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checkout: allow "checkout -m path" to unmerge removed paths

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"git checkout -m -- path" uses the unmerge_marked_index() API, whose
implementation is incapable of unresolving a path that was resolved
as removed.  Extend the unmerge_index() API function so that we can
mark the ce_flags member of the cache entries we add to the index as
unmerged, and replace use of unmerge_marked_index() with it.

Now, together with its unmerge_index_entry_at() helper function,
unmerge_marked_index() function is no longer called by anybody, and
can safely be removed.

This makes two known test failures in t2070 and t7201 to succeed.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2023-07-31 15:44:09 -07:00
parent ed3789f2f0
commit 5bdedac3c7
7 changed files with 13 additions and 82 deletions
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6
resolve-undo.h
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@ -17,9 +17,7 @@ void record_resolve_undo(struct index_state *, struct cache_entry *);
void resolve_undo_write(struct strbuf *, struct string_list *);
struct string_list *resolve_undo_read(const char *, unsigned long);
void resolve_undo_clear_index(struct index_state *);
int unmerge_index_entry_at(struct index_state *, int);
int unmerge_index_entry(struct index_state *, const char *, struct resolve_undo_info *);
void unmerge_index(struct index_state *, const struct pathspec *);
void unmerge_marked_index(struct index_state *);
int unmerge_index_entry(struct index_state *, const char *, struct resolve_undo_info *, unsigned);
void unmerge_index(struct index_state *, const struct pathspec *, unsigned);
#endif