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get_packed_ref_cache(): take a packed_ref_store * parameter

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It only cares about the packed-refs part of the reference store.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2017-06-23 09:01:26 +02:00 committed by Junio C Hamano
parent 25e0c5faf2
commit 8e821c38f7
1 changed files with 12 additions and 14 deletions
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26
refs/files-backend.c
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@ -404,24 +404,22 @@ static void validate_packed_ref_cache(struct packed_ref_store *refs)
}
/*
* Get the packed_ref_cache for the specified files_ref_store,
* Get the packed_ref_cache for the specified packed_ref_store,
* creating and populating it if it hasn't been read before or if the
* file has been changed (according to its `validity` field) since it
* was last read. On the other hand, if we hold the lock, then assume
* that the file hasn't been changed out from under us, so skip the
* extra `stat()` call in `stat_validity_check()`.
*/
static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *refs)
static struct packed_ref_cache *get_packed_ref_cache(struct packed_ref_store *refs)
{
const char *packed_refs_file = refs->packed_ref_store->path;
if (!is_lock_file_locked(&refs->lock))
validate_packed_ref_cache(refs);
if (!is_lock_file_locked(&refs->packed_ref_store->lock))
validate_packed_ref_cache(refs->packed_ref_store);
if (!refs->cache)
refs->cache = read_packed_refs(refs->path);
if (!refs->packed_ref_store->cache)
refs->packed_ref_store->cache = read_packed_refs(packed_refs_file);
return refs->packed_ref_store->cache;
return refs->cache;
}
static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache *packed_ref_cache)
@ -431,7 +429,7 @@ static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache *packed_ref_ca
static struct ref_dir *get_packed_refs(struct files_ref_store *refs)
{
return get_packed_ref_dir(get_packed_ref_cache(refs));
return get_packed_ref_dir(get_packed_ref_cache(refs->packed_ref_store));
}
/*
@ -1151,7 +1149,7 @@ static struct ref_iterator *files_ref_iterator_begin(
loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs),
prefix, 1);
iter->packed_ref_cache = get_packed_ref_cache(refs);
iter->packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
acquire_packed_ref_cache(iter->packed_ref_cache);
packed_iter = cache_ref_iterator_begin(iter->packed_ref_cache->cache,
prefix, 0);
@ -1365,7 +1363,7 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
*/
validate_packed_ref_cache(refs->packed_ref_store);
packed_ref_cache = get_packed_ref_cache(refs);
packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
/* Increment the reference count to prevent it from being freed: */
acquire_packed_ref_cache(packed_ref_cache);
return 0;
@ -1380,7 +1378,7 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
static int commit_packed_refs(struct files_ref_store *refs)
{
struct packed_ref_cache *packed_ref_cache =
get_packed_ref_cache(refs);
get_packed_ref_cache(refs->packed_ref_store);
int ok, error = 0;
int save_errno = 0;
FILE *out;
@ -1426,7 +1424,7 @@ static int commit_packed_refs(struct files_ref_store *refs)
static void rollback_packed_refs(struct files_ref_store *refs)
{
struct packed_ref_cache *packed_ref_cache =
get_packed_ref_cache(refs);
get_packed_ref_cache(refs->packed_ref_store);
files_assert_main_repository(refs, "rollback_packed_refs");