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Merge branch 'wc/packed-ref-removal-cleanup'

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When "git update-ref -d" removes a ref that is packed, it left
empty directories under $GIT_DIR/refs/ for

* wc/packed-ref-removal-cleanup:
  refs: cleanup directories when deleting packed ref
This commit is contained in:
Junio C Hamano 2021-05-16 21:05:24 +09:00
commit 16f91451fa
2 changed files with 15 additions and 6 deletions
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12
refs/files-backend.c
View File

@ -45,10 +45,10 @@
#define REF_UPDATE_VIA_HEAD (1 << 8)
/*
* Used as a flag in ref_update::flags when the loose reference has
* been deleted.
* Used as a flag in ref_update::flags when a reference has been
* deleted and the ref's parent directories may need cleanup.
*/
#define REF_DELETED_LOOSE (1 << 9)
#define REF_DELETED_RMDIR (1 << 9)
struct ref_lock {
char *ref_name;
@ -2852,6 +2852,7 @@ static int files_transaction_finish(struct ref_store *ref_store,
if (update->flags & REF_DELETING &&
!(update->flags & REF_LOG_ONLY)) {
update->flags |= REF_DELETED_RMDIR;
if (!(update->type & REF_ISPACKED) ||
update->type & REF_ISSYMREF) {
/* It is a loose reference. */
@ -2861,7 +2862,6 @@ static int files_transaction_finish(struct ref_store *ref_store,
ret = TRANSACTION_GENERIC_ERROR;
goto cleanup;
}
update->flags |= REF_DELETED_LOOSE;
}
}
}
@ -2874,9 +2874,9 @@ cleanup:
for (i = 0; i < transaction->nr; i++) {
struct ref_update *update = transaction->updates[i];
if (update->flags & REF_DELETED_LOOSE) {
if (update->flags & REF_DELETED_RMDIR) {
/*
* The loose reference was deleted. Delete any
* The reference was deleted. Delete any
* empty parent directories. (Note that this
* can only work because we have already
* removed the lockfile.)

9
t/t1400-update-ref.sh
View File

@ -1598,4 +1598,13 @@ test_expect_success 'transaction cannot restart ongoing transaction' '
test_must_fail git show-ref --verify refs/heads/restart
'
test_expect_success 'directory not created deleting packed ref' '
git branch d1/d2/r1 HEAD &&
git pack-refs --all &&
test_path_is_missing .git/refs/heads/d1/d2 &&
git update-ref -d refs/heads/d1/d2/r1 &&
test_path_is_missing .git/refs/heads/d1/d2 &&
test_path_is_missing .git/refs/heads/d1
'
test_done