fix(worktrees): skip Git sweeps for missing repo folders

src/main/repo-worktrees.test.ts

@@ -1,9 +1,16 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
-const { listWorktreeGraphMock, listWorktreesMock, listWorktreesStrictMock } = vi.hoisted(() => ({
-  listWorktreeGraphMock: vi.fn(),
-  listWorktreesMock: vi.fn(),
-  listWorktreesStrictMock: vi.fn()
+const { listWorktreeGraphMock, listWorktreesMock, listWorktreesStrictMock, statMock } = vi.hoisted(
+  () => ({
+    listWorktreeGraphMock: vi.fn(),
+    listWorktreesMock: vi.fn(),
+    listWorktreesStrictMock: vi.fn(),
+    statMock: vi.fn()
+  })
+)
+
+vi.mock('./local-worktree-filesystem', () => ({
+  getLocalWorktreePathAccess: () => ({ statPath: statMock })
 }))
 
 vi.mock('./git/worktree', () => ({
@@ -23,11 +30,32 @@ import {
 } from './repo-worktrees'
 import { WorktreeCatalogUnavailableError } from '../shared/worktree/worktree-catalog-availability'
 
+const testGitRepo = {
+  id: 'repo-1',
+  path: '/workspace/repo',
+  displayName: 'repo',
+  badgeColor: '#000',
+  addedAt: 0,
+  kind: 'git' as const
+}
+
 describe('repo-worktrees', () => {
   beforeEach(() => {
     listWorktreeGraphMock.mockReset()
     listWorktreesMock.mockReset()
     listWorktreesStrictMock.mockReset()
+    statMock.mockReset().mockResolvedValue({})
+  })
+
+  it('skips Git on each missing-folder scan and resumes when the folder returns', async () => {
+    statMock.mockRejectedValueOnce(Object.assign(new Error('missing'), { code: 'ENOENT' }))
+    statMock.mockRejectedValueOnce(Object.assign(new Error('missing'), { code: 'ENOENT' }))
+    expect(await listRepoWorktreesForDetectedScan(testGitRepo)).toEqual([])
+    expect(await listRepoWorktreesForDetectedScan(testGitRepo)).toEqual([])
+    expect(listWorktreesStrictMock).not.toHaveBeenCalled()
+    listWorktreesStrictMock.mockResolvedValueOnce([])
+    await listRepoWorktreesForDetectedScan(testGitRepo)
+    expect(listWorktreesStrictMock).toHaveBeenCalledOnce()
   })
 
   it('creates a stable synthetic worktree for folder repos', () => {
@@ -100,17 +128,7 @@ describe('repo-worktrees', () => {
     ])
     const signal = new AbortController().signal
 
-    const result = await listRepoWorktrees(
-      {
-        id: 'repo-1',
-        path: '/workspace/repo',
-        displayName: 'repo',
-        badgeColor: '#000',
-        addedAt: 0,
-        kind: 'git'
-      },
-      { signal }
-    )
+    const result = await listRepoWorktrees(testGitRepo, { signal })
 
     expect(listWorktreesMock).toHaveBeenCalledWith('/workspace/repo', { signal })
     expect(result).toHaveLength(1)
@@ -122,14 +140,7 @@ describe('repo-worktrees', () => {
       { path: '/workspace/repo', head: 'abc', branch: '', isBare: false, isMainWorktree: true }
     ])
 
-    const result = await listRepoWorktreeGraph({
-      id: 'repo-1',
-      path: '/workspace/repo',
-      displayName: 'repo',
-      badgeColor: '#000',
-      addedAt: 0,
-      kind: 'git'
-    })
+    const result = await listRepoWorktreeGraph(testGitRepo)
 
     expect(listWorktreeGraphMock).toHaveBeenCalledWith('/workspace/repo')
     expect(listWorktreesMock).not.toHaveBeenCalled()
@@ -165,17 +176,10 @@ describe('repo-worktrees', () => {
     ])
     const signal = new AbortController().signal
 
-    const result = await listLocalRepoWorktreesStrict(
-      {
-        id: 'repo-1',
-        path: '/workspace/repo',
-        displayName: 'repo',
-        badgeColor: '#000',
-        addedAt: 0,
-        kind: 'git'
-      },
-      { signal, wslDistro: 'Ubuntu' }
-    )
+    const result = await listLocalRepoWorktreesStrict(testGitRepo, {
+      signal,
+      wslDistro: 'Ubuntu'
+    })
 
     expect(listWorktreesStrictMock).toHaveBeenCalledWith('/workspace/repo', {
       signal,

src/main/repo-worktrees.ts

@@ -12,6 +12,8 @@ import { getRepoExecutionHostId, LOCAL_EXECUTION_HOST_ID } from '../shared/execu
 import { resolveGitRouteForHost } from './providers/execution-host-provider-dispatch'
 import { areWorktreePathsEqual } from './ipc/worktree-logic'
 import { WorktreeCatalogUnavailableError } from '../shared/worktree/worktree-catalog-availability'
+import { isDefinitiveAbsence } from '../shared/definitive-filesystem-absence'
+import { getLocalWorktreePathAccess } from './local-worktree-filesystem'
 
 type LocalRepoWorktreeListOptions = {
   wslDistro?: string
@@ -61,7 +63,18 @@ export async function listRepoWorktreesForDetectedScan(
   repo: Repo,
   options?: LocalRepoWorktreeListOptions
 ): Promise<GitWorktreeInfo[]> {
-  return listRoutedRepoWorktrees(repo, options, listWorktreesSharedStrictAllowingTrueEmpty)
+  return listRoutedRepoWorktrees(repo, options, async (repoPath, localOptions) => {
+    try {
+      // The local route runs on the execution host, including the server for SSH repositories.
+      await getLocalWorktreePathAccess(localOptions).statPath(repoPath)
+    } catch (error) {
+      if (isDefinitiveAbsence(error)) {
+        return []
+      }
+      throw error
+    }
+    return listWorktreesSharedStrictAllowingTrueEmpty(repoPath, localOptions)
+  })
 }
 
 async function listRoutedRepoWorktrees(