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feat(git): resolve nested repositories in the other git surfaces

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Extract GitView's resolution flow into hooks/useNestedGitDirectory (root
probe, discovery, auto-select, stale-selection recovery) so the flow no
longer depends on SessionSidebar probing the root first, and reuse it in
the pull-request view, walkthrough view, and mobile changes surface —
all three now operate on the selected nested repository instead of
dead-ending on a non-repo root. Shared pending/failed/unsupported/empty
states live in git/NestedRepoResolutionStates; desktop changes inherits
the behavior through GitView. Selection stays shared per root, so the
picker's pick carries across surfaces.
This commit is contained in:
jaygupta17
2026-08-25 19:15:53 +05:30
parent 5e3f9d1ba2
commit cda273d69f
7 changed files with 315 additions and 130 deletions
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packages/ui/src/stores/DOCUMENTATION.md
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@@ -148,7 +148,7 @@ Important properties:
- loading state is per-directory, not global
- `ensureStatus()` and `ensureAll()` are the preferred entry points for consumers
- in-flight dedupe exists for status and `ensureAll()`
- nested repository discovery (`nestedReposByRoot`, `nestedRepoSelection`, `ensureNestedRepos`) is per-root state for roots that are not themselves git repositories; discovery failure is a `null` marker (never a valid empty result), selections are persisted per runtime + root, and `useEffectiveGitDirectory(root)` resolves the directory the Git tab operates on (`root` when the root is a repository, the selected nested repository otherwise)
- nested repository discovery (`nestedReposByRoot`, `nestedRepoSelection`, `ensureNestedRepos`) is per-root state for roots that are not themselves git repositories; discovery failure is a `null` marker (never a valid empty result), a runtime without the discovery route (VS Code) commits an `'unsupported'` marker, and an in-flight discovery whose runtime switched is discarded at commit time instead of repopulating the cleared map. Selections are persisted per runtime + root, and `useEffectiveGitDirectory(root)` resolves the directory git surfaces operate on (`root` when the root is a repository, the selected nested repository otherwise). `hooks/useNestedGitDirectory.ts` owns the resolution flow (root probe, discovery, auto-select, stale-selection recovery) for every consuming surface, and `git/NestedRepoResolutionStates.tsx` renders the shared pending/failed/unsupported/empty states
- runtime reset replaces all live entries with that runtime's persisted branch seeds and invalidates old completions
- status, branches, log, identity, repository probes, and prefetch diffs commit through runtime and per-channel generations
- status mutations advance a revision so older refreshes cannot undo optimistic or confirmed index changes