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-rw-r--r--refs.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/refs.c b/refs.c
index 4302206649..7922261580 100644
--- a/refs.c
+++ b/refs.c
@@ -72,10 +72,6 @@ int check_refname_format(const char *refname, int flags)
{
int component_len, component_count = 0;
- if (!strcmp(refname, "@"))
- /* Refname is a single character '@'. */
- return -1;
-
while (1) {
/* We are at the start of a path component. */
component_len = check_refname_component(refname, flags);
@@ -634,7 +630,9 @@ struct ref_entry_cb {
static int do_one_ref(struct ref_entry *entry, void *cb_data)
{
struct ref_entry_cb *data = cb_data;
+ struct ref_entry *old_current_ref;
int retval;
+
if (prefixcmp(entry->name, data->base))
return 0;
@@ -642,10 +640,12 @@ static int do_one_ref(struct ref_entry *entry, void *cb_data)
!ref_resolves_to_object(entry))
return 0;
+ /* Store the old value, in case this is a recursive call: */
+ old_current_ref = current_ref;
current_ref = entry;
retval = data->fn(entry->name + data->trim, entry->u.value.sha1,
entry->flag, data->cb_data);
- current_ref = NULL;
+ current_ref = old_current_ref;
return retval;
}
@@ -2174,11 +2174,14 @@ int lock_packed_refs(int flags)
{
struct packed_ref_cache *packed_ref_cache;
- /* Discard the old cache because it might be invalid: */
- clear_packed_ref_cache(&ref_cache);
if (hold_lock_file_for_update(&packlock, git_path("packed-refs"), flags) < 0)
return -1;
- /* Read the current packed-refs while holding the lock: */
+ /*
+ * Get the current packed-refs while holding the lock. If the
+ * packed-refs file has been modified since we last read it,
+ * this will automatically invalidate the cache and re-read
+ * the packed-refs file.
+ */
packed_ref_cache = get_packed_ref_cache(&ref_cache);
packed_ref_cache->lock = &packlock;
/* Increment the reference count to prevent it from being freed: */