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40d71940b6
If read_tree_trivial() succeeds and produces a tree that is already
in the object store, then the index is not written to disk, leaving
it out-of-sync with both HEAD and the working tree.
In order to write the index back out to disk after a merge,
write_index_locked() needs to be called. For most merge strategies, this
is done from try_merge_strategy(). For fast forward updates, this is
done from checkout_fast_forward(). When trivial merges work, the call to
write_index_locked() is buried a little deeper:
merge_trivial()
-> write_tree_trivial()
-> write_cache_as_tree()
-> write_index_as_tree()
-> write_locked_index()
However, it is only called when !cache_tree_fully_valid(), which is how
this bug is triggered. But that also shows why this bug doesn't affect
any other merge strategies or cases.
Add a direct call to write_index_locked() from merge_trivial() to fix
this issue. Since the indirect call to write_locked_index() was
conditional on cache_tree_fully_valid(), it won't be written twice.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|---|---|---|
| .. | ||
| add.c | ||
| am.c | ||
| annotate.c | ||
| apply.c | ||
| archive.c | ||
| bisect--helper.c | ||
| blame.c | ||
| branch.c | ||
| bundle.c | ||
| cat-file.c | ||
| check-attr.c | ||
| check-ignore.c | ||
| check-mailmap.c | ||
| check-ref-format.c | ||
| checkout-index.c | ||
| checkout.c | ||
| clean.c | ||
| clone.c | ||
| column.c | ||
| commit-tree.c | ||
| commit.c | ||
| config.c | ||
| count-objects.c | ||
| credential.c | ||
| describe.c | ||
| diff-files.c | ||
| diff-index.c | ||
| diff-tree.c | ||
| diff.c | ||
| fast-export.c | ||
| fetch-pack.c | ||
| fetch.c | ||
| fmt-merge-msg.c | ||
| for-each-ref.c | ||
| fsck.c | ||
| gc.c | ||
| get-tar-commit-id.c | ||
| grep.c | ||
| hash-object.c | ||
| help.c | ||
| index-pack.c | ||
| init-db.c | ||
| interpret-trailers.c | ||
| log.c | ||
| ls-files.c | ||
| ls-remote.c | ||
| ls-tree.c | ||
| mailinfo.c | ||
| mailsplit.c | ||
| merge-base.c | ||
| merge-file.c | ||
| merge-index.c | ||
| merge-ours.c | ||
| merge-recursive.c | ||
| merge-tree.c | ||
| merge.c | ||
| mktag.c | ||
| mktree.c | ||
| mv.c | ||
| name-rev.c | ||
| notes.c | ||
| pack-objects.c | ||
| pack-redundant.c | ||
| pack-refs.c | ||
| patch-id.c | ||
| prune-packed.c | ||
| prune.c | ||
| pull.c | ||
| push.c | ||
| read-tree.c | ||
| receive-pack.c | ||
| reflog.c | ||
| remote-ext.c | ||
| remote-fd.c | ||
| remote.c | ||
| repack.c | ||
| replace.c | ||
| rerere.c | ||
| reset.c | ||
| rev-list.c | ||
| rev-parse.c | ||
| revert.c | ||
| rm.c | ||
| send-pack.c | ||
| shortlog.c | ||
| show-branch.c | ||
| show-ref.c | ||
| stripspace.c | ||
| submodule--helper.c | ||
| symbolic-ref.c | ||
| tag.c | ||
| unpack-file.c | ||
| unpack-objects.c | ||
| update-index.c | ||
| update-ref.c | ||
| update-server-info.c | ||
| upload-archive.c | ||
| var.c | ||
| verify-commit.c | ||
| verify-pack.c | ||
| verify-tag.c | ||
| worktree.c | ||
| write-tree.c | ||