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fix(git): fix submodule init on workspace restart - #518
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- Fix swapped git.Open arguments at lines 112 and 136. The storer was
backed by the worktree root and the worktree arg was the .git/
filesystem. This made every workspace restart fail to detect the
existing repo, fall through to CloneContext, and hit
ErrRepositoryAlreadyExists. (AMREM-14)
- Clean up orphaned .git directory when CloneContext fails in
cloneSubmodule. Without this, one failed clone permanently poisons
the submodule directory: the next Stat(".git") takes the
already-cloned fast path and tries to Open a broken repo. (AMREM-16)
- Use openSubmoduleRepo in the already-cloned branch of
cloneSubmodule, removing the duplicate Chroot/NewStorage/Open
sequence. (AMREM-25)
- Rewrite extractHost to delegate to transport.NewEndpoint instead of
reimplementing SCP URL parsing with a separate regex. (AMREM-24)
- Include fetchErr in the "Direct fetch failed" log message so
operators see why the targeted fetch was rejected. (AMREM-22)
- Track warnings in initSubmodules and adjust the final log line so
it does not claim all submodules initialized successfully when
warnings were emitted. (AMREM-23)
- Correct the SameHost doc comment: port is ignored as a
simplification, not to match git credential helpers (which do
include port). (AMREM-27)
- Change "positive integer" to "non-negative integer (0 disables)"
in SubmoduleDepth docs and error messages, matching the actual
guard (n < 0). (AMREM-28)
- Cap SubmoduleDepth at 100 to bound runaway recursion. (AMREM-31)
- Document cross-protocol auth forwarding in submoduleAuthFor as
intentional. go-git rejects incompatible auth at the transport
layer. (AMREM-15)
- Fix test logf to use fmt.Fprintf so format args are expanded and
the warning check is not vacuously true. (AMREM-20)
- Fix TestCloneRepo/AlreadyCloned to produce a repo in the layout
CloneRepo expects (.git/ subdirectory) by cloning first, rather
than using gittest.NewRepo which writes objects at the root.
Skip the subtest when the test case expects the initial clone to
fail. (AMREM-14 test fix)mafredri
requested review from
bjornrobertsson and johnstcn
and removed request for
bjornrobertssonMay 22, 2026 09:11
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johnstcn
approved these changes
May 22, 2026
mafredri
marked this pull request as ready for review
May 22, 2026 09:18
If billyutil.RemoveAll fails to remove the orphaned .git directory, log a warning so the operator knows the submodule directory may be in a broken state.
mafredri
enabled auto-merge (squash)
May 22, 2026 09:28
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Patch PR for #485 (round 2) that addresses the second review pass. Targets the PR's branch.
Changes
P1:
git.Openarguments swapped (AMREM-14)Both calls at lines 112 and 136 passed
(fsStorage, gitDir)when the correct order is(storer-backed-by-.git, worktree-fs). This made every workspace restart fail to detect the existing repo, enter the clone path, and hitErrRepositoryAlreadyExists. TheAlreadyClonedtest is updated to actually clone first (producing the right on-disk layout) instead of usinggittest.NewRepowhich writes objects at the root.P2: Orphaned
.gitblocks retries (AMREM-16)If
CloneContextfails (network timeout, auth error), the.gitdirectory created byMkdirAllpersisted. On the next start,Stat(".git")took the already-cloned fast path and tried toOpena corrupt repo. Now the.gitdirectory is removed on clone failure.P3 fixes
extractHostrewritten to usetransport.NewEndpoint, removing the duplicate SCP regex parser (AMREM-24).cloneSubmodulenow callsopenSubmoduleRepoinstead of duplicating the Chroot/NewStorage/Open sequence (AMREM-25).fetchErrincluded in the "Direct fetch failed" log message (AMREM-22).initSubmodulestracks warnings and adjusts the final log line accordingly (AMREM-23).SameHostdoc corrected: port is ignored as a simplification, not to match git credential helpers (AMREM-27).SubmoduleDepthcapped at 100 (AMREM-31).submoduleAuthFor(AMREM-15).logffixed to usefmt.Fprintfso format args are expanded (AMREM-20).Docs: PR description updated (AMREM-18)
The behavior section now accurately describes the retry-on-every-start semantics.
Contested
AMREM-17 and AMREM-21 re-raise the
./-relative URL resolution claim from DEREM-2 (R1), which was already contested with a native git reproduction showing the current behavior is correct. No change.