aboutsummaryrefslogtreecommitdiff
path: root/refs
diff options
context:
space:
mode:
Diffstat (limited to 'refs')
-rw-r--r--refs/files-backend.c40
-rw-r--r--refs/ref-cache.h3
2 files changed, 26 insertions, 17 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index c4bc9550d..b4fa745cd 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -209,7 +209,9 @@ static const char *parse_ref_line(struct strbuf *line, struct object_id *oid)
}
/*
- * Read f, which is a packed-refs file, into dir.
+ * Read from `packed_refs_file` into a newly-allocated
+ * `packed_ref_cache` and return it. The return value will already
+ * have its reference count incremented.
*
* A comment line of the form "# pack-refs with: " may contain zero or
* more traits. We interpret the traits as follows:
@@ -235,12 +237,26 @@ static const char *parse_ref_line(struct strbuf *line, struct object_id *oid)
* compatibility with older clients, but we do not require it
* (i.e., "peeled" is a no-op if "fully-peeled" is set).
*/
-static void read_packed_refs(FILE *f, struct ref_dir *dir)
+static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file)
{
+ FILE *f;
+ struct packed_ref_cache *packed_refs = xcalloc(1, sizeof(*packed_refs));
struct ref_entry *last = NULL;
struct strbuf line = STRBUF_INIT;
enum { PEELED_NONE, PEELED_TAGS, PEELED_FULLY } peeled = PEELED_NONE;
+ struct ref_dir *dir;
+ acquire_packed_ref_cache(packed_refs);
+ packed_refs->cache = create_ref_cache(NULL, NULL);
+ packed_refs->cache->root->flag &= ~REF_INCOMPLETE;
+
+ f = fopen(packed_refs_file, "r");
+ if (!f)
+ return packed_refs;
+
+ stat_validity_update(&packed_refs->validity, fileno(f));
+
+ dir = get_ref_dir(packed_refs->cache->root);
while (strbuf_getwholeline(&line, f, '\n') != EOF) {
struct object_id oid;
const char *refname;
@@ -287,7 +303,10 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir)
}
}
+ fclose(f);
strbuf_release(&line);
+
+ return packed_refs;
}
static const char *files_packed_refs_path(struct files_ref_store *refs)
@@ -357,20 +376,9 @@ static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *ref
!stat_validity_check(&refs->packed->validity, packed_refs_file))
clear_packed_ref_cache(refs);
- if (!refs->packed) {
- FILE *f;
-
- refs->packed = xcalloc(1, sizeof(*refs->packed));
- acquire_packed_ref_cache(refs->packed);
- refs->packed->cache = create_ref_cache(&refs->base, NULL);
- refs->packed->cache->root->flag &= ~REF_INCOMPLETE;
- f = fopen(packed_refs_file, "r");
- if (f) {
- stat_validity_update(&refs->packed->validity, fileno(f));
- read_packed_refs(f, get_ref_dir(refs->packed->cache->root));
- fclose(f);
- }
- }
+ if (!refs->packed)
+ refs->packed = read_packed_refs(packed_refs_file);
+
return refs->packed;
}
diff --git a/refs/ref-cache.h b/refs/ref-cache.h
index 1f65e2f9e..fbfee7ce7 100644
--- a/refs/ref-cache.h
+++ b/refs/ref-cache.h
@@ -194,7 +194,8 @@ struct ref_entry *create_ref_entry(const char *refname,
* function called to fill in incomplete directories in the
* `ref_cache` when they are accessed. If it is NULL, then the whole
* `ref_cache` must be filled (including clearing its directories'
- * `REF_INCOMPLETE` bits) before it is used.
+ * `REF_INCOMPLETE` bits) before it is used, and `refs` can be NULL,
+ * too.
*/
struct ref_cache *create_ref_cache(struct ref_store *refs,
fill_ref_dir_fn *fill_ref_dir);