Teach `add_packed_ref()` to overwrite an existing entry if one already
exists for the specified `refname`. This means that we can call it
from `files_pack_refs()`, thereby reducing the amount that the latter
function needs to know about the internals of packed-reference
handling.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
refs/files-backend.c | 40 ++++++++++++++++++----------------------
1 file changed, 18 insertions(+), 22 deletions(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index b040bb3b0a..87cecde231 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -413,15 +413,16 @@ static struct ref_dir *get_packed_refs(struct files_ref_store *refs)
}
/*
- * Add a reference to the in-memory packed reference cache. This may
- * only be called while the packed-refs file is locked (see
- * lock_packed_refs()). To actually write the packed-refs file, call
- * commit_packed_refs().
+ * Add or overwrite a reference in the in-memory packed reference
+ * cache. This may only be called while the packed-refs file is locked
+ * (see lock_packed_refs()). To actually write the packed-refs file,
+ * call commit_packed_refs().
*/
static void add_packed_ref(struct files_ref_store *refs,
const char *refname, const struct object_id *oid)
{
- struct packed_ref_cache *packed_ref_cache = get_packed_ref_cache(refs);
+ struct ref_dir *packed_refs;
+ struct ref_entry *packed_entry;
if (!is_lock_file_locked(&refs->packed_refs_lock))
die("BUG: packed refs not locked");
@@ -429,8 +430,17 @@ static void add_packed_ref(struct files_ref_store *refs,
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL))
die("Reference has invalid format: '%s'", refname);
- add_ref_entry(get_packed_ref_dir(packed_ref_cache),
- create_ref_entry(refname, oid, REF_ISPACKED));
+ packed_refs = get_packed_refs(refs);
+ packed_entry = find_ref_entry(packed_refs, refname);
+ if (packed_entry) {
+ /* Overwrite the existing entry: */
+ oidcpy(&packed_entry->u.value.oid, oid);
+ packed_entry->flag = REF_ISPACKED;
+ oidclr(&packed_entry->u.value.peeled);
+ } else {
+ packed_entry = create_ref_entry(refname, oid, REF_ISPACKED);
+ add_ref_entry(packed_refs, packed_entry);
+ }
}
/*
@@ -1526,12 +1536,10 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
files_downcast(ref_store, REF_STORE_WRITE | REF_STORE_ODB,
"pack_refs");
struct ref_iterator *iter;
- struct ref_dir *packed_refs;
int ok;
struct ref_to_prune *refs_to_prune = NULL;
lock_packed_refs(refs, LOCK_DIE_ON_ERROR);
- packed_refs = get_packed_refs(refs);
iter = cache_ref_iterator_begin(get_loose_ref_cache(refs), NULL, 0);
while ((ok = ref_iterator_advance(iter)) == ITER_OK) {
@@ -1540,8 +1548,6 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
* in the packed ref cache. If the reference should be
* pruned, also add it to refs_to_prune.
*/
- struct ref_entry *packed_entry;
-
if (!should_pack_ref(iter->refname, iter->oid, iter->flags,
flags))
continue;
@@ -1552,17 +1558,7 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
* we don't copy the peeled status, because we want it
* to be re-peeled.
*/
- packed_entry = find_ref_entry(packed_refs, iter->refname);
- if (packed_entry) {
- /* Overwrite existing packed entry with info from loose entry */
- packed_entry->flag = REF_ISPACKED;
- oidcpy(&packed_entry->u.value.oid, iter->oid);
- } else {
- packed_entry = create_ref_entry(iter->refname, iter->oid,
- REF_ISPACKED);
- add_ref_entry(packed_refs, packed_entry);
- }
- oidclr(&packed_entry->u.value.peeled);
+ add_packed_ref(refs, iter->refname, iter->oid);
/* Schedule the loose reference for pruning if requested. */
if ((flags & PACK_REFS_PRUNE)) {
--
2.11.0