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Merge branch 'vd/mv-refresh-stat' 

"git mv" failed to refresh the cached stat information for the
entry it moved.

* vd/mv-refresh-stat:
  mv: refresh stat info for moved entry
This commit is contained in:
Junio C Hamano 2022-04-04 10:56:24 -07:00
parent 439c1e6d5d b7f9130a06
commit 909d5b646e
2 changed files with 34 additions and 2 deletions
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17
read-cache.c
View File

@ -134,7 +134,7 @@ static void replace_index_entry(struct index_state *istate, int nr, struct cache
void rename_index_entry_at(struct index_state *istate, int nr, const char *new_name)
{
struct cache_entry *old_entry = istate->cache[nr], *new_entry;
struct cache_entry *old_entry = istate->cache[nr], *new_entry, *refreshed;
int namelen = strlen(new_name);
new_entry = make_empty_cache_entry(istate, namelen);
@ -147,7 +147,20 @@ void rename_index_entry_at(struct index_state *istate, int nr, const char *new_n
cache_tree_invalidate_path(istate, old_entry->name);
untracked_cache_remove_from_index(istate, old_entry->name);
remove_index_entry_at(istate, nr);
add_index_entry(istate, new_entry, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
/*
* Refresh the new index entry. Using 'refresh_cache_entry' ensures
* we only update stat info if the entry is otherwise up-to-date (i.e.,
* the contents/mode haven't changed). This ensures that we reflect the
* 'ctime' of the rename in the index without (incorrectly) updating
* the cached stat info to reflect unstaged changes on disk.
*/
refreshed = refresh_cache_entry(istate, new_entry, CE_MATCH_REFRESH);
if (refreshed && refreshed != new_entry) {
add_index_entry(istate, refreshed, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
discard_cache_entry(new_entry);
} else
add_index_entry(istate, new_entry, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
}
void fill_stat_data(struct stat_data *sd, struct stat *st)

19
t/t7001-mv.sh
View File

@ -4,6 +4,25 @@ test_description='git mv in subdirs'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-diff-data.sh
test_expect_success 'mv -f refreshes updated index entry' '
echo test >bar &&
git add bar &&
git commit -m test &&
echo foo >foo &&
git add foo &&
# Wait one second to ensure ctime of rename will differ from original
# file creation ctime.
sleep 1 &&
git mv -f foo bar &&
git reset --merge HEAD &&
# Verify the index has been reset
git diff-files >out &&
test_must_be_empty out
'
test_expect_success 'prepare reference tree' '
mkdir path0 path1 &&
COPYING_test_data >path0/COPYING &&