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-rw-r--r--remote.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/remote.c b/remote.c
index b296d17404..04fd9ea4bd 100644
--- a/remote.c
+++ b/remote.c
@@ -7,6 +7,7 @@
#include "dir.h"
#include "tag.h"
#include "string-list.h"
+#include "mergesort.h"
enum map_direction { FROM_SRC, FROM_DST };
@@ -918,6 +919,27 @@ void free_refs(struct ref *ref)
}
}
+int ref_compare_name(const void *va, const void *vb)
+{
+ const struct ref *a = va, *b = vb;
+ return strcmp(a->name, b->name);
+}
+
+static void *ref_list_get_next(const void *a)
+{
+ return ((const struct ref *)a)->next;
+}
+
+static void ref_list_set_next(void *a, void *next)
+{
+ ((struct ref *)a)->next = next;
+}
+
+void sort_ref_list(struct ref **l, int (*cmp)(const void *, const void *))
+{
+ *l = llist_mergesort(*l, ref_list_get_next, ref_list_set_next, cmp);
+}
+
static int count_refspec_match(const char *pattern,
struct ref *refs,
struct ref **matched_ref)
@@ -1078,6 +1100,9 @@ static int match_explicit(struct ref *src, struct ref *dst,
case 0:
if (!memcmp(dst_value, "refs/", 5))
matched_dst = make_linked_ref(dst_value, dst_tail);
+ else if (is_null_sha1(matched_src->new_sha1))
+ error("unable to delete '%s': remote ref does not exist",
+ dst_value);
else if ((dst_guess = guess_ref(dst_value, matched_src)))
matched_dst = make_linked_ref(dst_guess, dst_tail);
else