Files
openchamber/packages/web/server/lib/git/service.js
T
Bohdan Triapitsyn c82aa7879b fix(git): honor standalone credential-helper permission
Complete the createGit option handling introduced in #3383.
2026-09-07 20:37:47 +03:00

5388 lines
174 KiB
JavaScript

import simpleGit from 'simple-git';
import fs from 'fs';
import path from 'path';
import os from 'os';
import { execFile } from 'child_process';
import { promisify } from 'util';
import { createRequire } from 'module';
const fsp = fs.promises;
const require = createRequire(import.meta.url);
const execFileAsync = promisify(execFile);
const gpgconfCandidates = ['gpgconf', '/opt/homebrew/bin/gpgconf', '/usr/local/bin/gpgconf'];
let resolvedGitBinary = null;
const worktreeBootstrapState = new Map();
const activeWorktreeBootstrapTasks = new Map();
const remoteExistenceCache = new Map();
const SIMPLE_GIT_SAFE_BINARY_PATTERN = /^([a-z]:)?([a-z0-9/.\\_~-]+)$/i;
const SIMPLE_GIT_UNSAFE_BINARY_WARNING = 'Invalid value supplied for custom binary, restricted characters must be removed';
const REMOTE_EXISTENCE_CACHE_TTL_MS = 30_000;
const gitIndexMutationQueues = new Map();
const WORKTREE_BOOTSTRAP_PENDING = 'pending';
const WORKTREE_BOOTSTRAP_READY = 'ready';
const WORKTREE_BOOTSTRAP_FAILED = 'failed';
const WORKTREE_BOOTSTRAP_PHASE_DIRECTORY_CREATED = 'directory-created';
const WORKTREE_BOOTSTRAP_PHASE_GIT_READY = 'git-ready';
const WORKTREE_BOOTSTRAP_PHASE_SETUP_READY = 'setup-ready';
const GIT_NULL_REF = '0'.repeat(40);
const WORKTREE_INDEX_LOCK_RETRY_DELAY_MS = 250;
const WORKTREE_INDEX_LOCK_STALE_DELAY_MS = 750;
const toBootstrapStateKey = (directory) => {
const normalized = normalizeDirectoryPath(directory);
if (!normalized) {
return '';
}
return path.resolve(normalized);
};
const createWorktreeBootstrapState = (status, phase, error = null) => ({
status,
phase,
error: typeof error === 'string' && error.trim().length > 0 ? error.trim() : null,
updatedAt: Date.now(),
});
const setWorktreeBootstrapState = (directory, status, phase, error = null) => {
const key = toBootstrapStateKey(directory);
if (!key) {
return null;
}
const state = createWorktreeBootstrapState(status, phase, error);
worktreeBootstrapState.set(key, state);
return state;
};
const clearWorktreeBootstrapState = (directory) => {
const key = toBootstrapStateKey(directory);
if (!key) {
return;
}
worktreeBootstrapState.delete(key);
};
const trackWorktreeBootstrapTask = (directory, task) => {
const key = toBootstrapStateKey(directory);
if (!key) {
return task;
}
activeWorktreeBootstrapTasks.set(key, task);
const clearTask = () => {
if (activeWorktreeBootstrapTasks.get(key) === task) {
activeWorktreeBootstrapTasks.delete(key);
}
};
void task.then(clearTask, clearTask);
return task;
};
const waitForActiveWorktreeBootstrap = async (directory) => {
const key = toBootstrapStateKey(directory);
if (!key) {
return;
}
while (true) {
const task = activeWorktreeBootstrapTasks.get(key);
if (!task) {
return;
}
await task.catch(() => undefined);
}
};
const isExecutableFile = (candidate) => {
if (typeof candidate !== 'string' || candidate.trim().length === 0) {
return false;
}
try {
const stat = fs.statSync(candidate);
if (!stat.isFile()) {
return false;
}
if (process.platform === 'win32') {
const ext = path.extname(candidate).toLowerCase();
return ext.length === 0 || ext === '.exe' || ext === '.cmd' || ext === '.bat' || ext === '.com';
}
fs.accessSync(candidate, fs.constants.X_OK);
return true;
} catch {
return false;
}
};
const normalizeGitExecutableCandidate = (candidate) => {
if (typeof candidate !== 'string') {
return null;
}
const trimmed = candidate.trim();
if (!trimmed) {
return null;
}
const ext = path.extname(trimmed).toLowerCase();
if (ext === '.cmd' || ext === '.bat' || ext === '.com') {
const exeCandidate = trimmed.slice(0, -ext.length) + '.exe';
if (isExecutableFile(exeCandidate)) {
return exeCandidate;
}
}
return trimmed;
};
const isSafeSimpleGitBinary = (candidate) => (
typeof candidate === 'string' && SIMPLE_GIT_SAFE_BINARY_PATTERN.test(candidate)
);
const createSimpleGit = (options) => {
if (!options?.unsafe?.allowUnsafeCustomBinary) {
return simpleGit(options);
}
const originalWarn = console.warn;
console.warn = (...args) => {
if (String(args[0] || '').includes(SIMPLE_GIT_UNSAFE_BINARY_WARNING)) {
return;
}
originalWarn(...args);
};
try {
return simpleGit(options);
} finally {
console.warn = originalWarn;
}
};
const listPathExecutableCandidates = (binaryName) => {
const currentPath = process.env.PATH || '';
const seen = new Set();
const matches = [];
for (const segment of currentPath.split(path.delimiter)) {
const dir = typeof segment === 'string' ? segment.trim() : '';
if (!dir || seen.has(dir)) {
continue;
}
seen.add(dir);
matches.push(path.join(dir, binaryName));
}
return matches;
};
const listWindowsGitInstallCandidates = () => {
const roots = [
process.env.ProgramFiles,
process.env['ProgramFiles(x86)'],
process.env.LocalAppData,
]
.map((value) => (typeof value === 'string' ? value.trim() : ''))
.filter(Boolean);
const candidates = [];
for (const root of roots) {
candidates.push(path.join(root, 'Git', 'cmd', 'git.exe'));
candidates.push(path.join(root, 'Git', 'bin', 'git.exe'));
candidates.push(path.join(root, 'Git', 'mingw64', 'bin', 'git.exe'));
candidates.push(path.join(root, 'Programs', 'Git', 'cmd', 'git.exe'));
candidates.push(path.join(root, 'Programs', 'Git', 'bin', 'git.exe'));
}
return candidates;
};
const resolveGitBinary = () => {
if (process.platform !== 'win32') {
return 'git';
}
if (resolvedGitBinary) {
return resolvedGitBinary;
}
const explicit = [process.env.GIT_BINARY, process.env.OPENCHAMBER_GIT_BINARY]
.map((value) => (typeof value === 'string' ? value.trim() : ''))
.filter(Boolean);
for (const candidate of explicit) {
const normalized = normalizeGitExecutableCandidate(candidate);
if (isExecutableFile(normalized)) {
resolvedGitBinary = normalized;
return resolvedGitBinary;
}
}
const pathDiscovered = [
...listPathExecutableCandidates('git.exe'),
...listPathExecutableCandidates('git'),
]
.map(normalizeGitExecutableCandidate)
.filter(Boolean)
.filter((candidate) => isExecutableFile(candidate));
if (pathDiscovered.length > 0) {
resolvedGitBinary = 'git';
return resolvedGitBinary;
}
const discovered = [
...listWindowsGitInstallCandidates(),
]
.map(normalizeGitExecutableCandidate)
.filter(Boolean)
.filter((candidate) => isExecutableFile(candidate));
const preferredExe = discovered.find((candidate) => isSafeSimpleGitBinary(candidate) && candidate.toLowerCase().endsWith('.exe'))
|| discovered.find((candidate) => candidate.toLowerCase().endsWith('.exe'));
resolvedGitBinary = preferredExe || discovered[0] || 'git.exe';
return resolvedGitBinary;
};
const getGitBinary = () => resolveGitBinary();
/**
* Escape an SSH key path for use in core.sshCommand.
* Handles Windows/Unix differences and prevents command injection.
*/
function escapeSshKeyPath(sshKeyPath) {
const isWindows = process.platform === 'win32';
// Normalize path first on Windows (convert backslashes to forward slashes)
let normalizedPath = sshKeyPath;
if (isWindows) {
normalizedPath = sshKeyPath.replace(/\\/g, '/');
}
// Validate: reject paths with characters that could enable injection
// Allow only alphanumeric, path separators, dots, dashes, underscores, spaces, and colons (for Windows drives)
// Note: backslash is not in this list since we've already normalized Windows paths
const dangerousChars = /[`$!"';&|<>(){}[\]*?#~]/;
if (dangerousChars.test(normalizedPath)) {
throw new Error(`SSH key path contains invalid characters: ${sshKeyPath}`);
}
if (isWindows) {
// On Windows, Git (via MSYS/MinGW) expects Unix-style paths
// Convert "C:/path" to "/c/path" for MSYS compatibility
let unixPath = normalizedPath;
const driveMatch = unixPath.match(/^([A-Za-z]):\//);
if (driveMatch) {
unixPath = `/${driveMatch[1].toLowerCase()}${unixPath.slice(2)}`;
}
// Use single quotes for the path (prevents shell interpretation)
return `'${unixPath}'`;
} else {
// On Unix, use single quotes and escape any single quotes in the path
// Single quotes prevent all shell interpretation except for single quotes themselves
const escaped = normalizedPath.replace(/'/g, "'\\''");
return `'${escaped}'`;
}
}
/**
* Build the SSH command string for git config
*/
function buildSshCommand(sshKeyPath) {
const escapedPath = escapeSshKeyPath(sshKeyPath);
return `ssh -i ${escapedPath} -o IdentitiesOnly=yes`;
}
const isSocketPath = async (candidate) => {
if (!candidate || typeof candidate !== 'string') {
return false;
}
try {
const stat = await fsp.stat(candidate);
return typeof stat.isSocket === 'function' && stat.isSocket();
} catch {
return false;
}
};
const resolveSshAuthSock = async () => {
const existing = (process.env.SSH_AUTH_SOCK || '').trim();
if (existing) {
return existing;
}
if (process.platform === 'win32') {
return null;
}
const gpgSock = path.join(os.homedir(), '.gnupg', 'S.gpg-agent.ssh');
if (await isSocketPath(gpgSock)) {
return gpgSock;
}
const runGpgconf = async (args) => {
for (const candidate of gpgconfCandidates) {
try {
const { stdout } = await execFileAsync(candidate, args);
return String(stdout || '');
} catch {
continue;
}
}
return '';
};
const candidate = (await runGpgconf(['--list-dirs', 'agent-ssh-socket'])).trim();
if (candidate && await isSocketPath(candidate)) {
return candidate;
}
if (candidate) {
await runGpgconf(['--launch', 'gpg-agent']);
const retried = (await runGpgconf(['--list-dirs', 'agent-ssh-socket'])).trim();
if (retried && await isSocketPath(retried)) {
return retried;
}
}
return null;
};
const buildGitEnv = async () => {
const env = { ...process.env };
if (!env.SSH_AUTH_SOCK || !env.SSH_AUTH_SOCK.trim()) {
const resolved = await resolveSshAuthSock();
if (resolved) {
env.SSH_AUTH_SOCK = resolved;
}
}
return env;
};
const createGit = async (directory, { allowUnsafeSshCommand = false, allowUnsafeCredentialHelper = false } = {}) => {
const env = await buildGitEnv();
const spawnOptions = { windowsHide: true };
const binary = getGitBinary();
const hasCustomBinary = typeof binary === 'string' && binary.trim() && binary !== 'git' && binary !== 'git.exe';
const unsafe = hasCustomBinary || allowUnsafeSshCommand || allowUnsafeCredentialHelper
? {
...(hasCustomBinary && { allowUnsafeCustomBinary: true }),
...(allowUnsafeSshCommand && { allowUnsafeSshCommand: true }),
...(allowUnsafeCredentialHelper && { allowUnsafeCredentialHelper: true }),
}
: undefined;
// Always pin simple-git to an explicit working directory. Omitting baseDir
// makes simple-git use process.cwd(), which breaks when the OpenChamber
// server was launched from a neutral directory (e.g. $HOME) and the opened
// project lives elsewhere — session/project discovery then sees spurious
// "not a git repository" errors and can abort enumeration.
const baseDir = normalizeDirectoryPath(directory);
if (typeof baseDir !== 'string' || !baseDir.trim()) {
throw new Error('Git directory is required');
}
return createSimpleGit({
baseDir,
env,
spawnOptions,
binary,
unsafe,
});
};
// Global config reads do not need a repository; use the home directory as a
// stable baseDir so we never accidentally inherit process.cwd().
const createGitForGlobalConfig = async () => createGit(os.homedir());
const normalizeDirectoryPath = (value) => {
if (typeof value !== 'string') {
return value;
}
const trimmed = value.trim();
if (!trimmed) {
return trimmed;
}
if (trimmed === '~') {
return os.homedir();
}
if (trimmed.startsWith('~/') || trimmed.startsWith('~\\')) {
return path.join(os.homedir(), trimmed.slice(2));
}
return trimmed;
};
const normalizePath = (value) => {
const normalized = normalizeDirectoryPath(value);
if (typeof normalized !== 'string') {
return normalized;
}
return normalized.replace(/\\/g, '/');
};
const getGitIndexMutationQueueKey = (directory) => {
const normalized = normalizeDirectoryPath(directory);
if (!normalized) {
return '';
}
return path.resolve(normalized);
};
const withGitIndexMutationQueue = async (directory, task) => {
let key = getGitIndexMutationQueueKey(directory);
try {
const directoryPath = normalizeDirectoryPath(directory);
if (directoryPath) {
const git = await createGit(directoryPath);
key = await resolveGitRepositoryRoot(directoryPath, git);
}
} catch {
// Fall back to the normalized directory key when the repo root is unavailable.
}
if (!key) {
return task();
}
const previous = gitIndexMutationQueues.get(key) || Promise.resolve();
const current = previous.catch(() => {}).then(task);
const tail = current.catch(() => {});
gitIndexMutationQueues.set(key, tail);
try {
return await current;
} finally {
if (gitIndexMutationQueues.get(key) === tail) {
gitIndexMutationQueues.delete(key);
}
}
};
const normalizeFilePathList = (paths) => Array.from(new Set(
(Array.isArray(paths) ? paths : [paths])
.map((value) => String(value || '').trim())
.filter(Boolean)
));
const validateRepositoryFilePaths = (directoryPath, filePaths) => {
const repoRoot = path.resolve(directoryPath);
for (const filePath of filePaths) {
const absoluteTarget = path.resolve(repoRoot, filePath);
if (!absoluteTarget.startsWith(repoRoot + path.sep) && absoluteTarget !== repoRoot) {
throw new Error(`Path is outside repository: ${filePath}`);
}
}
};
const toGitPath = (value) => value.replace(/\\/g, '/');
const isInsideOrSameDirectory = (root, target) => {
const relative = path.relative(root, target);
return relative === '' || (!relative.startsWith('..') && !path.isAbsolute(relative));
};
const resolveGitRepositoryRoot = async (directoryPath, git) => {
const topLevel = await git.raw(['rev-parse', '--show-toplevel']);
const normalizedTopLevel = topLevel.trim();
return path.isAbsolute(normalizedTopLevel)
? path.resolve(normalizedTopLevel)
: path.resolve(directoryPath, normalizedTopLevel);
};
const createRepositoryGitContext = async (directory) => {
const directoryPath = normalizeDirectoryPath(directory);
if (typeof directoryPath !== 'string' || !directoryPath.trim()) {
throw new Error('Git directory is required');
}
const directoryGit = await createGit(directoryPath);
const repoRoot = await resolveGitRepositoryRoot(directoryPath, directoryGit);
const git = path.resolve(directoryPath) === repoRoot ? directoryGit : await createGit(repoRoot);
return { directoryPath, directoryGit, repoRoot, git };
};
/**
* Absolute repository root for a directory anywhere inside it. Callers that key
* persisted data by repository need this so two directories in the same
* repository do not address different records.
*/
export async function getRepositoryRoot(directory) {
const { repoRoot } = await createRepositoryGitContext(directory);
return repoRoot;
}
const resolveGitInternalPath = async (repoRoot, git, gitPath) => {
const resolved = await git.raw(['rev-parse', '--git-path', gitPath]);
return path.resolve(repoRoot, resolved.trim());
};
const resolveGitFileContext = async (directoryPath, git, filePath, repoRootOverride = null) => {
const repoRoot = repoRootOverride || await resolveGitRepositoryRoot(directoryPath, git);
const candidates = Array.from(new Set([
path.resolve(repoRoot, filePath),
path.resolve(directoryPath, filePath),
]));
for (const absolutePath of candidates) {
if (!isInsideOrSameDirectory(repoRoot, absolutePath)) {
continue;
}
const repoPath = toGitPath(path.relative(repoRoot, absolutePath));
const worktreeEntry = await fsp.lstat(absolutePath).catch(() => null);
const isSymbolicLink = worktreeEntry?.isSymbolicLink() ?? false;
const existsInWorktree = worktreeEntry?.isFile() || isSymbolicLink;
const existsInIndex = await git.raw(['cat-file', '-e', `:${repoPath}`]).then(() => true).catch(() => false);
const existsInHead = await git.raw(['cat-file', '-e', `HEAD:${repoPath}`]).then(() => true).catch(() => false);
if (existsInWorktree || existsInIndex || existsInHead) {
return {
absolutePath,
repoPath,
repoRoot,
isSymbolicLink,
};
}
}
throw new Error('Invalid file path');
};
const cleanBranchName = (branch) => {
if (!branch) {
return branch;
}
if (branch.startsWith('refs/heads/')) {
return branch.substring('refs/heads/'.length);
}
if (branch.startsWith('heads/')) {
return branch.substring('heads/'.length);
}
if (branch.startsWith('refs/')) {
return branch.substring('refs/'.length);
}
return branch;
};
const OPENCODE_ADJECTIVES = [
'brave',
'calm',
'clever',
'cosmic',
'crisp',
'curious',
'eager',
'gentle',
'glowing',
'happy',
'hidden',
'jolly',
'kind',
'lucky',
'mighty',
'misty',
'neon',
'nimble',
'playful',
'proud',
'quick',
'quiet',
'shiny',
'silent',
'stellar',
'sunny',
'swift',
'tidy',
'witty',
];
const OPENCODE_NOUNS = [
'cabin',
'cactus',
'canyon',
'circuit',
'comet',
'eagle',
'engine',
'falcon',
'forest',
'garden',
'harbor',
'island',
'knight',
'lagoon',
'meadow',
'moon',
'mountain',
'nebula',
'orchid',
'otter',
'panda',
'pixel',
'planet',
'river',
'rocket',
'sailor',
'squid',
'star',
'tiger',
'wizard',
'wolf',
];
const OPENCODE_WORKTREE_ATTEMPTS = 26;
const getOpenCodeDataPath = () => {
const xdgDataHome = process.env.XDG_DATA_HOME || path.join(os.homedir(), '.local', 'share');
return path.join(xdgDataHome, 'opencode');
};
const pickRandom = (values) => values[Math.floor(Math.random() * values.length)];
const generateOpenCodeRandomName = () => `${pickRandom(OPENCODE_ADJECTIVES)}-${pickRandom(OPENCODE_NOUNS)}`;
const slugWorktreeName = (value) => {
return String(value || '')
.trim()
.replace(/^refs\/heads\//, '')
.replace(/^heads\//, '')
.replace(/\s+/g, '-')
.replace(/^\/+|\/+$/g, '')
.split('/').join('-')
.replace(/[^A-Za-z0-9._-]+/g, '-')
.replace(/-+/g, '-')
.replace(/^-+/, '')
.replace(/-+$/, '')
.slice(0, 80);
};
const parseWorktreePorcelain = (raw) => {
const lines = String(raw || '').split('\n').map((line) => line.trim());
const entries = [];
let current = null;
for (const line of lines) {
if (!line) {
if (current?.worktree) {
entries.push(current);
}
current = null;
continue;
}
if (line.startsWith('worktree ')) {
if (current?.worktree) {
entries.push(current);
}
current = { worktree: line.substring('worktree '.length).trim() };
continue;
}
if (!current) {
continue;
}
if (line.startsWith('HEAD ')) {
current.head = line.substring('HEAD '.length).trim();
continue;
}
if (line.startsWith('branch ')) {
const branchRef = line.substring('branch '.length).trim();
current.branchRef = branchRef;
current.branch = cleanBranchName(branchRef);
continue;
}
// git marks a worktree whose directory is gone (deleted outside git) as
// prunable; it stays registered until `git worktree prune`. The sidebar
// needs that distinction: the directory is missing, but the sessions that
// lived there are not.
if (line === 'prunable' || line.startsWith('prunable ')) {
current.prunable = true;
}
}
if (current?.worktree) {
entries.push(current);
}
return entries;
};
const canonicalPath = async (input) => {
const absolutePath = path.resolve(input);
const realPath = await fsp.realpath(absolutePath).catch(() => absolutePath);
const normalized = path.normalize(realPath);
return process.platform === 'win32' ? normalized.toLowerCase() : normalized;
};
const checkPathExists = async (targetPath) => {
try {
await fsp.stat(targetPath);
return true;
} catch {
return false;
}
};
const normalizeStartRef = (value) => {
const trimmed = String(value || '').trim();
if (!trimmed) {
return 'HEAD';
}
return trimmed;
};
function isValidCommitHash(hash) {
return typeof hash === 'string' && /^[0-9a-fA-F]{7,40}$/.test(hash);
}
const parseRemoteBranchRef = (value) => {
const trimmed = String(value || '').trim();
if (!trimmed) {
return null;
}
if (trimmed.startsWith('refs/remotes/')) {
const rest = trimmed.substring('refs/remotes/'.length);
const slashIndex = rest.indexOf('/');
if (slashIndex <= 0 || slashIndex === rest.length - 1) {
return null;
}
return {
remote: rest.slice(0, slashIndex),
branch: rest.slice(slashIndex + 1),
remoteRef: rest,
fullRef: `refs/remotes/${rest}`,
};
}
if (trimmed.startsWith('remotes/')) {
return parseRemoteBranchRef(`refs/${trimmed}`);
}
const slashIndex = trimmed.indexOf('/');
if (slashIndex <= 0 || slashIndex === trimmed.length - 1) {
return null;
}
return {
remote: trimmed.slice(0, slashIndex),
branch: trimmed.slice(slashIndex + 1),
remoteRef: trimmed,
fullRef: `refs/remotes/${trimmed}`,
};
};
const resolveRemoteBranchRef = async (primaryWorktree, value) => {
const raw = String(value || '').trim();
const parsed = parseRemoteBranchRef(raw);
if (!parsed) {
return null;
}
if (raw.startsWith('refs/remotes/') || raw.startsWith('remotes/')) {
return parsed;
}
const localRef = `refs/heads/${raw}`;
const localExists = await runGitCommand(primaryWorktree, ['show-ref', '--verify', '--quiet', localRef]);
if (localExists.success) {
return null;
}
return parsed;
};
const normalizeUpstreamTarget = (remote, branch) => {
const remoteName = String(remote || '').trim();
const branchName = String(branch || '').trim();
if (!remoteName || !branchName) {
return null;
}
return {
remote: remoteName,
branch: branchName,
full: `${remoteName}/${branchName}`,
};
};
const parseGitErrorText = (error) => {
const stderr = typeof error?.stderr === 'string' ? error.stderr : '';
const stdout = typeof error?.stdout === 'string' ? error.stdout : '';
const message = typeof error?.message === 'string' ? error.message : '';
// Some runtimes (notably Bun + simple-git GitError) surface the fatal text
// primarily via message/toString; keep String(error) as a last resort so
// "not a git repository" matching never misses and aborts callers.
const fallback = !message && error != null ? String(error) : '';
return [stderr, stdout, message, fallback]
.map((chunk) => String(chunk || '').trim())
.filter(Boolean)
.join('\n')
.trim();
};
const parseAheadBehindCounts = (value) => {
const [aheadRaw, behindRaw] = String(value || '').trim().split(/\s+/);
const ahead = parseInt(aheadRaw, 10);
const behind = parseInt(behindRaw, 10);
if (!Number.isFinite(ahead) || !Number.isFinite(behind)) {
return null;
}
return { ahead, behind };
};
const getRemoteExistenceCacheKey = (directory, remoteName) => {
const normalizedDirectory = normalizeDirectoryPath(directory) || '';
return `${path.resolve(normalizedDirectory)}\0${remoteName}`;
};
const hasRemote = async (git, directory, remoteName) => {
const remote = String(remoteName || '').trim();
if (!remote) {
return false;
}
const key = getRemoteExistenceCacheKey(directory, remote);
const cached = remoteExistenceCache.get(key);
if (cached && Date.now() - cached.checkedAt < REMOTE_EXISTENCE_CACHE_TTL_MS) {
return cached.exists;
}
const exists = await git
.raw(['remote', 'get-url', remote])
.then((value) => String(value || '').trim().length > 0)
.catch(() => false);
remoteExistenceCache.set(key, { exists, checkedAt: Date.now() });
return exists;
};
const buildRawGitOptions = (raw) => {
if (Array.isArray(raw)) {
return raw.map((value) => String(value || '').trim()).filter(Boolean);
}
if (!raw || typeof raw !== 'object') {
return [];
}
return Object.entries(raw).flatMap(([key, value]) => {
const option = String(key || '').trim();
if (!option || value === false) {
return [];
}
if (value === true || value == null) {
return [option];
}
return [option, String(value)];
});
};
const getRemoteBranchComparison = async (git, remoteName, branchName) => {
const remote = String(remoteName || '').trim();
const branch = String(branchName || '').trim();
if (!remote || !branch) {
return null;
}
const remoteRef = `refs/remotes/${remote}/${branch}`;
const exists = await git
.raw(['rev-parse', '--verify', remoteRef])
.then((value) => String(value || '').trim())
.catch(() => '');
if (!exists) {
return null;
}
const countsRaw = await git
.raw(['rev-list', '--left-right', '--count', `HEAD...${remoteRef}`])
.then((value) => String(value || '').trim())
.catch(() => '');
const counts = parseAheadBehindCounts(countsRaw);
if (!counts) {
return null;
}
return {
remote,
branch,
ahead: counts.ahead,
behind: counts.behind,
};
};
const isNotGitRepositoryError = (error) => {
const text = parseGitErrorText(error);
return /not a git repository/i.test(text);
};
// A directory that no longer exists (e.g. a worktree deleted while something
// was still polling its status) is an expected, benign condition — not a fault
// to scream about. simple-git throws "Cannot use simple-git on a directory that
// does not exist"; the underlying fs errors are ENOENT/ENOTDIR.
const isMissingDirectoryError = (error) => {
const code = error?.code;
if (code === 'ENOENT' || code === 'ENOTDIR') {
return true;
}
const text = parseGitErrorText(error);
return /directory that does not exist|does not exist|no such file or directory/i.test(text);
};
const runGitCommand = async (cwd, args) => {
try {
const { stdout, stderr } = await execFileAsync(getGitBinary(), args, {
cwd,
env: await buildGitEnv(),
windowsHide: true,
maxBuffer: 20 * 1024 * 1024,
});
return {
success: true,
exitCode: 0,
stdout: String(stdout || ''),
stderr: String(stderr || ''),
};
} catch (error) {
return {
success: false,
exitCode: typeof error?.code === 'number' ? error.code : 1,
stdout: String(error?.stdout || ''),
stderr: String(error?.stderr || ''),
message: parseGitErrorText(error),
};
}
};
const resolveGitCommitFilePath = async (repoRoot, hash, candidates) => {
for (const candidate of candidates) {
const [originalTreeResult, modifiedTreeResult] = await Promise.all([
runGitCommand(repoRoot, ['ls-tree', '--name-only', `${hash}^`, '--', candidate]),
runGitCommand(repoRoot, ['ls-tree', '--name-only', hash, '--', candidate]),
]);
if ((originalTreeResult.success && originalTreeResult.stdout.trim()) || (modifiedTreeResult.success && modifiedTreeResult.stdout.trim())) {
return candidate;
}
}
throw new Error('Invalid file path');
};
const runGitCommandOrThrow = async (cwd, args, fallbackMessage) => {
const result = await runGitCommand(cwd, args);
if (!result.success) {
throw new Error(result.message || fallbackMessage || 'Git command failed');
}
return result;
};
const wait = (milliseconds) => new Promise((resolve) => setTimeout(resolve, milliseconds));
const isIndexLockError = (result) => {
const message = [result?.message, result?.stderr, result?.stdout].filter(Boolean).join('\n');
return /index\.lock['"]?: File exists|another git process seems to be running/i.test(message);
};
const getWorktreeIndexLockPath = async (directory) => {
const result = await runGitCommand(directory, ['rev-parse', '--git-path', 'index.lock']);
if (!result.success) {
return null;
}
const value = String(result.stdout || '').trim();
return value ? (path.isAbsolute(value) ? value : path.resolve(directory, value)) : null;
};
const getFileIdentity = async (filePath) => {
try {
const stat = await fsp.stat(filePath);
return `${stat.dev}:${stat.ino}:${stat.size}:${stat.mtimeMs}`;
} catch (error) {
if (error?.code === 'ENOENT') {
return null;
}
throw error;
}
};
// OpenChamber places managed worktrees under a deep data-dir path
// (`<XDG_DATA_HOME>/opencode/worktree/<40-char project id>/<name>/`). On
// Windows that prefix plus a deeply nested repo file routinely exceeds
// MAX_PATH (260). Git can check those paths out when core.longpaths is
// enabled; without it, `git reset --hard` during bootstrap fails with
// "Filename too long" and leaves a half-populated worktree (issue #2746).
const WORKTREE_POPULATE_RESET_ARGS = ['-c', 'core.longpaths=true', 'reset', '--hard'];
const isFilenameTooLongError = (message) => /file ?name too long/i.test(String(message || ''));
const formatWorktreePopulateError = (message) => {
const text = String(message || '').trim() || 'Failed to populate worktree';
if (!isFilenameTooLongError(text)) {
return text;
}
return [
text,
'The worktree checkout path exceeds this system\'s path-length limit.',
'OpenChamber enables Git `core.longpaths` for worktree population; if this still fails on Windows, enable OS long paths (LongPathsEnabled) or open the repository from a shorter absolute path.',
].join('\n');
};
export const ensureWorktreeLongpaths = async (directory) => {
const current = await runGitCommand(directory, ['config', '--get', 'core.longpaths']);
if (String(current.stdout || '').trim().toLowerCase() === 'true') {
return;
}
// Local config is shared across linked worktrees via the common git dir, so
// subsequent OpenChamber and CLI git operations in this repo also get long
// path support. Failures here are non-fatal: populate still passes
// `-c core.longpaths=true` on reset.
await runGitCommand(directory, ['config', 'core.longpaths', 'true']);
};
export const populateWorktreeWithLockRecovery = async (directory) => {
await ensureWorktreeLongpaths(directory);
let result = await runGitCommand(directory, WORKTREE_POPULATE_RESET_ARGS);
if (result.success) {
return;
}
if (!isIndexLockError(result)) {
throw new Error(formatWorktreePopulateError(result.message));
}
await wait(WORKTREE_INDEX_LOCK_RETRY_DELAY_MS);
result = await runGitCommand(directory, WORKTREE_POPULATE_RESET_ARGS);
if (result.success) {
return;
}
if (!isIndexLockError(result)) {
throw new Error(formatWorktreePopulateError(result.message));
}
const lockPath = await getWorktreeIndexLockPath(directory);
const identity = lockPath ? await getFileIdentity(lockPath) : null;
await wait(WORKTREE_INDEX_LOCK_STALE_DELAY_MS);
result = await runGitCommand(directory, WORKTREE_POPULATE_RESET_ARGS);
if (result.success) {
return;
}
if (!isIndexLockError(result) || !lockPath || !identity || await getFileIdentity(lockPath) !== identity) {
throw new Error(formatWorktreePopulateError(result.message));
}
await fsp.unlink(lockPath).catch((error) => {
if (error?.code !== 'ENOENT') {
throw error;
}
});
const finalResult = await runGitCommand(directory, WORKTREE_POPULATE_RESET_ARGS);
if (!finalResult.success) {
throw new Error(formatWorktreePopulateError(finalResult.message || 'Failed to populate worktree'));
}
};
// Worktrees are created with `git worktree add --no-checkout` and populated
// with `git reset --hard`, neither of which runs git's post-checkout hook —
// git only runs it for checkouts, clone, and worktree add *without*
// --no-checkout. Invoke the hook explicitly after population to restore git's
// checkout semantics: git passes the previous HEAD (null ref for a brand-new
// worktree), the new HEAD, and flag 1 for a branch checkout, and runs the hook
// from the worktree top-level.
const runPostCheckoutHook = async (directory) => {
let hookDirectory = null;
try {
const result = await runGitCommand(directory, ['rev-parse', '--git-path', 'hooks']);
if (!result.success) return;
hookDirectory = normalizeDirectoryPath(String(result.stdout || '').trim());
} catch {
return;
}
if (!hookDirectory) return;
const hookPath = path.join(hookDirectory, 'post-checkout');
try {
const stat = await fsp.stat(hookPath);
if (!stat.isFile()) return;
if (process.platform !== 'win32') {
await fsp.access(hookPath, fs.constants.X_OK);
}
} catch {
// Missing or non-executable hooks are skipped, matching git.
return;
}
const [headResult, gitDirResult] = await Promise.all([
runGitCommand(directory, ['rev-parse', 'HEAD']),
runGitCommand(directory, ['rev-parse', '--absolute-git-dir']),
]);
if (!headResult.success || !gitDirResult.success) return;
const head = String(headResult.stdout || '').trim();
const gitDir = String(gitDirResult.stdout || '').trim();
if (!head || !gitDir) return;
try {
await execFileAsync(hookPath, [GIT_NULL_REF, head, '1'], {
cwd: directory,
env: {
...(await buildGitEnv()),
GIT_DIR: gitDir,
GIT_WORK_TREE: path.resolve(directory),
},
windowsHide: true,
});
} catch (error) {
// A failing hook must not fail worktree creation or session bootstrap:
// warn and continue.
console.warn(`[GitService] post-checkout hook failed in worktree ${directory}: ${error instanceof Error ? error.message : String(error)}`);
}
};
const derivePrimaryWorktreeRootFromGitDir = (gitDir) => {
const normalized = normalizePath(gitDir);
if (!normalized) return null;
if (normalized.endsWith('/.git')) {
return normalized.slice(0, -'/.git'.length) || null;
}
const marker = '/.git/worktrees/';
const markerIndex = normalized.indexOf(marker);
if (markerIndex > 0) {
return normalized.slice(0, markerIndex) || null;
}
return null;
};
export async function resolvePrimaryWorktreeRoot(directory) {
const result = await runGitCommand(directory, ['rev-parse', '--absolute-git-dir', '--git-common-dir']);
if (!result.success) {
return { root: directory };
}
const lines = String(result.stdout || '')
.split('\n')
.map((line) => line.trim())
.filter(Boolean);
const absoluteGitDir = normalizePath(lines[0] || '');
const rootFromAbsoluteGitDir = derivePrimaryWorktreeRootFromGitDir(absoluteGitDir);
if (rootFromAbsoluteGitDir) {
return { root: rootFromAbsoluteGitDir };
}
const rawCommonDir = normalizePath(lines[1] || '');
if (rawCommonDir) {
const commonDir = path.isAbsolute(rawCommonDir)
? rawCommonDir
: path.resolve(directory, rawCommonDir);
const rootFromCommonDir = derivePrimaryWorktreeRootFromGitDir(commonDir);
if (rootFromCommonDir) {
return { root: rootFromCommonDir };
}
}
return { root: directory };
}
export async function resolveWorktreeTopLevel(directory) {
const result = await runGitCommand(directory, ['rev-parse', '--show-toplevel']);
if (!result.success) {
return { root: directory };
}
const root = normalizePath(String(result.stdout || '').trim());
return { root: root || directory };
}
export async function getCommitSummaries(directory, shas) {
const commits = Array.isArray(shas)
? shas.map((sha) => String(sha || '').trim()).filter(Boolean)
: [];
if (commits.length === 0) {
return { commits: [] };
}
if (commits.some((sha) => !/^[0-9a-fA-F]{4,64}$/.test(sha))) {
throw new Error('Invalid commit SHA');
}
const result = await runGitCommandOrThrow(
directory,
['show', '-s', '--format=%H%x09%h%x09%s', ...commits, '--'],
'Failed to get commit summaries'
);
const parsed = String(result.stdout || '')
.split(/\r?\n/)
.filter(Boolean)
.map((line) => {
const [sha, short, subject] = line.split('\t');
return { sha: sha || '', short: short || '', subject: subject || '' };
})
.filter((entry) => entry.sha && entry.short);
return { commits: parsed };
}
const trimGitLines = (value) => String(value || '')
.split(/\r?\n/)
.map((line) => line.trim())
.filter(Boolean);
const gitStdoutText = (result) => String(result?.stdout || '').trim();
const gitStderrText = (result) => String(result?.stderr || result?.message || '').trim();
const normalizeIntegrateBranch = (value, fieldName) => {
const branch = String(value || '').trim();
if (!branch) {
throw new Error(`${fieldName} is required`);
}
if (branch.startsWith('-') || branch.includes('\0')) {
throw new Error(`Invalid ${fieldName}`);
}
return branch;
};
const normalizeIntegrateSha = (value) => {
const sha = String(value || '').trim();
if (!/^[0-9a-fA-F]{4,64}$/.test(sha)) {
throw new Error('Invalid commit SHA');
}
return sha;
};
const normalizeIntegratePath = (value, fieldName) => {
const target = normalizeDirectoryPath(value);
if (!target) {
throw new Error(`${fieldName} is required`);
}
return path.resolve(target);
};
const runGitOk = (result) => Boolean(result?.success);
const listGitWorktreesForIntegrate = async (repoRoot) => {
const out = await runGitCommandOrThrow(repoRoot, ['worktree', 'list', '--porcelain'], 'Failed to list git worktrees');
const entries = [];
let current = null;
for (const line of String(out.stdout || '').split(/\r?\n/)) {
if (line.startsWith('worktree ')) {
if (current) entries.push(current);
current = { path: line.slice('worktree '.length).trim(), branchRef: null };
continue;
}
if (!current) continue;
if (line.startsWith('branch ')) {
current.branchRef = line.slice('branch '.length).trim();
}
}
if (current) entries.push(current);
return entries.filter((entry) => Boolean(entry.path));
};
const ensureLocalIntegrateBranch = async (repoRoot, candidate) => {
const raw = normalizeIntegrateBranch(candidate, 'targetBranch');
if (raw === 'HEAD') {
return 'HEAD';
}
const hasLocal = await runGitCommand(repoRoot, ['show-ref', '--verify', '--quiet', `refs/heads/${raw}`]);
if (runGitOk(hasLocal)) {
return raw;
}
if (raw.startsWith('remotes/')) {
const remoteRef = raw.slice('remotes/'.length);
const parts = remoteRef.split('/');
const remote = normalizeIntegrateBranch(parts[0] || 'origin', 'remote');
const name = normalizeIntegrateBranch(parts.slice(1).join('/'), 'branch');
await runGitCommandOrThrow(repoRoot, ['branch', '--track', name, `${remote}/${name}`], 'Failed to track remote branch');
return name;
}
const remoteCheck = await runGitCommand(repoRoot, ['show-ref', '--verify', '--quiet', `refs/remotes/origin/${raw}`]);
if (runGitOk(remoteCheck)) {
await runGitCommandOrThrow(repoRoot, ['branch', '--track', raw, `origin/${raw}`], 'Failed to track remote branch');
return raw;
}
return raw;
};
export async function computeIntegratePlan(input = {}) {
const repoRoot = normalizeIntegratePath(input.repoRoot, 'repoRoot');
const sourceBranch = normalizeIntegrateBranch(input.sourceBranch, 'sourceBranch');
const targetBranchRaw = normalizeIntegrateBranch(input.targetBranch, 'targetBranch');
if (sourceBranch === 'HEAD' || targetBranchRaw === 'HEAD') {
return { repoRoot, sourceBranch, targetBranch: targetBranchRaw, commits: [] };
}
const targetBranch = await ensureLocalIntegrateBranch(repoRoot, targetBranchRaw);
const cherry = await runGitCommandOrThrow(repoRoot, ['cherry', targetBranch, sourceBranch], 'Failed to compute cherry commits');
const plus = new Set();
for (const line of trimGitLines(cherry.stdout)) {
const match = line.match(/^\+\s+([0-9a-f]{7,40})\b/i);
if (match) {
plus.add(match[1]);
}
}
const revList = await runGitCommandOrThrow(repoRoot, ['rev-list', '--reverse', `${targetBranch}..${sourceBranch}`], 'Failed to list commits');
const commits = trimGitLines(revList.stdout).filter((sha) => plus.has(sha));
return { repoRoot, sourceBranch, targetBranch, commits };
}
const createIntegrateTempWorktree = async (repoRoot, targetBranch) => {
const tmpParent = path.join(os.homedir(), '.config', 'openchamber', 'tmp');
await fsp.mkdir(tmpParent, { recursive: true });
const tmpDir = await fsp.mkdtemp(path.join(tmpParent, 'oc-integrate-'));
try {
await runGitCommandOrThrow(repoRoot, ['worktree', 'add', '--force', tmpDir, targetBranch], 'Failed to create temp worktree');
return tmpDir;
} catch (error) {
await fsp.rm(tmpDir, { recursive: true, force: true }).catch(() => undefined);
throw error;
}
};
const removeIntegrateTempWorktree = async (repoRoot, tmpDir) => {
await runGitCommand(repoRoot, ['worktree', 'remove', '--force', tmpDir]).catch(() => undefined);
await runGitCommand(repoRoot, ['worktree', 'prune']).catch(() => undefined);
};
const maybeFastForwardIntegrateUpstream = async (tmpDir) => {
const upstream = await runGitCommand(tmpDir, ['rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{u}']);
const upstreamRef = gitStdoutText(upstream);
if (!upstreamRef) {
return;
}
await runGitCommand(tmpDir, ['fetch']);
const ff = await runGitCommand(tmpDir, ['merge', '--ff-only', upstreamRef]);
if (!runGitOk(ff)) {
throw new Error(gitStderrText(ff) || 'Fast-forward failed');
}
};
export async function getIntegrateConflictDetails(tmpDir) {
const target = normalizeIntegratePath(tmpDir, 'tempWorktreePath');
const [status, unmerged, diff, meta, patch] = await Promise.all([
runGitCommand(target, ['status', '--porcelain']),
runGitCommand(target, ['diff', '--name-only', '--diff-filter=U']),
runGitCommand(target, ['diff']),
runGitCommand(target, ['show', '--no-patch', '--pretty=fuller', 'CHERRY_PICK_HEAD']),
runGitCommand(target, ['show', 'CHERRY_PICK_HEAD']),
]);
return {
statusPorcelain: String(status.stdout || ''),
unmergedFiles: trimGitLines(unmerged.stdout),
diff: String(diff.stdout || diff.stderr || ''),
currentPatchMeta: String(meta.stdout || meta.stderr || ''),
currentPatch: String(patch.stdout || patch.stderr || ''),
};
}
export async function isCherryPickInProgress(tmpDir) {
const target = normalizeIntegratePath(tmpDir, 'tempWorktreePath');
const head = await runGitCommand(target, ['rev-parse', '--verify', '--quiet', 'CHERRY_PICK_HEAD']);
return { inProgress: runGitOk(head) };
}
const computeCleanIntegrateWorktreesToSync = async ({ repoRoot, targetBranch, excludePaths }) => {
const targetRef = `refs/heads/${targetBranch}`;
const exclude = new Set(excludePaths);
const entries = await listGitWorktreesForIntegrate(repoRoot);
const candidates = entries
.filter((entry) => entry.branchRef === targetRef)
.map((entry) => entry.path)
.filter((candidate) => candidate && !exclude.has(candidate));
const clean = [];
for (const candidate of candidates) {
const status = await runGitCommand(candidate, ['status', '--porcelain']);
if (!gitStdoutText(status)) {
clean.push(candidate);
}
}
return clean;
};
const syncCleanIntegrateTargetWorktrees = async (paths) => {
for (const target of paths) {
await runGitCommand(target, ['reset', '--hard']).catch(() => undefined);
}
};
const normalizeIntegratePlan = async (plan = {}) => {
const repoRoot = normalizeIntegratePath(plan.repoRoot, 'repoRoot');
const sourceBranch = normalizeIntegrateBranch(plan.sourceBranch, 'sourceBranch');
const targetBranch = normalizeIntegrateBranch(plan.targetBranch, 'targetBranch');
const commits = Array.isArray(plan.commits) ? plan.commits.map(normalizeIntegrateSha) : [];
return { repoRoot, sourceBranch, targetBranch, commits };
};
const normalizeIntegrateState = (state = {}) => ({
repoRoot: normalizeIntegratePath(state.repoRoot, 'repoRoot'),
tempWorktreePath: normalizeIntegratePath(state.tempWorktreePath, 'tempWorktreePath'),
sourceBranch: normalizeIntegrateBranch(state.sourceBranch, 'sourceBranch'),
targetBranch: normalizeIntegrateBranch(state.targetBranch, 'targetBranch'),
cleanTargetWorktrees: Array.isArray(state.cleanTargetWorktrees)
? state.cleanTargetWorktrees.map((entry) => normalizeIntegratePath(entry, 'cleanTargetWorktree'))
: [],
remainingCommits: Array.isArray(state.remainingCommits) ? state.remainingCommits.map(normalizeIntegrateSha) : [],
currentCommit: normalizeIntegrateSha(state.currentCommit),
});
export async function integrateWorktreeCommits(inputPlan = {}) {
const plan = await normalizeIntegratePlan(inputPlan);
if (plan.commits.length === 0) {
return { kind: 'noop', reason: 'No commits to move' };
}
const tmpDir = await createIntegrateTempWorktree(plan.repoRoot, plan.targetBranch);
let cleanTargetWorktrees = [];
let remaining = [];
try {
await maybeFastForwardIntegrateUpstream(tmpDir);
const clean = await runGitCommand(tmpDir, ['status', '--porcelain']);
if (gitStdoutText(clean)) {
throw new Error('Target branch has local changes; abort integration and retry');
}
cleanTargetWorktrees = await computeCleanIntegrateWorktreesToSync({
repoRoot: plan.repoRoot,
targetBranch: plan.targetBranch,
excludePaths: [tmpDir],
}).catch(() => []);
remaining = [...plan.commits];
while (remaining.length > 0) {
const sha = remaining[0];
const pick = await runGitCommand(tmpDir, ['cherry-pick', sha]);
if (runGitOk(pick)) {
remaining.shift();
continue;
}
const unmerged = await runGitCommand(tmpDir, ['diff', '--name-only', '--diff-filter=U']);
const unmergedFiles = trimGitLines(unmerged.stdout);
if (unmergedFiles.length > 0) {
const details = await getIntegrateConflictDetails(tmpDir);
return {
kind: 'conflict',
state: {
repoRoot: plan.repoRoot,
tempWorktreePath: tmpDir,
sourceBranch: plan.sourceBranch,
targetBranch: plan.targetBranch,
cleanTargetWorktrees,
remainingCommits: remaining,
currentCommit: sha,
},
details,
};
}
throw new Error(gitStderrText(pick) || 'Cherry-pick failed');
}
await removeIntegrateTempWorktree(plan.repoRoot, tmpDir);
await syncCleanIntegrateTargetWorktrees(cleanTargetWorktrees).catch(() => undefined);
return { kind: 'success', moved: plan.commits.length };
} catch (error) {
await removeIntegrateTempWorktree(plan.repoRoot, tmpDir).catch(() => undefined);
throw error;
}
}
export async function abortIntegrate(stateInput = {}) {
const state = normalizeIntegrateState(stateInput);
await runGitCommand(state.tempWorktreePath, ['cherry-pick', '--abort']).catch(() => undefined);
await removeIntegrateTempWorktree(state.repoRoot, state.tempWorktreePath);
return { success: true };
}
export async function continueIntegrate(stateInput = {}) {
const state = normalizeIntegrateState(stateInput);
const cont = await runGitCommand(state.tempWorktreePath, ['cherry-pick', '--continue']);
if (!runGitOk(cont)) {
const unmerged = await runGitCommand(state.tempWorktreePath, ['diff', '--name-only', '--diff-filter=U']);
if (trimGitLines(unmerged.stdout).length > 0) {
const details = await getIntegrateConflictDetails(state.tempWorktreePath);
return { kind: 'conflict', state, details };
}
throw new Error(gitStderrText(cont) || 'Cherry-pick continue failed');
}
const remaining = [...state.remainingCommits];
if (remaining.length > 0 && remaining[0] === state.currentCommit) {
remaining.shift();
}
const still = [...remaining];
while (still.length > 0) {
const sha = still[0];
const pick = await runGitCommand(state.tempWorktreePath, ['cherry-pick', sha]);
if (runGitOk(pick)) {
still.shift();
continue;
}
const unmerged = await runGitCommand(state.tempWorktreePath, ['diff', '--name-only', '--diff-filter=U']);
if (trimGitLines(unmerged.stdout).length > 0) {
const details = await getIntegrateConflictDetails(state.tempWorktreePath);
return {
kind: 'conflict',
state: {
...state,
remainingCommits: still,
currentCommit: sha,
},
details,
};
}
throw new Error(gitStderrText(pick) || 'Cherry-pick failed');
}
await removeIntegrateTempWorktree(state.repoRoot, state.tempWorktreePath);
await syncCleanIntegrateTargetWorktrees(state.cleanTargetWorktrees).catch(() => undefined);
return { kind: 'success', moved: state.remainingCommits.length };
}
const ensureOpenCodeProjectId = async (primaryWorktree) => {
const gitDir = path.join(primaryWorktree, '.git');
const idFile = path.join(gitDir, 'opencode');
const existing = await fsp.readFile(idFile, 'utf8').then((value) => value.trim()).catch(() => '');
if (existing) {
return existing;
}
const rootsResult = await runGitCommandOrThrow(
primaryWorktree,
['rev-list', '--max-parents=0', '--all'],
'Failed to resolve repository roots'
);
const roots = rootsResult.stdout
.split('\n')
.map((line) => line.trim())
.filter(Boolean)
.sort((a, b) => a.localeCompare(b));
const projectId = roots[0] || '';
if (!projectId) {
throw new Error('Failed to derive OpenCode project ID');
}
await fsp.mkdir(gitDir, { recursive: true }).catch(() => undefined);
await fsp.writeFile(idFile, projectId, 'utf8').catch(() => undefined);
return projectId;
};
const resolveWorktreeProjectContext = async (directory) => {
const directoryPath = normalizeDirectoryPath(directory);
if (!directoryPath) {
throw new Error('Directory is required');
}
const topResult = await runGitCommandOrThrow(
directoryPath,
['rev-parse', '--show-toplevel'],
'Failed to resolve git top-level directory'
);
const sandbox = path.resolve(directoryPath, topResult.stdout.trim());
const commonResult = await runGitCommandOrThrow(
sandbox,
['rev-parse', '--git-common-dir'],
'Failed to resolve git common directory'
);
const commonDir = path.resolve(sandbox, commonResult.stdout.trim());
const primaryWorktree = path.dirname(commonDir);
const projectID = await ensureOpenCodeProjectId(primaryWorktree);
const worktreeRoot = path.join(getOpenCodeDataPath(), 'worktree', projectID);
return {
projectID,
sandbox,
primaryWorktree,
worktreeRoot,
};
};
const listWorktreeEntries = async (directory) => {
const rawResult = await runGitCommandOrThrow(
directory,
['worktree', 'list', '--porcelain'],
'Failed to list git worktrees'
);
return parseWorktreePorcelain(rawResult.stdout);
};
const resolveWorktreeNameCandidates = (baseName) => {
const normalizedBase = slugWorktreeName(baseName || '');
if (!normalizedBase) {
return Array.from({ length: OPENCODE_WORKTREE_ATTEMPTS }, () => generateOpenCodeRandomName());
}
return Array.from({ length: OPENCODE_WORKTREE_ATTEMPTS }, (_, index) => {
if (index === 0) {
return normalizedBase;
}
return `${normalizedBase}-${generateOpenCodeRandomName()}`;
});
};
const resolveCandidateDirectory = async (worktreeRoot, preferredName, explicitBranchName, primaryWorktree) => {
const candidates = resolveWorktreeNameCandidates(preferredName);
for (const name of candidates) {
const directory = path.join(worktreeRoot, name);
if (await checkPathExists(directory)) {
continue;
}
if (explicitBranchName) {
return { name, directory, branch: explicitBranchName };
}
const branch = `openchamber/${name}`;
const branchRef = `refs/heads/${branch}`;
const branchExists = await runGitCommand(primaryWorktree, ['show-ref', '--verify', '--quiet', branchRef]);
if (branchExists.success) {
continue;
}
return { name, directory, branch };
}
throw new Error('Failed to generate a unique worktree name');
};
const resolveBranchForExistingMode = async (primaryWorktree, existingBranch, preferredBranchName) => {
const requested = String(existingBranch || '').trim();
if (!requested) {
throw new Error('existingBranch is required in existing mode');
}
const normalizedLocal = cleanBranchName(requested);
const localRef = `refs/heads/${normalizedLocal}`;
const localExists = await runGitCommand(primaryWorktree, ['show-ref', '--verify', '--quiet', localRef]);
if (localExists.success) {
return {
localBranch: normalizedLocal,
checkoutRef: normalizedLocal,
createLocalBranch: false,
remoteRef: null,
};
}
const remoteRef = parseRemoteBranchRef(requested);
if (!remoteRef) {
throw new Error(`Branch not found: ${requested}`);
}
const remoteExists = await runGitCommand(primaryWorktree, ['show-ref', '--verify', '--quiet', remoteRef.fullRef]);
if (!remoteExists.success) {
await fetchRemoteBranchRef(primaryWorktree, remoteRef.remote, remoteRef.branch).catch(() => undefined);
const recheck = await runGitCommand(primaryWorktree, ['show-ref', '--verify', '--quiet', remoteRef.fullRef]);
if (!recheck.success) {
throw new Error(`Remote branch not found: ${requested}`);
}
}
const localBranch = cleanBranchName(preferredBranchName || remoteRef.branch || requested);
if (!localBranch) {
throw new Error('Failed to resolve local branch name for existing branch worktree');
}
return {
localBranch,
checkoutRef: remoteRef.remoteRef,
createLocalBranch: true,
remoteRef,
};
};
const findBranchInUse = async (primaryWorktree, localBranchName) => {
if (!localBranchName) {
return null;
}
const entries = await listWorktreeEntries(primaryWorktree);
const targetRef = `refs/heads/${localBranchName}`;
const targetClean = cleanBranchName(targetRef);
return entries.find((entry) => {
const entryRef = String(entry.branchRef || '').trim();
const entryClean = cleanBranchName(entryRef || entry.branch || '');
return entryRef === targetRef || entryClean === targetClean;
}) || null;
};
const runWorktreeStartCommand = async (directory, command) => {
const text = String(command || '').trim();
if (!text) {
return { success: true };
}
if (process.platform === 'win32') {
const result = await execFileAsync('cmd', ['/c', text], {
cwd: directory,
env: await buildGitEnv(),
windowsHide: true,
maxBuffer: 20 * 1024 * 1024,
}).then(({ stdout, stderr }) => ({ success: true, stdout, stderr })).catch((error) => ({
success: false,
stdout: error?.stdout,
stderr: error?.stderr,
message: parseGitErrorText(error),
}));
return result;
}
const result = await execFileAsync('bash', ['-lc', text], {
cwd: directory,
env: await buildGitEnv(),
maxBuffer: 20 * 1024 * 1024,
}).then(({ stdout, stderr }) => ({ success: true, stdout, stderr })).catch((error) => ({
success: false,
stdout: error?.stdout,
stderr: error?.stderr,
message: parseGitErrorText(error),
}));
return result;
};
const loadProjectStartCommand = async (projectID) => {
const storagePath = path.join(getOpenCodeDataPath(), 'storage', 'project', `${projectID}.json`);
try {
const raw = await fsp.readFile(storagePath, 'utf8');
const parsed = JSON.parse(raw);
const start = typeof parsed?.commands?.start === 'string' ? parsed.commands.start.trim() : '';
return start || '';
} catch {
return '';
}
};
// OpenCode owns its own project/sandbox registry. It records a worktree as a
// sandbox itself when an instance boots for that directory, and filters entries
// whose directory no longer exists when reading them back. OpenChamber used to
// write that state directly into OpenCode's storage JSON and SQLite database,
// behind the back of the running process: the row changed but the server was
// never told, so a worktree created while OpenCode was running stayed unknown
// to it until a restart. Registration is not ours to perform.
const isAttachedGitWorktreeDirectory = async (directory) => {
try {
const result = await runGitCommand(directory, ['rev-parse', '--is-inside-work-tree']);
return result.success && String(result.stdout || '').trim() === 'true';
} catch {
return false;
}
};
const cleanupFailedFastWorktreeCreate = async (context, candidate) => {
const candidateDirectory = path.resolve(candidate.directory);
const worktreeRoot = path.resolve(context.worktreeRoot);
const isInsideWorktreeRoot = isInsideOrSameDirectory(worktreeRoot, candidateDirectory) && candidateDirectory !== worktreeRoot;
const isAttached = await isAttachedGitWorktreeDirectory(candidateDirectory);
if (!isInsideWorktreeRoot || isAttached) {
return;
}
try {
const entries = await fsp.readdir(candidateDirectory);
if (entries.length === 0) {
await fsp.rmdir(candidateDirectory);
}
} catch (error) {
if (!['ENOENT', 'ENOTEMPTY', 'EEXIST'].includes(error?.code)) {
console.warn('Failed to clean up empty worktree directory after creation failure:', error instanceof Error ? error.message : String(error));
}
}
};
const runWorktreeStartScripts = async (directory, projectID, startCommand) => {
const projectStart = await loadProjectStartCommand(projectID);
if (projectStart) {
const projectResult = await runWorktreeStartCommand(directory, projectStart);
if (!projectResult.success) {
console.warn('Worktree project start command failed:', projectResult.message || projectResult.stderr || projectResult.stdout);
return;
}
}
const extraCommand = String(startCommand || '').trim();
if (!extraCommand) {
return;
}
const extraResult = await runWorktreeStartCommand(directory, extraCommand);
if (!extraResult.success) {
console.warn('Worktree start command failed:', extraResult.message || extraResult.stderr || extraResult.stdout);
}
};
const queueWorktreeBootstrap = (args) => {
const {
directory,
projectID,
primaryWorktree,
localBranch,
setUpstream,
upstreamRemote,
upstreamBranch,
ensureRemoteName,
ensureRemoteUrl,
startCommand,
} = args;
const task = new Promise((resolve) => setTimeout(resolve, 0))
.then(async () => {
await populateWorktreeWithLockRecovery(directory);
await runPostCheckoutHook(directory);
if (setUpstream) {
await applyUpstreamConfiguration({
primaryWorktree,
worktreeDirectory: directory,
localBranch,
setUpstream,
upstreamRemote,
upstreamBranch,
ensureRemoteName,
ensureRemoteUrl,
}).catch((error) => {
console.warn('Worktree upstream configuration failed:', error instanceof Error ? error.message : String(error));
});
}
setWorktreeBootstrapState(
directory,
WORKTREE_BOOTSTRAP_PENDING,
WORKTREE_BOOTSTRAP_PHASE_GIT_READY
);
await runWorktreeStartScripts(directory, projectID, startCommand).catch((error) => {
console.warn('Worktree start script task failed:', error instanceof Error ? error.message : String(error));
});
setWorktreeBootstrapState(
directory,
WORKTREE_BOOTSTRAP_READY,
WORKTREE_BOOTSTRAP_PHASE_SETUP_READY
);
})
.catch((error) => {
setWorktreeBootstrapState(
directory,
WORKTREE_BOOTSTRAP_FAILED,
WORKTREE_BOOTSTRAP_PHASE_DIRECTORY_CREATED,
error instanceof Error ? error.message : String(error)
);
console.warn('Worktree bootstrap task failed:', error instanceof Error ? error.message : String(error));
});
trackWorktreeBootstrapTask(directory, task);
};
const ensureRemoteWithUrl = async (primaryWorktree, remoteName, remoteUrl) => {
const name = String(remoteName || '').trim();
const url = String(remoteUrl || '').trim();
if (!name || !url) {
return;
}
const getUrl = await runGitCommand(primaryWorktree, ['remote', 'get-url', name]);
if (getUrl.success) {
const currentUrl = String(getUrl.stdout || '').trim();
if (currentUrl !== url) {
await runGitCommandOrThrow(primaryWorktree, ['remote', 'set-url', name, url], 'Failed to update git remote URL');
}
return;
}
await runGitCommandOrThrow(primaryWorktree, ['remote', 'add', name, url], 'Failed to add git remote');
};
const fetchRemoteBranchRef = async (primaryWorktree, remoteName, branchName) => {
const remote = String(remoteName || '').trim();
const branch = String(branchName || '').trim();
if (!remote || !branch) {
return;
}
const refspec = `+refs/heads/${branch}:refs/remotes/${remote}/${branch}`;
await runGitCommandOrThrow(
primaryWorktree,
['fetch', remote, refspec],
`Failed to fetch ${remote}/${branch}`
);
};
/**
* Shared existing-mode resolver for validate + create.
* Provisioned remotes (`ensureRemoteName`/`ensureRemoteUrl`) are used for fork
* PR heads; other existing branches keep the local / already-fetched remote path.
*
* @param {'validate'|'create'} intent
*/
const resolveExistingWorktreeSource = async (primaryWorktree, input = {}, intent = 'create') => {
const preferredBranchName = cleanBranchName(String(input?.branchName || '').trim());
const ensureRemoteName = String(input?.ensureRemoteName || '').trim();
const ensureRemoteUrl = String(input?.ensureRemoteUrl || '').trim();
const requestedExistingBranch = String(input?.existingBranch || '').trim();
const wantUpstream = Boolean(input?.setUpstream);
const explicitUpstreamRemote = String(input?.upstreamRemote || '').trim();
const explicitUpstreamBranch = String(input?.upstreamBranch || '').trim();
const parsedExistingRemote = await resolveRemoteBranchRef(primaryWorktree, requestedExistingBranch);
if (
parsedExistingRemote
&& ensureRemoteName
&& ensureRemoteUrl
&& parsedExistingRemote.remote === ensureRemoteName
) {
if (intent === 'validate') {
const lsRemote = await runGitCommand(
primaryWorktree,
['ls-remote', '--heads', ensureRemoteUrl, `refs/heads/${parsedExistingRemote.branch}`]
);
if (!lsRemote.success) {
throw new Error(
`Unable to reach remote ${ensureRemoteName} (${ensureRemoteUrl}). `
+ 'Check network access and credentials for that repository.'
);
}
if (!String(lsRemote.stdout || '').trim()) {
throw new Error(`Remote branch not found: ${parsedExistingRemote.remoteRef}`);
}
} else {
await ensureRemoteWithUrl(primaryWorktree, ensureRemoteName, ensureRemoteUrl);
try {
await fetchRemoteBranchRef(
primaryWorktree,
parsedExistingRemote.remote,
parsedExistingRemote.branch
);
} catch (error) {
const detail = error instanceof Error ? error.message : String(error);
throw new Error(
`Unable to fetch ${parsedExistingRemote.remote}/${parsedExistingRemote.branch} `
+ `from ${ensureRemoteUrl}. ${detail}`
);
}
}
const localBranch = cleanBranchName(preferredBranchName || parsedExistingRemote.branch);
return {
localBranch,
checkoutRef: parsedExistingRemote.remoteRef,
createLocalBranch: true,
setUpstream: wantUpstream,
upstream: {
remote: explicitUpstreamRemote || parsedExistingRemote.remote,
branch: explicitUpstreamBranch || parsedExistingRemote.branch,
},
};
}
if (!requestedExistingBranch) {
throw new Error('existingBranch is required in existing mode');
}
const resolved = await resolveBranchForExistingMode(
primaryWorktree,
requestedExistingBranch,
preferredBranchName
);
const upstream = resolved.remoteRef
? {
remote: explicitUpstreamRemote || resolved.remoteRef.remote,
branch: explicitUpstreamBranch || resolved.remoteRef.branch,
}
: (explicitUpstreamRemote && explicitUpstreamBranch
? { remote: explicitUpstreamRemote, branch: explicitUpstreamBranch }
: null);
return {
localBranch: resolved.localBranch,
checkoutRef: resolved.checkoutRef,
createLocalBranch: resolved.createLocalBranch,
setUpstream: wantUpstream && Boolean(upstream),
upstream,
};
};
const checkRemoteBranchExists = async (primaryWorktree, remoteName, branchName, remoteUrl = '') => {
const remote = String(remoteName || '').trim();
const branch = String(branchName || '').trim();
const url = String(remoteUrl || '').trim();
if (!remote || !branch) {
return { success: false, found: false };
}
const target = url || remote;
const lsRemote = await runGitCommand(
primaryWorktree,
['ls-remote', '--heads', target, `refs/heads/${branch}`]
);
if (!lsRemote.success) {
return { success: false, found: false };
}
return {
success: true,
found: Boolean(String(lsRemote.stdout || '').trim()),
};
};
const applyUpstreamConfiguration = async (args) => {
const {
primaryWorktree,
worktreeDirectory,
localBranch,
setUpstream,
upstreamRemote,
upstreamBranch,
ensureRemoteName,
ensureRemoteUrl,
} = args;
if (!setUpstream) {
return;
}
if (ensureRemoteName && ensureRemoteUrl) {
await ensureRemoteWithUrl(primaryWorktree, ensureRemoteName, ensureRemoteUrl);
}
const upstream = normalizeUpstreamTarget(upstreamRemote, upstreamBranch);
if (!upstream || !localBranch) {
return;
}
try {
await fetchRemoteBranchRef(primaryWorktree, upstream.remote, upstream.branch);
} catch {
// Fetch failed: leave tracking unset. Do not write branch.*.remote/merge
// pointing at a ref that was never fetched.
return;
}
await runGitCommandOrThrow(
worktreeDirectory,
['branch', `--set-upstream-to=${upstream.full}`, localBranch],
`Failed to set upstream to ${upstream.full}`
);
};
export async function isGitRepository(directory) {
const directoryPath = normalizeDirectoryPath(directory);
if (!directoryPath || !fs.existsSync(directoryPath)) {
return false;
}
const result = await runGitCommand(directoryPath, ['rev-parse', '--git-dir']);
return result.success;
}
export async function getGlobalIdentity() {
const git = await createGitForGlobalConfig();
try {
const userName = await git.getConfig('user.name', 'global').catch(() => null);
const userEmail = await git.getConfig('user.email', 'global').catch(() => null);
const sshCommand = await git.getConfig('core.sshCommand', 'global').catch(() => null);
return {
userName: userName?.value || null,
userEmail: userEmail?.value || null,
sshCommand: sshCommand?.value || null
};
} catch (error) {
console.error('Failed to get global Git identity:', error);
return {
userName: null,
userEmail: null,
sshCommand: null
};
}
}
export async function getRemoteUrl(directory, remoteName = 'origin') {
const git = await createGit(directory);
try {
const url = await git.remote(['get-url', remoteName]);
return url?.trim() || null;
} catch {
return null;
}
}
export async function getCurrentIdentity(directory) {
const git = await createGit(directory);
try {
const userName = await git.getConfig('user.name', 'local').catch(() =>
git.getConfig('user.name', 'global')
);
const userEmail = await git.getConfig('user.email', 'local').catch(() =>
git.getConfig('user.email', 'global')
);
const sshCommand = await git.getConfig('core.sshCommand', 'local').catch(() =>
git.getConfig('core.sshCommand', 'global')
);
return {
userName: userName?.value || null,
userEmail: userEmail?.value || null,
sshCommand: sshCommand?.value || null
};
} catch (error) {
console.error('Failed to get current Git identity:', error);
return {
userName: null,
userEmail: null,
sshCommand: null
};
}
}
export async function hasLocalIdentity(directory) {
const git = await createGit(directory);
try {
const localName = await git.getConfig('user.name', 'local').catch(() => null);
const localEmail = await git.getConfig('user.email', 'local').catch(() => null);
return Boolean(localName?.value || localEmail?.value);
} catch {
return false;
}
}
export async function setLocalIdentity(directory, profile) {
const git = await createGit(directory, { allowUnsafeSshCommand: true, allowUnsafeCredentialHelper: true });
try {
await git.addConfig('user.name', profile.userName, false, 'local');
await git.addConfig('user.email', profile.userEmail, false, 'local');
const authType = profile.authType || 'ssh';
if (authType === 'ssh' && profile.sshKey) {
await git.raw([
'config',
'--local',
'core.sshCommand',
buildSshCommand(profile.sshKey)
]);
await git.raw(['config', '--local', '--unset', 'credential.helper']).catch(() => {});
} else if (authType === 'token' && profile.host) {
await git.addConfig(
'credential.helper',
'store',
false,
'local'
);
await git.raw(['config', '--local', '--unset', 'core.sshCommand']).catch(() => {});
}
if (profile.signCommits === true && typeof profile.signingKey === 'string' && profile.signingKey.trim()) {
await git.addConfig('gpg.format', 'ssh', false, 'local');
await git.addConfig('user.signingkey', profile.signingKey.trim(), false, 'local');
await git.addConfig('commit.gpgsign', 'true', false, 'local');
}
return true;
} catch (error) {
console.error('Failed to set Git identity:', error);
throw error;
}
}
export async function getStatus(directory, options = {}) {
const lightMode = options.mode === 'light';
const normalizedDirectory = normalizeDirectoryPath(directory);
if (typeof normalizedDirectory !== 'string' || !normalizedDirectory.trim()) {
throw new Error('directory is required');
}
try {
// Prefer an explicit non-repo check before simple-git status so a missing
// repository never depends on process.cwd() or an opaque GitError shape.
if (!(await isGitRepository(normalizedDirectory))) {
throw new Error('fatal: not a git repository (or any of the parent directories): .git');
}
const { directoryPath, repoRoot, git } = await createRepositoryGitContext(normalizedDirectory);
// Use -uall to show all untracked files individually, not just directories
const status = await git.status(['-uall']);
// Light mode: skip numstat + new-file line counting for faster response
const [stagedStatsRaw, workingStatsRaw] = lightMode
? ['', '']
: await Promise.all([
git.raw(['diff', '--cached', '--numstat']).catch(() => ''),
git.raw(['diff', '--numstat']).catch(() => ''),
]);
const diffStatsMap = new Map();
const accumulateStats = (raw) => {
if (!raw) return;
raw
.split('\n')
.map((line) => line.trim())
.filter(Boolean)
.forEach((line) => {
const parts = line.split('\t');
if (parts.length < 3) {
return;
}
const [insertionsRaw, deletionsRaw, ...pathParts] = parts;
const path = pathParts.join('\t');
if (!path) {
return;
}
const insertions = insertionsRaw === '-' ? 0 : parseInt(insertionsRaw, 10) || 0;
const deletions = deletionsRaw === '-' ? 0 : parseInt(deletionsRaw, 10) || 0;
const existing = diffStatsMap.get(path) || { insertions: 0, deletions: 0 };
diffStatsMap.set(path, {
insertions: existing.insertions + insertions,
deletions: existing.deletions + deletions,
});
});
};
accumulateStats(stagedStatsRaw);
accumulateStats(workingStatsRaw);
const diffStats = Object.fromEntries(diffStatsMap.entries());
const MAX_NEW_FILE_STATS = 200;
const MAX_NEW_FILE_STAT_SIZE = 1024 * 1024;
const newFileStats = [];
if (!lightMode) {
for (const file of status.files) {
if (newFileStats.length >= MAX_NEW_FILE_STATS) {
break;
}
const working = (file.working_dir || '').trim();
const indexStatus = (file.index || '').trim();
const statusCode = working || indexStatus;
if (statusCode !== '?' && statusCode !== 'A') {
continue;
}
const existing = diffStats[file.path];
if (existing && existing.insertions > 0) {
continue;
}
const absolutePath = path.join(repoRoot, file.path);
try {
const stat = await fsp.stat(absolutePath);
if (!stat.isFile() || stat.size > MAX_NEW_FILE_STAT_SIZE) {
continue;
}
const buffer = await fsp.readFile(absolutePath);
if (buffer.indexOf(0) !== -1) {
newFileStats.push({
path: file.path,
insertions: existing?.insertions ?? 0,
deletions: existing?.deletions ?? 0,
});
continue;
}
const normalized = buffer.toString('utf8').replace(/\r\n/g, '\n');
if (!normalized.length) {
newFileStats.push({
path: file.path,
insertions: 0,
deletions: 0,
});
continue;
}
const segments = normalized.split('\n');
if (normalized.endsWith('\n')) {
segments.pop();
}
const lineCount = segments.length;
newFileStats.push({
path: file.path,
insertions: lineCount,
deletions: 0,
});
} catch (error) {
if (error?.code !== 'ENOENT') {
console.warn('Failed to estimate diff stats for new file', file.path, error);
}
}
}
}
for (const entry of newFileStats) {
diffStats[entry.path] = {
insertions: entry.insertions,
deletions: entry.deletions,
};
}
const selectBaseRefForUnpublished = async () => {
const candidates = [];
const originHead = await git
.raw(['symbolic-ref', '-q', 'refs/remotes/origin/HEAD'])
.then((value) => String(value || '').trim())
.catch(() => '');
if (originHead) {
// "refs/remotes/origin/main" -> "origin/main"
candidates.push(originHead.replace(/^refs\/remotes\//, ''));
}
candidates.push('origin/main', 'origin/master', 'main', 'master');
for (const ref of candidates) {
const exists = await git
.raw(['rev-parse', '--verify', ref])
.then((value) => String(value || '').trim())
.catch(() => '');
if (exists) return ref;
}
return null;
};
let tracking = status.tracking || null;
let ahead = status.ahead;
let behind = status.behind;
let upstreamComparison;
// When no upstream is configured (common for new worktree branches), Git doesn't report ahead/behind.
// We still want to show the number of unpublished commits to the user.
// Light mode skips this — the basic ahead/behind from git status is sufficient for polling.
if (!lightMode && !tracking && status.current) {
const baseRef = await selectBaseRefForUnpublished();
if (baseRef) {
const countRaw = await git
.raw(['rev-list', '--count', `${baseRef}..HEAD`])
.then((value) => String(value || '').trim())
.catch(() => '');
const count = parseInt(countRaw, 10);
if (Number.isFinite(count)) {
ahead = count;
behind = 0;
}
}
}
if (
!lightMode
&& status.current
&& (!tracking || !tracking.startsWith('upstream/'))
&& await hasRemote(git, directoryPath, 'upstream')
) {
upstreamComparison = await getRemoteBranchComparison(git, 'upstream', status.current);
}
// Check for in-progress operations
let mergeInProgress = null;
let rebaseInProgress = null;
try {
// Check MERGE_HEAD for merge in progress
const mergeHeadExists = await git
.raw(['rev-parse', '--verify', '--quiet', 'MERGE_HEAD'])
.then(() => true)
.catch(() => false);
if (mergeHeadExists) {
const mergeHead = await git.raw(['rev-parse', 'MERGE_HEAD']).catch(() => '');
const headSha = mergeHead.trim().slice(0, 7);
// Only set mergeInProgress if we actually have a valid head SHA
if (headSha) {
const mergeMsgPath = await resolveGitInternalPath(repoRoot, git, 'MERGE_MSG').catch(() => '');
const mergeMsg = mergeMsgPath ? await fsp.readFile(mergeMsgPath, 'utf8').catch(() => '') : '';
mergeInProgress = {
head: headSha,
message: mergeMsg.split('\n')[0] || '',
};
}
}
} catch {
// ignore
}
try {
// Check for rebase in progress (.git/rebase-merge or .git/rebase-apply)
const rebaseMergePath = await resolveGitInternalPath(repoRoot, git, 'rebase-merge').catch(() => '');
const rebaseApplyPath = await resolveGitInternalPath(repoRoot, git, 'rebase-apply').catch(() => '');
const rebaseMergeExists = rebaseMergePath ? await fsp.stat(rebaseMergePath).then(() => true).catch(() => false) : false;
const rebaseApplyExists = rebaseApplyPath ? await fsp.stat(rebaseApplyPath).then(() => true).catch(() => false) : false;
if (rebaseMergeExists || rebaseApplyExists) {
const rebasePath = rebaseMergeExists ? rebaseMergePath : rebaseApplyPath;
const headName = await fsp.readFile(path.join(rebasePath, 'head-name'), 'utf8').catch(() => '');
const onto = await fsp.readFile(path.join(rebasePath, 'onto'), 'utf8').catch(() => '');
const headNameTrimmed = headName.trim().replace('refs/heads/', '');
const ontoTrimmed = onto.trim().slice(0, 7);
// Only set rebaseInProgress if we have valid data
if (headNameTrimmed || ontoTrimmed) {
rebaseInProgress = {
headName: headNameTrimmed,
onto: ontoTrimmed,
};
}
}
} catch {
// ignore
}
return {
current: status.current,
tracking,
ahead,
behind,
upstreamComparison,
files: status.files.map((f) => ({
path: f.path,
index: f.index,
working_dir: f.working_dir,
})),
isClean: status.isClean(),
diffStats: lightMode ? undefined : diffStats,
mergeInProgress,
rebaseInProgress,
};
} catch (error) {
if (isNotGitRepositoryError(error) || isMissingDirectoryError(error)) {
// Re-throw a plain Error so route/session callers can match reliably and
// continue enumerating other projects instead of treating GitError as 500.
throw new Error('fatal: not a git repository (or any of the parent directories): .git');
}
console.error('Failed to get Git status:', error);
throw error;
}
}
export async function getDiff(directory, { path: filePath, staged = false, contextLines = 3 } = {}) {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
try {
const args = ['diff', '--no-color'];
const fileContext = filePath ? await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot) : null;
if (typeof contextLines === 'number' && !Number.isNaN(contextLines)) {
args.push(`-U${Math.max(0, contextLines)}`);
}
if (staged) {
args.push('--cached');
}
if (fileContext) {
args.push('--', fileContext.repoPath);
}
const diff = await git.raw(args);
if (diff && diff.trim().length > 0) {
return diff;
}
if (staged) {
return diff;
}
if (!fileContext) {
return diff;
}
try {
await git.raw(['ls-files', '--error-unmatch', '--', fileContext.repoPath]);
return diff;
} catch {
if (fileContext.isSymbolicLink) {
const target = await fsp.readlink(fileContext.absolutePath);
return [
`diff --git a/${fileContext.repoPath} b/${fileContext.repoPath}`,
'new file mode 120000',
'--- /dev/null',
`+++ b/${fileContext.repoPath}`,
'@@ -0,0 +1 @@',
`+${target}`,
'\\ No newline at end of file',
'',
].join('\n');
}
const noIndexArgs = ['diff', '--no-color'];
if (typeof contextLines === 'number' && !Number.isNaN(contextLines)) {
noIndexArgs.push(`-U${Math.max(0, contextLines)}`);
}
noIndexArgs.push('--no-index', '--', '/dev/null', fileContext.repoPath);
try {
const noIndexDiff = await git.raw(noIndexArgs);
return noIndexDiff;
} catch (noIndexError) {
// git diff --no-index returns exit code 1 when differences exist (not a real error)
if (noIndexError.exitCode === 1 && noIndexError.message) {
return noIndexError.message;
}
throw noIndexError;
}
}
} catch (error) {
console.error('Failed to get Git diff:', error);
throw error;
}
}
/**
* Individual untracked file paths, honoring ignore rules.
*
* Deliberately not `--directory`: collapsed directory entries end in a slash
* and are not valid inputs to the per-file diff helpers, so a caller would
* silently lose every file inside a new directory. Listing files costs more
* entries but each one is usable.
*
* Callers that only need this list should not pay for `getStatus`, which also
* computes ahead/behind, diff stats, and merge state — an order of magnitude
* more work for an answer they throw away.
*/
export async function listUntrackedPaths(directory) {
const { repoRoot } = await createRepositoryGitContext(directory);
const result = await runGitCommand(repoRoot, [
'ls-files',
'--others',
'--exclude-standard',
]);
if (!result.success) return [];
return String(result.stdout || '')
.split('\n')
.map((line) => line.trim())
.filter(Boolean);
}
/**
* Diffs for untracked files, produced against an empty tree.
*
* `getDiff` re-resolves the repository context on every call, which costs an
* extra `rev-parse` per file; a walkthrough of a branch with thirty new files
* pays that thirty times. This resolves once and reuses it, with a bounded pool
* so a repository full of new files cannot flood the process table.
*
* Returns one entry per input path, in order; unreadable paths yield `''`
* rather than failing the batch.
*/
export async function getUntrackedDiffs(directory, filePaths = [], { concurrency = 8, contextLines = 3 } = {}) {
const paths = (Array.isArray(filePaths) ? filePaths : []).filter((value) => typeof value === 'string' && value);
if (paths.length === 0) return [];
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
const results = new Array(paths.length).fill('');
let cursor = 0;
const worker = async () => {
while (cursor < paths.length) {
const index = cursor++;
try {
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, paths[index], repoRoot);
const args = ['diff', '--no-color'];
if (typeof contextLines === 'number' && !Number.isNaN(contextLines)) {
args.push(`-U${Math.max(0, contextLines)}`);
}
args.push('--no-index', '--', '/dev/null', fileContext.repoPath);
try {
results[index] = await git.raw(args);
} catch (error) {
// `git diff --no-index` exits 1 whenever there are differences, which
// for a new file is always.
results[index] = error?.exitCode === 1 && error?.message ? error.message : '';
}
} catch {
results[index] = '';
}
}
};
await Promise.all(Array.from({ length: Math.min(concurrency, paths.length) }, worker));
return results;
}
const refResolvesToCommit = async (git, ref) => git
.raw(['rev-parse', '--verify', '--quiet', `${ref}^{commit}`])
.then((value) => Boolean(String(value || '').trim()))
.catch(() => false);
/**
* The branch list includes remote-only branches that `ls-remote` reported but
* the repository never fetched (#2098), so a comparison can name a ref that does
* not exist locally. Say that plainly instead of letting git's "ambiguous
* argument" surface as an opaque failure.
*/
async function assertRangeRefsResolve(git, refs) {
for (const ref of refs) {
if (!(await refResolvesToCommit(git, ref))) {
throw new Error(`Ref "${ref}" is not available locally. Fetch it before comparing.`);
}
}
}
export async function getRangeDiff(directory, { base, head, path: filePath, contextLines = 3 } = {}) {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
const baseRef = typeof base === 'string' ? base.trim() : '';
const headRef = typeof head === 'string' ? head.trim() : '';
if (!baseRef || !headRef) {
throw new Error('base and head are required');
}
// Prefer remote-tracking base ref so merged commits don't reappear
// when local base branch is stale (common when user stays on feature branch).
let resolvedBase = baseRef;
const originCandidate = `refs/remotes/origin/${baseRef}`;
try {
const verified = await git.raw(['rev-parse', '--verify', originCandidate]);
if (verified && verified.trim()) {
resolvedBase = `origin/${baseRef}`;
}
} catch {
// ignore
}
// Not every repository has an `origin`. When the base names a branch that
// exists only on another remote, a bare name does not resolve — git looks in
// refs/heads, not across remotes — and the diff fails with "ambiguous
// argument". Fall back to whichever remote actually carries it.
if (resolvedBase === baseRef && !/[*?[\]^~:\\]/.test(baseRef)) {
const resolvesLocally = await git
.raw(['rev-parse', '--verify', `refs/heads/${baseRef}`])
.then((value) => Boolean(String(value || '').trim()))
.catch(() => false);
if (!resolvesLocally) {
const remoteMatch = await git
.raw(['for-each-ref', '--count=1', '--format=%(refname:short)', `refs/remotes/*/${baseRef}`])
.then((value) => String(value || '').trim())
.catch(() => '');
if (remoteMatch) {
resolvedBase = remoteMatch;
}
}
}
await assertRangeRefsResolve(git, [resolvedBase, headRef]);
const args = ['diff', '--no-color'];
if (typeof contextLines === 'number' && !Number.isNaN(contextLines)) {
args.push(`-U${Math.max(0, contextLines)}`);
}
args.push(`${resolvedBase}...${headRef}`);
if (filePath) {
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
args.push('--', fileContext.repoPath);
}
const diff = await git.raw(args);
return diff;
}
const BRANCH_CREATION_SOURCE_RE = /^branch: Created from (.+)$/;
/**
* Parse a branch reflog (`git reflog show --format=%gs <branch>`) and return the
* ref the branch was created from, when that source is itself a named ref.
*
* Returns null when the branch was created from `HEAD` (bare, as `git switch -c`
* / `git checkout -b` without an explicit start point record) or a raw commit
* (detached start): the original branch name is not recorded anywhere in that
* case, and guessing a base from commit topology would be a heuristic, not an
* answer. Callers should ask the user to pick a base instead.
*/
export function parseBranchCreationSource(reflogText) {
const lines = String(reflogText || '')
.split('\n')
.map((line) => line.trim())
.filter(Boolean);
// Reflog lists newest entries first; the creation entry is the oldest one.
for (let index = lines.length - 1; index >= 0; index -= 1) {
const match = lines[index].match(BRANCH_CREATION_SOURCE_RE);
if (!match) continue;
const source = match[1].trim();
// Bare `HEAD` (`git switch -c` from the current branch) and `HEAD@{...}`
// (detached start) both lack a named source; a raw commit hash does too.
if (!source || /^HEAD(@|$)/.test(source) || /^[0-9a-f]{7,40}$/i.test(source)) {
return null;
}
return source;
}
return null;
}
/**
* Resolve the branch the given branch was created from, from its reflog.
* Returns { base: null } when git has no authoritative record (clone, detached
* start, reflog expired) — callers must not fall back to main/master.
*/
export async function getBranchBase(directory, branch) {
const branchName = String(branch || '').trim();
if (!branchName) {
throw new Error('branch is required');
}
const { git } = await createRepositoryGitContext(directory);
let reflog = '';
try {
reflog = await git.raw(['reflog', 'show', '--format=%gs', branchName]);
} catch {
return { base: null };
}
const source = parseBranchCreationSource(reflog);
if (!source || source === branchName) {
return { base: null };
}
const resolves = await git
.raw(['rev-parse', '--verify', '--quiet', source])
.then((value) => Boolean(String(value || '').trim()))
.catch(() => false);
if (!resolves) {
return { base: null };
}
return { base: source };
}
export async function getRangeFiles(directory, { base, head } = {}) {
const { git } = await createRepositoryGitContext(directory);
const baseRef = typeof base === 'string' ? base.trim() : '';
const headRef = typeof head === 'string' ? head.trim() : '';
if (!baseRef || !headRef) {
throw new Error('base and head are required');
}
let resolvedBase = baseRef;
const originCandidate = `refs/remotes/origin/${baseRef}`;
try {
const verified = await git.raw(['rev-parse', '--verify', originCandidate]);
if (verified && verified.trim()) {
resolvedBase = `origin/${baseRef}`;
}
} catch {
// ignore
}
await assertRangeRefsResolve(git, [resolvedBase, headRef]);
// `-C` (copy detection among changed files only, so cheap) makes copies
// surface as C entries instead of plain additions; rename detection is on
// by default.
const raw = await git.raw(['diff', '--name-status', '-z', '-C', `${resolvedBase}...${headRef}`]);
// -z format: STATUS\0PATH\0[ORIG\0] repeated. For rename/copy entries
// (`R100`, `C75`) the first path token is the ORIGINAL path and the second
// is the DESTINATION — the diff (and the UI) must address the destination.
const tokens = String(raw || '').split('\0');
const files = [];
for (let index = 0; index < tokens.length; index += 1) {
const status = (tokens[index] || '').trim();
if (!status) continue;
const isRenameOrCopy = status.startsWith('R') || status.startsWith('C');
const path = isRenameOrCopy ? (tokens[index + 2] || '').trim() : (tokens[index + 1] || '').trim();
index += isRenameOrCopy ? 2 : 1;
if (path) {
files.push({ path, status: status.charAt(0) });
}
}
return files;
}
const IMAGE_EXTENSIONS = ['png', 'jpg', 'jpeg', 'gif', 'svg', 'webp', 'ico', 'bmp', 'avif'];
const BINARY_SNIFF_BYTES = 8192;
function isImageFile(filePath) {
const ext = filePath.split('.').pop()?.toLowerCase();
return IMAGE_EXTENSIONS.includes(ext || '');
}
function getImageMimeType(filePath) {
const ext = filePath.split('.').pop()?.toLowerCase();
const mimeMap = {
'png': 'image/png',
'jpg': 'image/jpeg',
'jpeg': 'image/jpeg',
'gif': 'image/gif',
'svg': 'image/svg+xml',
'webp': 'image/webp',
'ico': 'image/x-icon',
'bmp': 'image/bmp',
'avif': 'image/avif',
};
return mimeMap[ext] || 'application/octet-stream';
}
const parseIsBinaryFromNumstat = (raw) => {
const text = String(raw || '').trim();
if (!text) {
return false;
}
// Expected format: <added>\t<deleted>\t<path>
const firstLine = text.split('\n').map((line) => line.trim()).find(Boolean) || '';
const [added, deleted] = firstLine.split('\t');
return added === '-' || deleted === '-';
};
const extractGitStatusPath = (status, pathPart) => {
if ((status === 'R' || status === 'C') && pathPart.includes('\t')) {
return pathPart.split('\t').pop() || pathPart;
}
return pathPart;
};
const extractGitNumstatDestinationPath = (filePath) => {
if (!filePath.includes(' => ')) {
return filePath;
}
const braceMatch = filePath.match(/^(.*)\{([^{}]*)\s=>\s([^{}]*)\}(.*)$/);
if (braceMatch) {
const [, prefix, , destination, suffix] = braceMatch;
return `${prefix}${destination}${suffix}`.replace(/\/+/g, '/');
}
return filePath.split(' => ').pop()?.trim() || filePath;
};
const looksBinaryBySniff = async (absolutePath) => {
try {
const handle = await fsp.open(absolutePath, 'r');
try {
const buffer = Buffer.alloc(BINARY_SNIFF_BYTES);
const { bytesRead } = await handle.read(buffer, 0, BINARY_SNIFF_BYTES, 0);
if (bytesRead <= 0) {
return false;
}
return buffer.subarray(0, bytesRead).includes(0);
} finally {
await handle.close();
}
} catch {
return false;
}
};
const isBinaryDiff = async (directoryPath, filePath, staged) => {
// Fast path: ask git for numstat. For binary, it returns "-\t-\t<path>".
const args = ['diff', '--numstat'];
if (staged) {
args.push('--cached');
}
args.push('--', filePath);
const result = await runGitCommand(directoryPath, args);
if (parseIsBinaryFromNumstat(result.stdout)) {
return true;
}
// Fallback for untracked files (diff output is empty): use --no-index against /dev/null
if (!staged) {
const tracked = await runGitCommand(directoryPath, ['ls-files', '--error-unmatch', '--', filePath]).then((r) => r.success);
if (!tracked) {
const noIndex = await runGitCommand(directoryPath, ['diff', '--no-index', '--numstat', '--', '/dev/null', filePath]);
if (parseIsBinaryFromNumstat(noIndex.stdout) || parseIsBinaryFromNumstat(noIndex.stderr) || parseIsBinaryFromNumstat(noIndex.message)) {
return true;
}
const text = `${noIndex.stdout || ''}\n${noIndex.stderr || ''}\n${noIndex.message || ''}`.toLowerCase();
if (text.includes('binary files') || text.includes('git binary patch')) {
return true;
}
}
}
return false;
};
export async function getFileDiff(directory, { path: filePath, staged = false } = {}) {
if (!directory || !filePath) {
throw new Error('directory and path are required for getFileDiff');
}
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
const isImage = isImageFile(filePath);
const mimeType = isImage ? getImageMimeType(filePath) : null;
const { absolutePath, repoPath, isSymbolicLink } = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
if (!isImage && !isSymbolicLink) {
const isBinaryBySniff = await looksBinaryBySniff(absolutePath);
const isBinary = isBinaryBySniff || (await isBinaryDiff(repoRoot, repoPath, staged));
if (isBinary) {
return {
original: '',
modified: '',
path: filePath,
isBinary: true,
};
}
}
let original = '';
try {
if (isImage) {
// For images, use git show with raw output and convert to base64
try {
const { stdout } = await execFileAsync(getGitBinary(), ['show', `HEAD:${repoPath}`], {
cwd: repoRoot,
encoding: 'buffer',
windowsHide: true,
maxBuffer: 50 * 1024 * 1024, // 50MB max
});
if (stdout && stdout.length > 0) {
original = `data:${mimeType};base64,${stdout.toString('base64')}`;
}
} catch {
original = '';
}
} else {
original = await git.show([`HEAD:${repoPath}`]);
}
} catch {
original = '';
}
let modified = '';
try {
if (staged) {
if (isImage) {
const { stdout } = await execFileAsync(getGitBinary(), ['show', `:${repoPath}`], {
cwd: repoRoot,
encoding: 'buffer',
windowsHide: true,
maxBuffer: 50 * 1024 * 1024,
});
if (stdout && stdout.length > 0) {
modified = `data:${mimeType};base64,${stdout.toString('base64')}`;
}
} else {
modified = await git.show([`:${repoPath}`]);
}
} else {
if (isSymbolicLink) {
modified = await fsp.readlink(absolutePath);
} else {
const stat = await fsp.stat(absolutePath);
if (!stat.isFile()) {
return {
original: typeof original === 'string' ? original.replace(/\r\n/g, '\n') : original,
modified: '',
path: filePath,
isBinary: false,
};
}
if (isImage) {
// For images, read as binary and convert to data URL
const buffer = await fsp.readFile(absolutePath);
modified = `data:${mimeType};base64,${buffer.toString('base64')}`;
} else {
modified = await fsp.readFile(absolutePath, 'utf8');
}
}
}
} catch (error) {
if (error && typeof error === 'object' && error.code === 'ENOENT') {
modified = '';
} else {
console.error('Failed to read modified file contents for diff:', error);
throw error;
}
}
return {
original: typeof original === 'string' ? original.replace(/\r\n/g, '\n') : original,
modified: typeof modified === 'string' ? modified.replace(/\r\n/g, '\n') : modified,
path: filePath,
isBinary: false,
};
}
export async function revertFile(directory, filePath, options = {}) {
return withGitIndexMutationQueue(directory, async () => {
const scope = options?.scope === 'working' ? 'working' : 'all';
const directoryPath = normalizeDirectoryPath(directory);
const directoryGit = await createGit(directoryPath);
const repoRoot = await resolveGitRepositoryRoot(directoryPath, directoryGit);
const { absolutePath, repoPath } = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
const git = await createGit(repoRoot);
const isTracked = await git
.raw(['ls-files', '--error-unmatch', '--', repoPath])
.then(() => true)
.catch(() => false);
if (!isTracked) {
try {
await git.raw(['clean', '-f', '-d', '--', repoPath]);
return;
} catch (cleanError) {
try {
await fsp.rm(absolutePath, { recursive: true, force: true });
return;
} catch (fsError) {
if (fsError && typeof fsError === 'object' && fsError.code === 'ENOENT') {
return;
}
console.error('Failed to remove untracked file during revert:', fsError);
throw fsError;
}
}
}
if (scope === 'all') {
try {
await git.raw(['restore', '--staged', '--', repoPath]);
} catch (error) {
await git.raw(['reset', 'HEAD', '--', repoPath]).catch(() => {});
}
}
try {
await git.raw(['restore', '--', repoPath]);
} catch (error) {
try {
await git.raw(['checkout', '--', repoPath]);
} catch (fallbackError) {
console.error('Failed to revert git file:', fallbackError);
throw fallbackError;
}
}
});
}
const HUNK_ACTION_FLAGS = {
stage: ['--cached'],
unstage: ['--cached', '--reverse'],
discard: ['--reverse'],
};
const parsePatchPathToken = (line) => {
const value = String(line || '').replace(/^(?:-{3}|\+{3})\s+/, '');
if (!value || value === '/dev/null') {
return null;
}
if (value.startsWith('"')) {
let token = '"';
let escaped = false;
for (let index = 1; index < value.length; index += 1) {
const char = value[index];
token += char;
if (escaped) {
escaped = false;
} else if (char === '\\') {
escaped = true;
} else if (char === '"') {
break;
}
}
try {
return JSON.parse(token);
} catch {
return token.slice(1, token.endsWith('"') ? -1 : undefined);
}
}
return value.split('\t', 1)[0] || null;
};
const normalizePatchTargetPath = (value) => {
if (!value || value === '/dev/null') {
return null;
}
return value.replace(/^[ab]\//, '');
};
const extractPatchTargetPath = (patch) => {
const matches = [...patch.matchAll(/^(?:-{3}|\+{3})\s+.+$/gm)];
const realTargets = matches
.map((match) => normalizePatchTargetPath(parsePatchPathToken(match[0])))
.filter(Boolean);
return realTargets[0] || null;
};
const writeTempPatchFile = async (patch) => {
const tmpDir = os.tmpdir();
const tmpPath = path.join(tmpDir, `openchamber-hunk-${Date.now()}-${Math.random().toString(36).slice(2)}.patch`);
await fsp.writeFile(tmpPath, patch, 'utf8');
return tmpPath;
};
export async function applyHunk(directory, filePath, options = {}) {
const action = options?.action;
if (!action || !HUNK_ACTION_FLAGS[action]) {
throw new Error('Invalid hunk action');
}
const patch = typeof options?.patch === 'string' ? options.patch : '';
if (!patch.trim()) {
throw new Error('patch is required to apply a hunk');
}
if (!/^@@\s/m.test(patch)) {
throw new Error('patch does not contain a hunk header');
}
return withGitIndexMutationQueue(directory, async () => {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
validateRepositoryFilePaths(repoRoot, [fileContext.repoPath]);
const targetPath = extractPatchTargetPath(patch);
if (targetPath && targetPath !== fileContext.repoPath && targetPath !== filePath) {
throw new Error('patch target path does not match the requested file');
}
const flags = HUNK_ACTION_FLAGS[action];
let tmpPath = null;
try {
tmpPath = await writeTempPatchFile(patch);
try {
await git.raw(['apply', ...flags, '--check', tmpPath]);
} catch (checkError) {
const text = parseGitErrorText(checkError);
throw new Error(
text
? `Hunk no longer applies — refresh and try again.\n${text}`
: 'Hunk no longer applies — refresh and try again.'
);
}
await git.raw(['apply', ...flags, tmpPath]);
} finally {
if (tmpPath) {
await fsp.rm(tmpPath, { force: true }).catch(() => {});
}
}
});
}
export async function collectDiffs(directory, files = []) {
const results = [];
for (const filePath of files) {
try {
const diff = await getDiff(directory, { path: filePath });
if (diff && diff.trim().length > 0) {
results.push({ path: filePath, diff });
}
} catch (error) {
console.error(`Failed to diff ${filePath}:`, error);
}
}
return results;
}
export async function pull(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
const pullOptions = options.rebase === true
? { ...(options.options && typeof options.options === 'object' && !Array.isArray(options.options) ? options.options : {}), '--rebase': null }
: options.options || {};
try {
const remote = String(options.remote || '').trim();
const requestedBranch = String(options.branch || '').trim();
let branch = requestedBranch;
if (remote && !branch) {
// simple-git only includes the remote when both remote and branch are provided.
// Resolve the current branch so selecting a remote in the UI really runs `git pull <remote> <branch>`.
const status = await git.status();
branch = String(status.current || '').trim();
}
const result = await git.pull(
remote || 'origin',
branch || undefined,
pullOptions
);
return {
success: true,
summary: result.summary,
files: result.files,
insertions: result.insertions,
deletions: result.deletions
};
} catch (error) {
console.error('Failed to pull:', error);
throw error;
}
}
export async function listStashes(directory) {
const { git } = await createRepositoryGitContext(directory);
const output = await git.raw(['stash', 'list', '--format=%gd%x1f%gs%x1f%cr%x1f%H']);
return String(output || '')
.split('\n')
.map((line) => line.trim())
.filter(Boolean)
.map((line) => {
const [ref = '', message = '', relativeTime = '', hash = ''] = line.split('\x1f');
return { ref, message, relativeTime, hash };
})
.filter((entry) => entry.ref);
}
export async function countStashFiles(directory, refs = []) {
const { git } = await createRepositoryGitContext(directory);
const uniqueRefs = Array.from(new Set((Array.isArray(refs) ? refs : []).map((ref) => String(ref || '').trim()).filter(Boolean)));
const counts = {};
const concurrency = 4;
let cursor = 0;
const worker = async () => {
while (cursor < uniqueRefs.length) {
const ref = uniqueRefs[cursor++];
if (!ref) continue;
try {
const names = await git.raw(['stash', 'show', '--name-only', ref]);
counts[ref] = String(names || '').split('\n').map((line) => line.trim()).filter(Boolean).length;
} catch {
counts[ref] = 0;
}
}
};
await Promise.all(Array.from({ length: Math.min(concurrency, uniqueRefs.length) }, () => worker()));
return counts;
}
export async function stashPush(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
const message = typeof options.message === 'string' && options.message.trim()
? options.message.trim()
: `OpenChamber stash ${new Date().toISOString()}`;
const output = await git.raw(['stash', 'push', '--include-untracked', '-m', message]);
return {
success: true,
created: !/no local changes/i.test(String(output || '')),
message,
output: String(output || '').trim(),
};
}
export async function stashApply(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
const ref = typeof options.ref === 'string' && options.ref.trim() ? options.ref.trim() : 'stash@{0}';
// Prefer --index so the staged/unstaged split captured in the stash is restored
// faithfully. Fall back to a plain apply when the index can't be reinstated
// cleanly (e.g. conflicts), which is the prior behavior.
await git.raw(['stash', 'apply', '--index', ref]).catch(async () => {
await git.raw(['stash', 'apply', ref]);
});
return { success: true, ref };
}
export async function stashDrop(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
const ref = typeof options.ref === 'string' && options.ref.trim() ? options.ref.trim() : 'stash@{0}';
await git.raw(['stash', 'drop', ref]);
return { success: true, ref };
}
export async function stashPop(directory, options = {}) {
const ref = typeof options.ref === 'string' && options.ref.trim() ? options.ref.trim() : 'stash@{0}';
await stashApply(directory, { ref });
await stashDrop(directory, { ref });
return { success: true, ref };
}
export async function push(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
const describePushError = (error) => {
const fromNestedGit = error?.git && typeof error.git === 'object'
? [error.git.message, error.git.stderr, error.git.stdout]
: [];
const candidates = [
error?.message,
error?.stderr,
error?.stdout,
...fromNestedGit,
]
.map((value) => String(value || '').trim())
.filter(Boolean);
return candidates[0] || 'Failed to push to remote';
};
const buildUpstreamOptions = (raw) => {
if (Array.isArray(raw)) {
return raw.includes('--set-upstream') ? raw : [...raw, '--set-upstream'];
}
if (raw && typeof raw === 'object') {
return { ...raw, '--set-upstream': null };
}
return ['--set-upstream'];
};
const looksLikeMissingUpstream = (error) => {
const message = String(error?.message || error?.stderr || '').toLowerCase();
return (
message.includes('has no upstream') ||
message.includes('no upstream') ||
message.includes('set-upstream') ||
message.includes('set upstream') ||
(message.includes('upstream') && message.includes('push') && message.includes('-u'))
);
};
const normalizePushResult = (result) => {
return {
success: true,
pushed: result.pushed,
repo: result.repo,
ref: result.ref,
};
};
const remote = String(options.remote || '').trim();
if (!remote && !options.branch) {
try {
await git.push();
return {
success: true,
pushed: [],
repo: directory,
ref: null,
};
} catch (error) {
if (!looksLikeMissingUpstream(error)) {
const message = describePushError(error);
console.error('Failed to push:', error);
throw new Error(message);
}
try {
const status = await git.status();
const branch = status.current;
const remotes = await git.getRemotes(true);
const fallbackRemote = remotes.find((entry) => entry.name === 'origin')?.name || remotes[0]?.name;
if (!branch || !fallbackRemote) {
const message = describePushError(error);
throw new Error(message);
}
const result = await git.push(fallbackRemote, branch, buildUpstreamOptions(options.options));
return normalizePushResult(result);
} catch (fallbackError) {
const message = describePushError(fallbackError);
console.error('Failed to push (including upstream fallback):', fallbackError);
throw new Error(message);
}
}
}
const remoteName = remote || 'origin';
// If caller didn't specify a branch, this is the common "Push"/"Commit & Push" path.
// When there's no upstream yet (typical for freshly-created worktree branches), publish it on first push.
if (!options.branch) {
try {
const status = await git.status();
if (status.current && !status.tracking) {
const result = await git.push(remoteName, status.current, buildUpstreamOptions(options.options));
return normalizePushResult(result);
}
} catch (error) {
// If we can't read status, fall back to the regular push path below.
console.warn('Failed to read git status before push:', error);
}
}
try {
const result = await git.push(remoteName, options.branch, options.options || {});
return normalizePushResult(result);
} catch (error) {
// Last-resort fallback: retry with upstream if the error suggests it's missing.
if (!looksLikeMissingUpstream(error)) {
const message = describePushError(error);
console.error('Failed to push:', error);
throw new Error(message);
}
try {
const status = await git.status();
const branch = options.branch || status.current;
if (!branch) {
console.error('Failed to push: missing branch name for upstream setup:', error);
throw error;
}
const result = await git.push(remoteName, branch, buildUpstreamOptions(options.options));
return normalizePushResult(result);
} catch (fallbackError) {
const message = describePushError(fallbackError);
console.error('Failed to push (including upstream fallback):', fallbackError);
throw new Error(message);
}
}
}
export async function deleteRemoteBranch(directory, options = {}) {
const { branch, remote } = options;
if (!branch) {
throw new Error('branch is required to delete remote branch');
}
const { git } = await createRepositoryGitContext(directory);
const targetBranch = branch.startsWith('refs/heads/')
? branch.substring('refs/heads/'.length)
: branch;
const remoteName = remote || 'origin';
try {
await git.push(remoteName, `:${targetBranch}`);
return { success: true };
} catch (error) {
console.error('Failed to delete remote branch:', error);
throw error;
}
}
export async function fetch(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
try {
const remote = String(options.remote || '').trim();
const branch = String(options.branch || '').trim();
const fetchOptions = options.options || {};
if (remote && !branch) {
// simple-git drops the remote when branch is omitted, so use raw to preserve `git fetch <remote>`.
await git.raw(['fetch', ...buildRawGitOptions(fetchOptions), remote]);
} else {
await git.fetch(
remote || 'origin',
branch || undefined,
fetchOptions
);
}
return { success: true };
} catch (error) {
console.error('Failed to fetch:', error);
throw error;
}
}
export async function stageFile(directory, filePath) {
await stageFiles(directory, [filePath]);
}
export async function stageFiles(directory, paths) {
if (!directory) {
throw new Error('directory and path are required for stageFile');
}
const filePaths = normalizeFilePathList(paths);
if (filePaths.length === 0) {
throw new Error('directory and path are required for stageFile');
}
validateRepositoryFilePaths(normalizeDirectoryPath(directory), filePaths);
await withGitIndexMutationQueue(directory, async () => {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
const repoPaths = Array.from(new Set(await Promise.all(filePaths.map(async (filePath) => {
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
return fileContext.repoPath;
}))));
validateRepositoryFilePaths(repoRoot, repoPaths);
await git.raw(['add', '--', ...repoPaths]).catch(async (error) => {
const gitErrorText = parseGitErrorText(error);
const isPathspecError = gitErrorText.includes('pathspec') && gitErrorText.includes('did not match any files');
if (!isPathspecError) {
throw error;
}
// During rapid stage/unstage toggling the optimistic UI can request staging a
// path that a prior queued mutation already staged (most visibly a deletion,
// whose file is gone from the working tree). `git add` aborts the whole batch
// on a single unmatched pathspec, so retry per-path and skip the ones already
// in their target state rather than failing the entire "stage all".
for (const repoPath of repoPaths) {
await git.raw(['add', '--', repoPath]).catch((perPathError) => {
const perPathText = parseGitErrorText(perPathError);
const perPathIsPathspecError =
perPathText.includes('pathspec') && perPathText.includes('did not match any files');
if (!perPathIsPathspecError) {
throw perPathError;
}
});
}
});
});
}
export async function unstageFile(directory, filePath) {
await unstageFiles(directory, [filePath]);
}
export async function unstageFiles(directory, paths) {
if (!directory) {
throw new Error('directory and path are required for unstageFile');
}
const filePaths = normalizeFilePathList(paths);
if (filePaths.length === 0) {
throw new Error('directory and path are required for unstageFile');
}
validateRepositoryFilePaths(normalizeDirectoryPath(directory), filePaths);
await withGitIndexMutationQueue(directory, async () => {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
const repoPaths = Array.from(new Set(await Promise.all(filePaths.map(async (filePath) => {
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
return fileContext.repoPath;
}))));
validateRepositoryFilePaths(repoRoot, repoPaths);
await git.raw(['restore', '--staged', '--', ...repoPaths]).catch(async () => {
await git.raw(['reset', 'HEAD', '--', ...repoPaths]);
});
});
}
export async function commit(directory, message, options = {}) {
return withGitIndexMutationQueue(directory, async () => {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
let temporarilyUnstagedFiles = [];
try {
const requestedFiles = Array.isArray(options.files)
? options.files
.map((value) => String(value || '').trim())
.filter(Boolean)
: [];
const requestedStageFiles = Array.isArray(options.stageFiles)
? options.stageFiles
.map((value) => String(value || '').trim())
.filter(Boolean)
: null;
let filesToCommit = [];
let commitFromIndexOnly = false;
if (options.addAll) {
await git.add('.');
} else if (requestedFiles.length > 0) {
filesToCommit = Array.from(new Set(await Promise.all(requestedFiles.map(async (filePath) => {
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
return fileContext.repoPath;
}))));
const stageFilesToCommit = requestedStageFiles
? Array.from(new Set(await Promise.all(requestedStageFiles.map(async (filePath) => {
const fileContext = await resolveGitFileContext(directoryPath, directoryGit, filePath, repoRoot);
return fileContext.repoPath;
}))))
: null;
const status = await git.status();
const fileStatusByPath = new Map(status.files.map((file) => [file.path, file]));
filesToCommit = filesToCommit.filter((filePath) => fileStatusByPath.has(filePath));
if (filesToCommit.length === 0) {
throw new Error('No selected files are available to commit. Refresh git status and try again.');
}
if (requestedStageFiles) {
commitFromIndexOnly = true;
const selectedFileSet = new Set(filesToCommit);
temporarilyUnstagedFiles = status.files
.filter((file) => {
const indexStatus = (file.index || '').trim();
return indexStatus && indexStatus !== '?' && !selectedFileSet.has(file.path);
})
.map((file) => file.path);
if (temporarilyUnstagedFiles.length > 0) {
await git.raw(['restore', '--staged', '--', ...temporarilyUnstagedFiles]);
}
}
const filesNeedingAdd = requestedStageFiles
? (stageFilesToCommit || []).filter((filePath) => fileStatusByPath.has(filePath))
: filesToCommit.filter((filePath) => {
const fileStatus = fileStatusByPath.get(filePath);
if (!fileStatus) {
return false;
}
const alreadyFullyStaged = fileStatus.index !== ' ' && fileStatus.working_dir === ' ';
return !alreadyFullyStaged;
});
if (filesNeedingAdd.length > 0) {
await git.raw(['add', '--', ...filesNeedingAdd]);
}
}
const commitArgs =
!commitFromIndexOnly && !options.addAll && filesToCommit.length > 0
? filesToCommit
: undefined;
let result;
try {
result = await git.commit(message, commitArgs);
} catch (error) {
const gitErrorText = parseGitErrorText(error);
const isPathspecError = gitErrorText.includes('pathspec') && gitErrorText.includes('did not match any files');
if (!isPathspecError || !commitArgs || commitArgs.length === 0) {
throw error;
}
// Fallback for deleted/stale selections: commit currently staged changes.
result = await git.commit(message);
}
if (temporarilyUnstagedFiles.length > 0) {
await git.raw(['add', '--', ...temporarilyUnstagedFiles]).catch((restoreError) => {
console.error('Failed to restore temporarily unstaged files:', restoreError);
});
}
return {
success: true,
commit: result.commit,
branch: result.branch,
summary: result.summary
};
} catch (error) {
if (temporarilyUnstagedFiles.length > 0) {
await git.raw(['add', '--', ...temporarilyUnstagedFiles]).catch((restoreError) => {
console.error('Failed to restore temporarily unstaged files after commit failure:', restoreError);
});
}
console.error('Failed to commit:', error);
throw error;
}
});
}
export async function getBranches(directory) {
const { git } = await createRepositoryGitContext(directory);
try {
const result = await git.branch();
const allBranches = result.all;
const remoteBranches = allBranches.filter(branch => branch.startsWith('remotes/'));
const activeRemoteBranches = await filterActiveRemoteBranches(git, remoteBranches);
const defaultBranches = await getRemoteDefaultBranches(git);
const filteredAll = [
...allBranches.filter(branch => !branch.startsWith('remotes/')),
...activeRemoteBranches
];
return {
all: filteredAll,
current: result.current,
branches: result.branches,
defaultBranches,
};
} catch (error) {
console.error('Failed to get branches:', error);
throw error;
}
}
/**
* Counts locally unpushed commits for a small caller-supplied set of local
* branches. This deliberately reads only local refs: the branch picker calls
* it when opened, never polls, and never fetches a remote behind the user's
* back. Unknown, remote, and upstream-less branches are omitted.
*/
export async function getUnpushedBranchCounts(directory, branchNames) {
const { git } = await createRepositoryGitContext(directory);
const requested = [...new Set(Array.isArray(branchNames) ? branchNames : [])]
.filter((name) => typeof name === 'string' && name.length > 0)
.slice(0, 5);
if (requested.length === 0) return { counts: {} };
const local = new Set((await git.branchLocal()).all);
const counts = {};
await Promise.all(requested.map(async (branch) => {
if (!local.has(branch)) return;
const upstream = await git.raw(['rev-parse', '--abbrev-ref', '--symbolic-full-name', `${branch}@{upstream}`])
.then((value) => value.trim())
.catch(() => '');
if (!upstream) return;
const count = await git.raw(['rev-list', '--count', `${upstream}..${branch}`])
.then((value) => Number.parseInt(value.trim(), 10))
.catch(() => 0);
if (Number.isFinite(count) && count > 0) counts[branch] = count;
}));
return { counts };
}
async function getRemoteDefaultBranches(git) {
let defaults = {};
try {
const refs = await git.raw([
'for-each-ref',
'--format=%(refname) %(symref)',
'refs/remotes',
]);
defaults = Object.fromEntries(
refs.trim().split('\n').flatMap((line) => {
const [ref, symbolicRef] = line.split(' ');
const match = ref.match(/^refs\/remotes\/([^/]+)\/HEAD$/);
const prefix = match ? `refs/remotes/${match[1]}/` : '';
return match && typeof symbolicRef === 'string' && symbolicRef.startsWith(prefix)
? [[match[1], symbolicRef.slice(prefix.length)]]
: [];
})
);
} catch {
defaults = {};
}
// `remote/HEAD` is written by clone and by `git remote set-head`; a remote
// added by hand may never have one. Without this the caller falls back to
// guessing main/master/develop, which is exactly the guess this data exists
// to replace — so ask the remote itself, but only for the remotes that are
// actually missing an answer.
try {
const remotes = await git.getRemotes();
const missing = remotes.filter((remote) => remote?.name && !defaults[remote.name]);
if (missing.length === 0) return defaults;
const resolved = await Promise.all(missing.map(async (remote) => {
try {
const output = await git.raw(['ls-remote', '--symref', remote.name, 'HEAD']);
const match = String(output || '').match(/^ref:\s+refs\/heads\/(.+?)\s+HEAD$/m);
return match ? [remote.name, match[1]] : null;
} catch {
// Unreachable or refusing: no answer is better than a guessed one.
return null;
}
}));
for (const entry of resolved) {
if (entry) defaults[entry[0]] = entry[1];
}
} catch {
// Remote list unavailable; the local symrefs are still valid.
}
return defaults;
}
async function filterActiveRemoteBranches(git, remoteBranches) {
try {
const remotes = await git.getRemotes();
const branchesByRemote = new Map();
// A remote that did not answer says nothing about its branches. Dropping
// them would turn "we could not ask" into "these branches are gone", and
// callers use this list to decide whether a base branch exists at all — so
// offline would silently remove comparisons that work perfectly well
// against the local remote-tracking refs.
const unreachableRemotes = new Set();
await Promise.all(remotes.map(async (remote) => {
try {
const lsRemoteResult = await git.raw(['ls-remote', '--heads', remote.name]);
const actualRemoteBranches = new Set();
const lines = lsRemoteResult.trim().split('\n');
for (const line of lines) {
if (line.includes('\trefs/heads/')) {
const branchName = line.split('\t')[1].replace('refs/heads/', '');
actualRemoteBranches.add(branchName);
}
}
branchesByRemote.set(remote.name, actualRemoteBranches);
} catch {
unreachableRemotes.add(remote.name);
}
}));
const activeBranches = remoteBranches.filter(remoteBranch => {
const match = remoteBranch.match(/^remotes\/[^\/]+\/(.+)$/);
if (!match) return false;
const remoteName = remoteBranch.split('/')[1];
const branchName = match[1];
if (unreachableRemotes.has(remoteName)) return true;
return branchesByRemote.get(remoteName)?.has(branchName) ?? false;
});
// A branch pushed to the remote that was never fetched locally has no
// remote-tracking ref, so `git branch` never reports it — but ls-remote
// just told us it exists. Add those so a freshly pushed branch shows up
// without requiring a fetch first (#2098). Unreachable remotes have no
// ls-remote data and therefore add nothing here; their local view above
// is preserved unchanged.
const seenBranches = new Set(activeBranches);
for (const [remoteName, actualRemoteBranches] of branchesByRemote) {
for (const branchName of actualRemoteBranches) {
const qualifiedBranch = `remotes/${remoteName}/${branchName}`;
if (!seenBranches.has(qualifiedBranch)) {
seenBranches.add(qualifiedBranch);
activeBranches.push(qualifiedBranch);
}
}
}
return activeBranches;
} catch (error) {
console.warn('Failed to filter active remote branches, returning all:', error.message);
return remoteBranches;
}
}
export async function createBranch(directory, branchName, options = {}) {
const { git } = await createRepositoryGitContext(directory);
try {
await git.checkoutBranch(branchName, options.startPoint || 'HEAD');
return { success: true, branch: branchName };
} catch (error) {
console.error('Failed to create branch:', error);
throw error;
}
}
// Deliberately not `--quiet`: simple-git resolves a quiet non-zero exit as
// success, so the ref itself has to be echoed for the answer to mean anything.
const gitRefExists = async (git, ref) => {
try {
const output = await git.raw(['show-ref', '--verify', ref]);
return String(output).trim().length > 0;
} catch {
return false;
}
};
/**
* The branch selector lists remote-tracking branches beside local ones, so
* picking `origin/main` means "work on main", not "detach HEAD at the remote's
* commit" — which is what a literal checkout of a remote-tracking ref does.
* Resolve such a pick to the local branch, creating it with tracking when it
* does not exist yet. Anything we cannot resolve is checked out as requested,
* leaving git's own DWIM behavior intact.
*/
const resolveBranchCheckoutTarget = async (git, branchName) => {
const requested = String(branchName || '').trim();
if (!requested) {
throw new Error('Branch name is required');
}
const asRequested = { branch: requested, remoteRef: null };
if (await gitRefExists(git, `refs/heads/${requested}`)) {
return asRequested;
}
const remoteRef = requested.replace(/^remotes\//, '');
const remotes = await git.getRemotes();
const remote = remotes.find((entry) => entry?.name && remoteRef.startsWith(`${entry.name}/`));
if (!remote) {
return asRequested;
}
const localBranch = remoteRef.slice(remote.name.length + 1);
// `origin/HEAD` names no branch of its own; it is a pointer to one.
if (!localBranch || localBranch === 'HEAD') {
return asRequested;
}
// The branch list also carries branches that only `ls-remote` knows about
// (#2098): they exist on the remote but were never fetched, so there is no
// remote-tracking ref and a literal checkout fails with a pathspec error.
// Fetch the single branch first so the tracking ref exists, then fall through
// to the normal create-with-tracking path.
if (!(await gitRefExists(git, `refs/remotes/${remoteRef}`))) {
try {
await git.fetch(remote.name, localBranch);
} catch (error) {
throw new Error(`Failed to fetch ${localBranch} from ${remote.name}: ${error?.message || error}`);
}
if (!(await gitRefExists(git, `refs/remotes/${remoteRef}`))) {
throw new Error(`Branch ${localBranch} no longer exists on remote ${remote.name}`);
}
}
const localExists = await gitRefExists(git, `refs/heads/${localBranch}`);
return { branch: localBranch, remoteRef: localExists ? null : remoteRef };
};
export async function checkoutBranch(directory, branchName) {
const { git } = await createRepositoryGitContext(directory);
try {
const target = await resolveBranchCheckoutTarget(git, branchName);
if (target.remoteRef) {
await git.raw(['checkout', '-b', target.branch, '--track', target.remoteRef]);
} else {
await git.checkout(target.branch);
}
return { success: true, branch: target.branch };
} catch (error) {
console.error('Failed to checkout branch:', error);
throw error;
}
}
export async function checkoutCommit(directory, hash) {
if (!isValidCommitHash(hash)) {
throw new Error('Invalid commit hash');
}
const { git } = await createRepositoryGitContext(directory);
try {
await git.checkout(hash);
return { success: true };
} catch (error) {
console.error('Failed to checkout commit:', error);
throw error;
}
}
export async function cherryPick(directory, hash) {
if (!isValidCommitHash(hash)) {
throw new Error('Invalid commit hash');
}
const { git } = await createRepositoryGitContext(directory);
try {
await git.raw(['cherry-pick', hash]);
return { success: true, conflict: false };
} catch (error) {
const errorMessage = String(error?.message || error || '').toLowerCase();
const isConflict =
errorMessage.includes('conflict') ||
errorMessage.includes('patch does not apply');
if (isConflict) {
const status = await git.status().catch(() => ({ conflicted: [] }));
return {
success: false,
conflict: true,
conflictFiles: status.conflicted || [],
};
}
console.error('Failed to cherry-pick:', error);
throw error;
}
}
export async function revertCommit(directory, hash) {
if (!isValidCommitHash(hash)) {
throw new Error('Invalid commit hash');
}
const { git } = await createRepositoryGitContext(directory);
try {
await git.raw(['revert', '--no-commit', hash]);
return { success: true, conflict: false };
} catch (error) {
const errorMessage = String(error?.message || error || '').toLowerCase();
const isConflict =
errorMessage.includes('conflict') ||
errorMessage.includes('revert failed');
if (isConflict) {
const status = await git.status().catch(() => ({ conflicted: [] }));
return {
success: false,
conflict: true,
conflictFiles: status.conflicted || [],
};
}
console.error('Failed to revert commit:', error);
throw error;
}
}
export async function resetToCommit(directory, hash, mode, force = false) {
if (!isValidCommitHash(hash)) {
throw new Error('Invalid commit hash');
}
const { git } = await createRepositoryGitContext(directory);
if (mode === 'hard' && !force) {
const status = await git.status();
const isDirty = !status.isClean();
if (isDirty) {
throw new Error('Cannot hard reset: uncommitted changes in working tree. Stash or commit first, or use force.');
}
}
try {
await git.raw(['reset', `--${mode}`, hash]);
return { success: true };
} catch (error) {
console.error('Failed to reset to commit:', error);
throw error;
}
}
export async function getWorktrees(directory) {
const directoryPath = normalizeDirectoryPath(directory);
if (!directoryPath || !fs.existsSync(directoryPath)) {
return [];
}
try {
const directoryGit = await createGit(directoryPath);
const repoRoot = await resolveGitRepositoryRoot(directoryPath, directoryGit);
const result = await runGitCommandOrThrow(
repoRoot,
['worktree', 'list', '--porcelain'],
'Failed to list git worktrees'
);
return parseWorktreePorcelain(result.stdout).map((entry) => ({
head: entry.head || '',
name: path.basename(entry.worktree || ''),
branch: entry.branch || '',
path: entry.worktree,
prunable: entry.prunable === true,
}));
} catch (error) {
// Worktrees are an optional feature. When the caller passes a directory
// that is not inside any git repository (for example, the managed
// OpenCode's working directory or an unconfigured project path), git
// exits with "fatal: not a git repository ...". Treat that as an
// authoritative empty result so the route handler can still respond
// 200 [] and the desktop main.log stays free of noise.
if (!isNotGitRepositoryError(error)) {
console.warn('Failed to list worktrees, returning empty list:', error?.message || error);
}
return [];
}
}
export async function validateWorktreeCreate(directory, input = {}) {
const mode = input?.mode === 'existing' ? 'existing' : 'new';
const errors = [];
try {
const context = await resolveWorktreeProjectContext(directory);
const preferredBranchName = cleanBranchName(String(input?.branchName || '').trim());
const startRef = normalizeStartRef(input?.startRef);
const ensureRemoteName = String(input?.ensureRemoteName || '').trim();
const ensureRemoteUrl = String(input?.ensureRemoteUrl || '').trim();
let localBranch = '';
let inferredUpstream = null;
if (mode === 'existing') {
try {
const resolved = await resolveExistingWorktreeSource(context.primaryWorktree, input, 'validate');
localBranch = resolved.localBranch || '';
if (resolved.upstream) {
inferredUpstream = {
remote: resolved.upstream.remote,
branch: resolved.upstream.branch,
};
}
} catch (error) {
errors.push({
code: 'branch_not_found',
message: error instanceof Error ? error.message : 'Existing branch not found',
});
}
} else {
if (preferredBranchName) {
const exists = await runGitCommand(context.primaryWorktree, ['show-ref', '--verify', '--quiet', `refs/heads/${preferredBranchName}`]);
if (exists.success) {
errors.push({
code: 'branch_exists',
message: `Branch already exists: ${preferredBranchName}`,
});
}
localBranch = preferredBranchName;
}
const parsedRemoteRef = await resolveRemoteBranchRef(context.primaryWorktree, startRef);
if (startRef && startRef !== 'HEAD') {
if (parsedRemoteRef && ensureRemoteName && ensureRemoteUrl && ensureRemoteName === parsedRemoteRef.remote) {
const remoteCheck = await checkRemoteBranchExists(
context.primaryWorktree,
parsedRemoteRef.remote,
parsedRemoteRef.branch,
ensureRemoteUrl
);
if (!remoteCheck.success) {
errors.push({
code: 'remote_unreachable',
message: `Unable to query remote ${ensureRemoteName}`,
});
} else if (!remoteCheck.found) {
errors.push({
code: 'start_ref_not_found',
message: `Remote branch not found: ${parsedRemoteRef.remoteRef}`,
});
}
} else if (parsedRemoteRef) {
const remoteCheck = await checkRemoteBranchExists(
context.primaryWorktree,
parsedRemoteRef.remote,
parsedRemoteRef.branch
);
if (!remoteCheck.success) {
errors.push({
code: 'remote_unreachable',
message: `Unable to query remote ${parsedRemoteRef.remote}`,
});
} else if (!remoteCheck.found) {
errors.push({
code: 'start_ref_not_found',
message: `Remote branch not found: ${parsedRemoteRef.remoteRef}`,
});
}
} else {
const startRefExists = await runGitCommand(context.primaryWorktree, ['rev-parse', '--verify', '--quiet', startRef]);
if (!startRefExists.success) {
errors.push({
code: 'start_ref_not_found',
message: `Start ref not found: ${startRef}`,
});
}
}
}
if (parsedRemoteRef) {
inferredUpstream = {
remote: parsedRemoteRef.remote,
branch: parsedRemoteRef.branch,
};
}
}
if (localBranch) {
const inUse = await findBranchInUse(context.primaryWorktree, localBranch);
if (inUse) {
errors.push({
code: 'branch_in_use',
message: `Branch is already checked out in ${inUse.worktree}`,
});
}
}
if ((ensureRemoteName && !ensureRemoteUrl) || (!ensureRemoteName && ensureRemoteUrl)) {
errors.push({
code: 'invalid_remote_config',
message: 'Both ensureRemoteName and ensureRemoteUrl are required together',
});
}
const shouldSetUpstream = Boolean(input?.setUpstream);
if (shouldSetUpstream) {
const upstreamRemote = String(input?.upstreamRemote || inferredUpstream?.remote || '').trim();
const upstreamBranch = String(input?.upstreamBranch || inferredUpstream?.branch || '').trim();
if (!upstreamRemote || !upstreamBranch) {
errors.push({
code: 'upstream_incomplete',
message: 'upstreamRemote and upstreamBranch are required when setUpstream is true',
});
} else {
const remoteExists = await runGitCommand(context.primaryWorktree, ['remote', 'get-url', upstreamRemote]);
if (!remoteExists.success && (!ensureRemoteName || ensureRemoteName !== upstreamRemote)) {
errors.push({
code: 'remote_not_found',
message: `Remote not found: ${upstreamRemote}`,
});
}
}
}
return {
ok: errors.length === 0,
errors,
resolved: {
mode,
localBranch: localBranch || null,
},
};
} catch (error) {
return {
ok: false,
errors: [{
code: 'validation_failed',
message: error instanceof Error ? error.message : 'Failed to validate worktree creation',
}],
};
}
}
const assertWorktreeCreatePreflight = async (directory, input = {}) => {
const validation = await validateWorktreeCreate(directory, input);
if (validation?.ok) {
return;
}
const message = validation?.errors
?.map((error) => error?.message)
.filter(Boolean)
.join('\n') || 'Failed to validate worktree creation';
throw new Error(message);
};
export async function previewWorktreeCreate(directory, input = {}) {
const mode = input?.mode === 'existing' ? 'existing' : 'new';
const context = await resolveWorktreeProjectContext(directory);
await fsp.mkdir(context.worktreeRoot, { recursive: true });
const preferredName = String(input?.worktreeName || input?.name || '').trim();
const preferredBranchName = cleanBranchName(String(input?.branchName || '').trim());
const candidate = await resolveCandidateDirectory(
context.worktreeRoot,
preferredName,
mode === 'new' && preferredBranchName ? preferredBranchName : '',
context.primaryWorktree
);
return {
name: candidate.name,
branch: mode === 'new' ? candidate.branch : preferredBranchName,
path: candidate.directory,
};
}
async function attachGitWorktreeToCandidate(context, candidate, input = {}) {
const mode = input?.mode === 'existing' ? 'existing' : 'new';
const startRef = normalizeStartRef(input?.startRef);
let ensureRemoteName = String(input?.ensureRemoteName || '').trim();
let ensureRemoteUrl = String(input?.ensureRemoteUrl || '').trim();
let localBranch = '';
let inferredUpstream = null;
let shouldSetUpstream = Boolean(input?.setUpstream);
const worktreeAddArgs = ['worktree', 'add', '--no-checkout'];
if (mode === 'existing') {
const resolved = await resolveExistingWorktreeSource(context.primaryWorktree, input, 'create');
localBranch = resolved.localBranch;
shouldSetUpstream = resolved.setUpstream;
const inUse = await findBranchInUse(context.primaryWorktree, localBranch);
if (inUse) {
throw new Error(`Branch is already checked out in ${inUse.worktree}`);
}
if (resolved.createLocalBranch) {
worktreeAddArgs.push('-b', localBranch);
}
worktreeAddArgs.push(candidate.directory, resolved.checkoutRef);
if (resolved.upstream) {
inferredUpstream = {
remote: resolved.upstream.remote,
branch: resolved.upstream.branch,
};
}
} else {
localBranch = candidate.branch;
if (!localBranch) {
throw new Error('Failed to resolve branch name for new worktree');
}
const branchExists = await runGitCommand(context.primaryWorktree, ['show-ref', '--verify', '--quiet', `refs/heads/${localBranch}`]);
if (branchExists.success) {
throw new Error(`Branch already exists: ${localBranch}`);
}
const inUse = await findBranchInUse(context.primaryWorktree, localBranch);
if (inUse) {
throw new Error(`Branch is already checked out in ${inUse.worktree}`);
}
worktreeAddArgs.push('-b', localBranch, candidate.directory);
if (startRef && startRef !== 'HEAD') {
worktreeAddArgs.push(startRef);
}
const parsedRemoteStartRef = await resolveRemoteBranchRef(context.primaryWorktree, startRef);
if (parsedRemoteStartRef) {
worktreeAddArgs.splice(2, 0, '--no-track');
inferredUpstream = {
remote: parsedRemoteStartRef.remote,
branch: parsedRemoteStartRef.branch,
};
}
}
if (mode === 'existing' && ensureRemoteName && ensureRemoteUrl) {
await ensureRemoteWithUrl(context.primaryWorktree, ensureRemoteName, ensureRemoteUrl);
}
await runGitCommandOrThrow(context.primaryWorktree, worktreeAddArgs, 'Failed to create git worktree');
const upstreamRemote = shouldSetUpstream
? String(input?.upstreamRemote || inferredUpstream?.remote || '').trim()
: '';
const upstreamBranch = shouldSetUpstream
? String(input?.upstreamBranch || inferredUpstream?.branch || '').trim()
: '';
const bootstrapStatus = setWorktreeBootstrapState(
candidate.directory,
WORKTREE_BOOTSTRAP_PENDING,
WORKTREE_BOOTSTRAP_PHASE_DIRECTORY_CREATED
);
queueWorktreeBootstrap({
directory: candidate.directory,
projectID: context.projectID,
primaryWorktree: context.primaryWorktree,
localBranch,
setUpstream: shouldSetUpstream,
upstreamRemote,
upstreamBranch,
ensureRemoteName,
ensureRemoteUrl,
startCommand: input?.startCommand,
});
const headResult = await runGitCommand(candidate.directory, ['rev-parse', 'HEAD']);
const head = String(headResult.stdout || '').trim();
return {
head,
name: candidate.name,
branch: localBranch,
path: candidate.directory,
directoryCreated: true,
bootstrapStatus,
};
}
const prepareWorktreeCreateSource = async (context, input = {}) => {
if (input?.mode === 'existing') {
return { input, sourceFetchFailed: false };
}
const startRef = normalizeStartRef(input?.startRef);
const remoteStartRef = await resolveRemoteBranchRef(context.primaryWorktree, startRef);
if (!remoteStartRef) {
return { input, sourceFetchFailed: false };
}
const status = await getStatus(context.primaryWorktree, { mode: 'light' }).catch(() => null);
const trackingRef = status?.tracking
? await resolveRemoteBranchRef(context.primaryWorktree, status.tracking)
: null;
const canFallbackToLocal = Boolean(
status?.current
&& status.ahead === 0
&& trackingRef?.fullRef === remoteStartRef.fullRef
);
try {
await fetchRemoteBranchRef(context.primaryWorktree, remoteStartRef.remote, remoteStartRef.branch);
return { input, sourceFetchFailed: false };
} catch (error) {
if (canFallbackToLocal) {
return {
input: { ...input, startRef: status.current },
sourceFetchFailed: true,
};
}
const refExists = await runGitCommand(
context.primaryWorktree,
['show-ref', '--verify', '--quiet', remoteStartRef.fullRef]
);
if (!refExists.success) {
throw error;
}
console.warn(`Worktree create: failed to refresh ${remoteStartRef.remote}/${remoteStartRef.branch}, proceeding with the existing remote-tracking ref`);
return { input, sourceFetchFailed: false };
}
};
export async function createWorktree(directory, input = {}) {
const mode = input?.mode === 'existing' ? 'existing' : 'new';
const context = await resolveWorktreeProjectContext(directory);
if (input?.returnAfterDirectoryCreated === true) {
await assertWorktreeCreatePreflight(directory, input);
}
const ensureRemoteName = String(input?.ensureRemoteName || '').trim();
const ensureRemoteUrl = String(input?.ensureRemoteUrl || '').trim();
if (ensureRemoteName && ensureRemoteUrl) {
await ensureRemoteWithUrl(context.primaryWorktree, ensureRemoteName, ensureRemoteUrl);
}
const prepared = await prepareWorktreeCreateSource(context, input);
const preparedInput = prepared.input;
await fsp.mkdir(context.worktreeRoot, { recursive: true });
const preferredName = String(preparedInput?.worktreeName || preparedInput?.name || '').trim();
const preferredBranchName = cleanBranchName(String(preparedInput?.branchName || '').trim());
const candidate = await resolveCandidateDirectory(
context.worktreeRoot,
preferredName,
mode === 'new' && preferredBranchName ? preferredBranchName : '',
context.primaryWorktree
);
if (preparedInput?.returnAfterDirectoryCreated === true) {
await fsp.mkdir(candidate.directory, { recursive: false });
const bootstrapStatus = setWorktreeBootstrapState(
candidate.directory,
WORKTREE_BOOTSTRAP_PENDING,
WORKTREE_BOOTSTRAP_PHASE_DIRECTORY_CREATED
);
const localBranch = mode === 'existing'
? cleanBranchName(String(preparedInput?.branchName || preparedInput?.existingBranch || candidate.branch || '').trim())
: candidate.branch;
const task = attachGitWorktreeToCandidate(context, candidate, preparedInput).catch(async (error) => {
setWorktreeBootstrapState(
candidate.directory,
WORKTREE_BOOTSTRAP_FAILED,
WORKTREE_BOOTSTRAP_PHASE_DIRECTORY_CREATED,
error instanceof Error ? error.message : String(error)
);
await cleanupFailedFastWorktreeCreate(context, candidate);
console.warn('Background worktree creation failed:', error instanceof Error ? error.message : String(error));
});
trackWorktreeBootstrapTask(candidate.directory, task);
const result = {
head: '',
name: candidate.name,
branch: localBranch,
path: candidate.directory,
directoryCreated: true,
bootstrapStatus,
};
if (prepared.sourceFetchFailed) {
result.sourceFetchFailed = true;
}
return result;
}
const result = await attachGitWorktreeToCandidate(context, candidate, preparedInput);
return prepared.sourceFetchFailed ? { ...result, sourceFetchFailed: true } : result;
}
export async function getWorktreeBootstrapStatus(directory) {
const key = toBootstrapStateKey(directory);
if (!key) {
throw new Error('Worktree directory is required');
}
const current = worktreeBootstrapState.get(key);
if (current) {
return current;
}
return createWorktreeBootstrapState(
WORKTREE_BOOTSTRAP_READY,
WORKTREE_BOOTSTRAP_PHASE_SETUP_READY
);
}
export async function removeWorktree(directory, input = {}) {
const targetDirectory = normalizeDirectoryPath(input?.directory);
if (!targetDirectory) {
throw new Error('Worktree directory is required');
}
await waitForActiveWorktreeBootstrap(targetDirectory);
const context = await resolveWorktreeProjectContext(directory);
const deleteLocalBranch = input?.deleteLocalBranch === true;
const targetCanonical = await canonicalPath(targetDirectory);
const primaryCanonical = await canonicalPath(context.primaryWorktree);
if (targetCanonical === primaryCanonical) {
throw new Error('Cannot remove the primary workspace');
}
const worktreeRootCanonical = await canonicalPath(context.worktreeRoot);
const entries = await listWorktreeEntries(context.primaryWorktree);
const matchedEntry = await (async () => {
for (const entry of entries) {
if (!entry?.worktree) {
continue;
}
const entryCanonical = await canonicalPath(entry.worktree);
if (entryCanonical === targetCanonical) {
return entry;
}
}
return null;
})();
if (!matchedEntry?.worktree) {
const isManagedOrphan = targetCanonical !== worktreeRootCanonical
&& isInsideOrSameDirectory(worktreeRootCanonical, targetCanonical);
const targetExists = await checkPathExists(targetDirectory);
if (targetExists && isManagedOrphan) {
await fsp.rm(targetDirectory, { recursive: true, force: true });
}
clearWorktreeBootstrapState(targetDirectory);
return true;
}
await runGitCommandOrThrow(
context.primaryWorktree,
['worktree', 'remove', '--force', matchedEntry.worktree],
'Failed to remove git worktree'
);
if (deleteLocalBranch) {
const branchName = cleanBranchName(String(matchedEntry.branchRef || matchedEntry.branch || '').trim());
if (branchName) {
await runGitCommandOrThrow(
context.primaryWorktree,
['branch', '-D', branchName],
`Failed to delete local branch ${branchName}`
);
}
}
clearWorktreeBootstrapState(matchedEntry.worktree);
return true;
}
export async function deleteBranch(directory, branch, options = {}) {
const { git } = await createRepositoryGitContext(directory);
try {
const branchName = branch.startsWith('refs/heads/')
? branch.substring('refs/heads/'.length)
: branch;
const args = ['branch', options.force ? '-D' : '-d', branchName];
await git.raw(args);
return { success: true };
} catch (error) {
console.error('Failed to delete branch:', error);
throw error;
}
}
/**
* Resolve a log base ref using local-first semantics.
*
* - If `from` is falsy / whitespace → return undefined.
* - If the local ref resolves → return it unchanged (caller's intent preserved).
* - If the local ref is absent but `origin/<from>` exists → return `origin/<from>`
* (common when the user has never checked out the base branch locally).
* - If neither resolves → return `from` unchanged so git surfaces a meaningful error.
*
* @param {string | undefined} from - The raw `from` option value.
* @param {(ref: string) => Promise<boolean>} checkRef - Returns true when the ref resolves.
* @returns {Promise<string | undefined>}
*/
export async function resolveBaseRefForLog(from, checkRef) {
const normalized = typeof from === 'string' ? from.trim() : undefined;
if (!normalized) return undefined;
if (await checkRef(normalized)) return normalized;
const originRef = `refs/remotes/origin/${normalized}`;
if (await checkRef(originRef)) return `origin/${normalized}`;
return normalized;
}
export async function getLog(directory, options = {}) {
const { directoryPath, directoryGit, repoRoot, git } = await createRepositoryGitContext(directory);
try {
const maxCount = options.maxCount || 50;
if (options.all) {
const logArgs = [
'log',
`--max-count=${maxCount}`,
'--all',
'--topo-order',
'--date=iso',
'--pretty=format:%x1e%H%x1f%P%x1f%an%x1f%ae%x1f%ad%x1f%s%x1f%D',
'--shortstat',
];
const rawLog = await git.raw(logArgs);
const records = rawLog
.split('\x1e')
.map((e) => e.trim())
.filter(Boolean);
const entries = [];
for (const record of records) {
const lines = record.split('\n').filter((l) => l.trim().length > 0);
const header = lines.shift() || '';
const [hash, parentsRaw, author_name, author_email, date, message, refsRaw] =
header.split('\x1f');
if (!hash) continue;
const parents = parentsRaw ? parentsRaw.trim().split(' ').filter(Boolean) : [];
const refs = refsRaw ? refsRaw.trim() : '';
let filesChanged = 0;
let insertions = 0;
let deletions = 0;
for (const line of lines) {
const filesMatch = line.match(/(\d+)\s+files?\s+changed/);
const insertMatch = line.match(/(\d+)\s+insertions?\(\+\)/);
const deleteMatch = line.match(/(\d+)\s+deletions?\(-\)/);
if (filesMatch) filesChanged = parseInt(filesMatch[1], 10);
if (insertMatch) insertions = parseInt(insertMatch[1], 10);
if (deleteMatch) deletions = parseInt(deleteMatch[1], 10);
}
entries.push({
hash,
date: date || '',
message: message || '',
refs,
body: '',
author_name: author_name || '',
author_email: author_email || '',
filesChanged,
insertions,
deletions,
parents,
});
}
return { all: entries, latest: entries[0] || null, total: entries.length };
}
const filePath = options.file
? (await resolveGitFileContext(directoryPath, directoryGit, options.file, repoRoot)).repoPath
: undefined;
// Prefer the local ref; fall back to origin/<from> only when the local ref
// cannot be resolved (e.g. user has never checked out the base branch).
const checkRef = async (ref) => {
try {
const out = await git.raw(['rev-parse', '--verify', ref]);
return Boolean(out && out.trim());
} catch {
return false;
}
};
const resolvedFrom = await resolveBaseRefForLog(options.from, checkRef);
const baseLog = await git.log({
maxCount,
from: resolvedFrom,
to: options.to,
file: filePath
});
const logArgs = [
'log',
`--max-count=${maxCount}`,
'--date=iso',
'--pretty=format:%x1e%H%x1f%P%x1f%an%x1f%ae%x1f%ad%x1f%s',
'--shortstat'
];
if (resolvedFrom && options.to) {
logArgs.push(`${resolvedFrom}..${options.to}`);
} else if (resolvedFrom) {
logArgs.push(`${resolvedFrom}..HEAD`);
} else if (options.to) {
logArgs.push(options.to);
}
if (filePath) {
logArgs.push('--', filePath);
}
const rawLog = await git.raw(logArgs);
const records = rawLog
.split('\x1e')
.map((entry) => entry.trim())
.filter(Boolean);
const statsMap = new Map();
records.forEach((record) => {
const lines = record.split('\n').filter((line) => line.trim().length > 0);
const header = lines.shift() || '';
const [hash, parentsRaw] = header.split('\x1f');
const parents = parentsRaw ? parentsRaw.trim().split(' ').filter(Boolean) : [];
if (!hash) {
return;
}
let filesChanged = 0;
let insertions = 0;
let deletions = 0;
lines.forEach((line) => {
const filesMatch = line.match(/(\d+)\s+files?\s+changed/);
const insertMatch = line.match(/(\d+)\s+insertions?\(\+\)/);
const deleteMatch = line.match(/(\d+)\s+deletions?\(-\)/);
if (filesMatch) {
filesChanged = parseInt(filesMatch[1], 10);
}
if (insertMatch) {
insertions = parseInt(insertMatch[1], 10);
}
if (deleteMatch) {
deletions = parseInt(deleteMatch[1], 10);
}
});
statsMap.set(hash, { filesChanged, insertions, deletions, parents });
});
const merged = baseLog.all.map((entry) => {
const stats = statsMap.get(entry.hash) || { filesChanged: 0, insertions: 0, deletions: 0, parents: [] };
return {
hash: entry.hash,
date: entry.date,
message: entry.message,
refs: entry.refs || '',
body: entry.body || '',
author_name: entry.author_name,
author_email: entry.author_email,
filesChanged: stats.filesChanged,
insertions: stats.insertions,
deletions: stats.deletions,
parents: stats.parents || [],
};
});
return {
all: merged,
latest: merged[0] || null,
total: baseLog.total
};
} catch (error) {
console.error('Failed to get log:', error);
throw error;
}
}
export async function isLinkedWorktree(directory) {
const git = await createGit(directory);
try {
const [gitDir, gitCommonDir] = await Promise.all([
git.raw(['rev-parse', '--git-dir']).then((output) => output.trim()),
git.raw(['rev-parse', '--git-common-dir']).then((output) => output.trim())
]);
return gitDir !== gitCommonDir;
} catch (error) {
console.error('Failed to determine worktree type:', error);
return false;
}
}
export async function validateWorktreeDirectory(directory, worktreeRoot) {
const directoryPath = normalizeDirectoryPath(directory);
const rootPath = normalizeDirectoryPath(worktreeRoot);
if (!directoryPath || !rootPath) {
return {
valid: false,
insideWorktreeRoot: false,
resolvedWorktreeRoot: null,
resolvedCwd: null,
};
}
const isRepo = await isGitRepository(directoryPath);
if (!isRepo) {
return {
valid: false,
insideWorktreeRoot: false,
resolvedWorktreeRoot: null,
resolvedCwd: null,
};
}
const resolvedCwd = await canonicalPath(directoryPath);
const resolvedRoot = await canonicalPath(rootPath);
const inside = resolvedCwd.startsWith(resolvedRoot + path.sep) || resolvedCwd === resolvedRoot;
return {
valid: true,
insideWorktreeRoot: inside,
resolvedWorktreeRoot: resolvedRoot,
resolvedCwd,
};
}
export async function canonicalizeWorktreeState(directory) {
const directoryPath = normalizeDirectoryPath(directory);
if (!directoryPath) {
return {
worktreeRoot: null,
cwd: null,
branch: null,
headState: 'detached',
worktreeStatus: 'not-a-repo',
legacy: false,
degraded: false,
attentionReason: null,
};
}
const isRepo = await isGitRepository(directoryPath);
if (!isRepo) {
return {
worktreeRoot: null,
cwd: null,
branch: null,
headState: 'detached',
worktreeStatus: 'not-a-repo',
legacy: false,
degraded: false,
attentionReason: null,
};
}
const cwd = await canonicalPath(directoryPath);
const git = await createGit(directoryPath);
const repoRoot = await resolveGitRepositoryRoot(directoryPath, git).catch(() => directoryPath);
let worktreeRoot = null;
let worktreeStatus = 'ready';
let headState = /** @type {'branch' | 'detached' | 'unborn'} */ ('branch');
let branch = null;
let attentionReason = /** @type {'merge' | 'rebase' | 'cherry-pick' | 'revert' | 'bisect' | null} */ (null);
try {
const context = await resolveWorktreeProjectContext(directoryPath);
worktreeRoot = await canonicalPath(context.worktreeRoot);
} catch {
worktreeStatus = 'invalid';
}
try {
const symbolicRef = await git.raw(['symbolic-ref', '-q', 'HEAD']).catch(() => '');
if (symbolicRef.trim()) {
headState = 'branch';
branch = cleanBranchName(symbolicRef.trim());
} else {
const revParse = await git.raw(['rev-parse', 'HEAD']).catch(() => '');
if (!revParse.trim()) {
headState = 'unborn';
branch = null;
} else {
headState = 'detached';
branch = revParse.trim().slice(0, 7);
}
}
} catch {
headState = 'unborn';
branch = null;
}
// Detect attention reasons from getStatus side-effects
try {
const status = await git.status(['-uall']);
if (status.current && (await git.raw(['rev-parse', '--verify', 'MERGE_HEAD']).then(() => true).catch(() => false))) {
attentionReason = 'merge';
} else {
const rebaseMergePath = await resolveGitInternalPath(repoRoot, git, 'rebase-merge').catch(() => '');
const rebaseApplyPath = await resolveGitInternalPath(repoRoot, git, 'rebase-apply').catch(() => '');
const rebaseMerge = rebaseMergePath ? await fsp.stat(rebaseMergePath).then(() => true).catch(() => false) : false;
const rebaseApply = rebaseApplyPath ? await fsp.stat(rebaseApplyPath).then(() => true).catch(() => false) : false;
if (rebaseMerge || rebaseApply) {
attentionReason = 'rebase';
} else if (status.conflicted && status.conflicted.length > 0) {
const cherryPickHeadPath = await resolveGitInternalPath(repoRoot, git, 'CHERRY_PICK_HEAD').catch(() => '');
const revertHeadPath = await resolveGitInternalPath(repoRoot, git, 'REVERT_HEAD').catch(() => '');
const cherryPickHead = cherryPickHeadPath ? await fsp.stat(cherryPickHeadPath).then(() => true).catch(() => false) : false;
const revertHead = revertHeadPath ? await fsp.stat(revertHeadPath).then(() => true).catch(() => false) : false;
if (cherryPickHead) attentionReason = 'cherry-pick';
else if (revertHead) attentionReason = 'revert';
}
}
} catch {
// Status check failed — ignore
}
return {
worktreeRoot,
cwd,
branch,
headState,
worktreeStatus,
legacy: false,
degraded: false,
attentionReason,
};
}
export async function getCommitFiles(directory, commitHash) {
const { git } = await createRepositoryGitContext(directory);
try {
const numstatRaw = await git.raw([
'show',
'--numstat',
'--format=',
commitHash
]);
const files = [];
const lines = numstatRaw.trim().split('\n').filter(Boolean);
for (const line of lines) {
const parts = line.split('\t');
if (parts.length < 3) continue;
const [insertionsRaw, deletionsRaw, ...pathParts] = parts;
const filePath = pathParts.join('\t');
if (!filePath) continue;
const insertions = insertionsRaw === '-' ? 0 : parseInt(insertionsRaw, 10) || 0;
const deletions = deletionsRaw === '-' ? 0 : parseInt(deletionsRaw, 10) || 0;
const isBinary = insertionsRaw === '-' && deletionsRaw === '-';
let changeType = 'M';
let displayPath = filePath;
if (filePath.includes(' => ')) {
changeType = 'R';
const match = filePath.match(/(?:\{[^}]*\s=>\s[^}]*\}|.*\s=>\s.*)/);
if (match) {
displayPath = filePath;
}
}
files.push({
path: displayPath,
insertions,
deletions,
isBinary,
changeType
});
}
const nameStatusRaw = await git.raw([
'show',
'--name-status',
'--format=',
commitHash
]).catch(() => '');
const statusMap = new Map();
const statusLines = nameStatusRaw.trim().split('\n').filter(Boolean);
for (const line of statusLines) {
const match = line.match(/^([AMDRC])\d*\t(.+)$/);
if (match) {
const [, status, pathPart] = match;
statusMap.set(extractGitStatusPath(status, pathPart), status);
}
}
for (const file of files) {
const basePath = extractGitNumstatDestinationPath(file.path);
const status = statusMap.get(basePath) || statusMap.get(file.path);
if (status) {
file.changeType = status;
}
}
return { files };
} catch (error) {
console.error('Failed to get commit files:', error);
throw error;
}
}
export async function renameBranch(directory, oldName, newName) {
const { git, repoRoot } = await createRepositoryGitContext(directory);
try {
const normalizedOldName = cleanBranchName(String(oldName || '').trim());
const normalizedNewName = cleanBranchName(String(newName || '').trim());
const previousRemote = await git
.raw(['config', '--get', `branch.${normalizedOldName}.remote`])
.then((value) => String(value || '').trim())
.catch(() => '');
const previousMerge = await git
.raw(['config', '--get', `branch.${normalizedOldName}.merge`])
.then((value) => String(value || '').trim())
.catch(() => '');
// Use git branch -m command to rename the branch
await git.raw(['branch', '-m', oldName, newName]);
if (previousRemote && previousMerge && normalizedNewName) {
const previousMergeBranch = cleanBranchName(previousMerge);
const nextMergeBranch =
previousMergeBranch === normalizedOldName
? normalizedNewName
: previousMergeBranch;
const upstream = normalizeUpstreamTarget(previousRemote, nextMergeBranch);
if (upstream) {
try {
await runGitCommandOrThrow(
repoRoot,
['branch', `--set-upstream-to=${upstream.full}`, normalizedNewName],
`Failed to set upstream to ${upstream.full}`
);
} catch {
// Leave tracking unset rather than writing config for a missing ref.
}
}
}
return { success: true, branch: newName };
} catch (error) {
console.error('Failed to rename branch:', error);
throw error;
}
}
export async function getRemotes(directory) {
const { git } = await createRepositoryGitContext(directory);
try {
const remotes = await git.getRemotes(true);
return remotes.map((remote) => ({
name: remote.name,
fetchUrl: remote.refs.fetch,
pushUrl: remote.refs.push
}));
} catch (error) {
if (isNotGitRepositoryError(error)) {
return [];
}
console.error('Failed to get remotes:', error);
throw error;
}
}
export async function removeRemote(directory, options = {}) {
const remoteName = String(options.remote || '').trim();
if (!remoteName) {
throw new Error('remote is required to remove a remote');
}
if (remoteName === 'origin') {
throw new Error('Cannot remove origin remote');
}
const { git } = await createRepositoryGitContext(directory);
try {
await git.removeRemote(remoteName);
return { success: true };
} catch (error) {
console.error('Failed to remove remote:', error);
throw error;
}
}
export async function rebase(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
try {
const { onto } = options;
if (!onto) {
throw new Error('onto parameter is required for rebase');
}
await git.rebase([onto]);
return {
success: true,
conflict: false
};
} catch (error) {
const errorMessage = String(error?.message || error || '').toLowerCase();
const isConflict = errorMessage.includes('conflict') ||
errorMessage.includes('could not apply') ||
errorMessage.includes('merge conflict');
if (isConflict) {
// Get list of conflicted files
const status = await git.status().catch(() => ({ conflicted: [] }));
return {
success: false,
conflict: true,
conflictFiles: status.conflicted || []
};
}
console.error('Failed to rebase:', error);
throw error;
}
}
export async function abortRebase(directory) {
const { git } = await createRepositoryGitContext(directory);
try {
await git.rebase(['--abort']);
return { success: true };
} catch (error) {
console.error('Failed to abort rebase:', error);
throw error;
}
}
export async function merge(directory, options = {}) {
const { git } = await createRepositoryGitContext(directory);
try {
const { branch } = options;
if (!branch) {
throw new Error('branch parameter is required for merge');
}
await git.merge([branch]);
return {
success: true,
conflict: false
};
} catch (error) {
const errorMessage = String(error?.message || error || '').toLowerCase();
const isConflict = errorMessage.includes('conflict') ||
errorMessage.includes('merge conflict') ||
errorMessage.includes('automatic merge failed');
if (isConflict) {
// Get list of conflicted files
const status = await git.status().catch(() => ({ conflicted: [] }));
return {
success: false,
conflict: true,
conflictFiles: status.conflicted || []
};
}
console.error('Failed to merge:', error);
throw error;
}
}
export async function abortMerge(directory) {
const { git } = await createRepositoryGitContext(directory);
try {
await git.merge(['--abort']);
return { success: true };
} catch (error) {
console.error('Failed to abort merge:', error);
throw error;
}
}
export async function continueRebase(directory) {
const { git } = await createRepositoryGitContext(directory);
try {
// Set GIT_EDITOR to prevent editor prompts
await git.env('GIT_EDITOR', 'true').rebase(['--continue']);
return { success: true, conflict: false };
} catch (error) {
const errorMessage = String(error?.message || error || '').toLowerCase();
const isConflict = errorMessage.includes('conflict') ||
errorMessage.includes('needs merge') ||
errorMessage.includes('unmerged') ||
errorMessage.includes('fix conflicts');
if (isConflict) {
const status = await git.status().catch(() => ({ conflicted: [] }));
return {
success: false,
conflict: true,
conflictFiles: status.conflicted || []
};
}
// Check for "nothing to commit" which means rebase step is complete
if (errorMessage.includes('nothing to commit') || errorMessage.includes('no changes')) {
// Skip this commit and continue
try {
await git.env('GIT_EDITOR', 'true').rebase(['--skip']);
return { success: true, conflict: false };
} catch {
// If skip also fails, the rebase may be complete
return { success: true, conflict: false };
}
}
console.error('Failed to continue rebase:', error);
throw error;
}
}
export async function continueMerge(directory) {
const { git } = await createRepositoryGitContext(directory);
try {
// Check if there are still unmerged files
const status = await git.status();
if (status.conflicted && status.conflicted.length > 0) {
return {
success: false,
conflict: true,
conflictFiles: status.conflicted
};
}
// For merge, we commit after resolving conflicts
// Use --no-edit to use the default merge commit message
await git.env('GIT_EDITOR', 'true').commit([], { '--no-edit': null });
return { success: true, conflict: false };
} catch (error) {
const errorMessage = String(error?.message || error || '').toLowerCase();
const isConflict = errorMessage.includes('conflict') ||
errorMessage.includes('needs merge') ||
errorMessage.includes('unmerged') ||
errorMessage.includes('fix conflicts');
if (isConflict) {
const status = await git.status().catch(() => ({ conflicted: [] }));
return {
success: false,
conflict: true,
conflictFiles: status.conflicted || []
};
}
// "nothing to commit" can happen if all conflicts resolved to one side
if (errorMessage.includes('nothing to commit') || errorMessage.includes('no changes added')) {
// The merge is effectively complete (all changes already committed or no changes needed)
return { success: true, conflict: false };
}
console.error('Failed to continue merge:', error);
throw error;
}
}
export async function getConflictDetails(directory) {
const { repoRoot, git } = await createRepositoryGitContext(directory);
try {
// Get git status --porcelain
const statusPorcelain = await git.raw(['status', '--porcelain']).catch(() => '');
// Get unmerged files
const unmergedFilesRaw = await git.raw(['diff', '--name-only', '--diff-filter=U']).catch(() => '');
const unmergedFiles = unmergedFilesRaw
.split('\n')
.map((line) => line.trim())
.filter(Boolean);
// Get current diff
const diff = await git.raw(['diff']).catch(() => '');
// Detect operation type and get head info
let operation = 'merge';
let headInfo = '';
// Check for MERGE_HEAD (merge in progress)
const mergeHeadExists = await git
.raw(['rev-parse', '--verify', '--quiet', 'MERGE_HEAD'])
.then(() => true)
.catch(() => false);
if (mergeHeadExists) {
operation = 'merge';
const mergeHead = await git.raw(['rev-parse', 'MERGE_HEAD']).catch(() => '');
const mergeMsgPath = await resolveGitInternalPath(repoRoot, git, 'MERGE_MSG').catch(() => '');
const mergeMsg = mergeMsgPath ? await fsp.readFile(mergeMsgPath, 'utf8').catch(() => '') : '';
headInfo = `MERGE_HEAD: ${mergeHead.trim()}\n${mergeMsg}`;
} else {
// Check for REBASE_HEAD (rebase in progress)
const rebaseHeadExists = await git
.raw(['rev-parse', '--verify', '--quiet', 'REBASE_HEAD'])
.then(() => true)
.catch(() => false);
if (rebaseHeadExists) {
operation = 'rebase';
const rebaseHead = await git.raw(['rev-parse', 'REBASE_HEAD']).catch(() => '');
headInfo = `REBASE_HEAD: ${rebaseHead.trim()}`;
}
}
return {
statusPorcelain: statusPorcelain.trim(),
unmergedFiles,
diff: diff.trim(),
headInfo: headInfo.trim(),
operation,
};
} catch (error) {
console.error('Failed to get conflict details:', error);
throw error;
}
}
export async function getCommitFileDiff(directory, hash, filePath, isBinary) {
if (!directory || !hash || !filePath) {
throw new Error('directory, hash, and path are required for getCommitFileDiff');
}
if (isBinary) {
return { original: '', modified: '', isBinary: true };
}
const { directoryPath, repoRoot } = await createRepositoryGitContext(directory);
const candidates = Array.from(new Set([
toGitPath(path.relative(repoRoot, path.resolve(repoRoot, filePath))),
toGitPath(path.relative(repoRoot, path.resolve(directoryPath, filePath))),
])).filter((candidate) => candidate && !candidate.startsWith('..') && !path.isAbsolute(candidate));
let originalResult = null;
let modifiedResult = null;
for (const candidate of candidates) {
const [candidateOriginalResult, candidateModifiedResult] = await Promise.all([
runGitCommand(repoRoot, ['show', `${hash}^:${candidate}`]),
runGitCommand(repoRoot, ['show', `${hash}:${candidate}`]),
]);
if (candidateOriginalResult.success || candidateModifiedResult.success) {
originalResult = candidateOriginalResult;
modifiedResult = candidateModifiedResult;
break;
}
}
if (!originalResult || !modifiedResult) {
const resolvedPath = await resolveGitCommitFilePath(repoRoot, hash, candidates);
[originalResult, modifiedResult] = await Promise.all([
runGitCommand(repoRoot, ['show', `${hash}^:${resolvedPath}`]),
runGitCommand(repoRoot, ['show', `${hash}:${resolvedPath}`]),
]);
}
const original = originalResult.success ? originalResult.stdout : '';
const modified = modifiedResult.success ? modifiedResult.stdout : '';
if (!originalResult.success && !modifiedResult.success) {
throw new Error(`Failed to read file content at commit ${hash}: ${originalResult.stderr || modifiedResult.stderr}`);
}
return { original, modified, isBinary: false };
}