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authorJeff King <peff@peff.net>2020-01-08 11:43:44 (GMT)
committerJunio C Hamano <gitster@pobox.com>2020-01-08 17:03:36 (GMT)
commite701bab3e95f7029e59717eab610a544821b2213 (patch)
tree7da8cbd68c26c0842c0a1c6d6bb936563195f0e4 /builtin
parent313677627a8258a0a936136938302b244ae5511c (diff)
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restore: invalidate cache-tree when removing entries with --staged
When "git restore --staged <path>" removes a path that's in the index, it marks the entry with CE_REMOVE, but we don't do anything to invalidate the cache-tree. In the non-staged case, we end up in checkout_worktree(), which calls remove_marked_cache_entries(). That actually drops the entries from the index, as well as invalidating the cache-tree and untracked-cache. But with --staged, we never call checkout_worktree(), and the CE_REMOVE entries remain. Interestingly, they are dropped when we write out the index, but that means the resulting index is inconsistent: its cache-tree will not match the actual entries, and running "git commit" immediately after will create the wrong tree. We can solve this by calling remove_marked_cache_entries() ourselves before writing out the index. Note that we can't just hoist it out of checkout_worktree(); that function needs to iterate over the CE_REMOVE entries (to drop their matching worktree files) before removing them. One curiosity about the test: without this patch, it actually triggers a BUG() when running git-restore: BUG: cache-tree.c:810: new1 with flags 0x4420000 should not be in cache-tree But in the original problem report, which used a similar recipe, git-restore actually creates the bogus index (and the commit is created with the wrong tree). I'm not sure why the test here behaves differently than my out-of-suite reproduction, but what's here should catch either symptom (and the fix corrects both cases). Reported-by: Torsten Krah <krah.tm@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
-rw-r--r--builtin/checkout.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 2bca5fe..bb081dc 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -521,6 +521,8 @@ static int checkout_paths(const struct checkout_opts *opts,
/* Now we are committed to check them out */
if (opts->checkout_worktree)
errs |= checkout_worktree(opts);
+ else
+ remove_marked_cache_entries(&the_index, 1);
/*
* Allow updating the index when checking out from the index.