This is useful, for example, for listing the refs in a reference
repository during clone, when you don't have your own refs that cover
the objects that are in your alternate repository.
Signed-off-by: Daniel Barkalow <barkalow@xxxxxxxxxxxx>
---
refs.c | 18 ++++++++++++++++++
refs.h | 9 +++++++++
2 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/refs.c b/refs.c
index 1b0050e..356396d 100644
--- a/refs.c
+++ b/refs.c
@@ -159,6 +159,8 @@ static struct cached_refs {
} cached_refs;
static struct ref_list *current_ref;
+static struct ref_list *extra_refs;
+
static void free_ref_list(struct ref_list *list)
{
struct ref_list *next;
@@ -215,6 +217,17 @@ static void read_packed_refs(FILE *f, struct cached_refs *cached_refs)
cached_refs->packed = sort_ref_list(list);
}
+void add_extra_ref(const char *name, const unsigned char *sha1, int flag)
+{
+ extra_refs = add_ref(name, sha1, flag, extra_refs, NULL);
+}
+
+void clear_extra_refs(void)
+{
+ free_ref_list(extra_refs);
+ extra_refs = NULL;
+}
+
static struct ref_list *get_packed_refs(void)
{
if (!cached_refs.did_packed) {
@@ -535,6 +548,11 @@ static int do_for_each_ref(const char *base, each_ref_fn fn, int trim,
struct ref_list *packed = get_packed_refs();
struct ref_list *loose = get_loose_refs();
+ struct ref_list *extra;
+
+ for (extra = extra_refs; extra; extra = extra->next)
+ retval = do_one_ref(base, fn, trim, cb_data, extra);
+
while (packed && loose) {
struct ref_list *entry;
int cmp = strcmp(packed->name, loose->name);
diff --git a/refs.h b/refs.h
index 06abee1..06ad260 100644
--- a/refs.h
+++ b/refs.h
@@ -24,6 +24,15 @@ extern int for_each_tag_ref(each_ref_fn, void *);
extern int for_each_branch_ref(each_ref_fn, void *);
extern int for_each_remote_ref(each_ref_fn, void *);
+/*
+ * Extra refs will be listed by for_each_ref() before any actual refs
+ * for the duration of this process or until clear_extra_refs() is
+ * called. Only extra refs added before for_each_ref() is called will
+ * be listed on a given call of for_each_ref().
+ */
+extern void add_extra_ref(const char *refname, const unsigned char *sha1, int flags);
+extern void clear_extra_refs(void);
+
extern int peel_ref(const char *, unsigned char *);
/** Locks a "refs/" ref returning the lock on success and NULL on failure. **/
--
1.5.4.3.327.g614d7.dirty
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
