bash: use for-each-ref format 'refname:short'

diff --git a/builtin-apply.c b/builtin-apply.c
index 4eb263ec5807a771b3a61c147b74a6f2f68dddee..20bef1f21d393b0ddf36b8336af85a70c9b8c39c 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1996,6 +1996,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
        /*
         * A hunk to change lines at the beginning would begin with
         * @@ -1,L +N,M @@
+        * but we need to be careful.  -U0 that inserts before the second
+        * line also has this pattern.
         *
         * And a hunk to add to an empty file would begin with
         * @@ -0,0 +N,M @@
@@ -2003,7 +2005,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
         * In other words, a hunk that is (frag->oldpos <= 1) with or
         * without leading context must match at the beginning.
         */
-       match_beginning = frag->oldpos <= 1;
+       match_beginning = (!frag->oldpos ||
+                          (frag->oldpos == 1 && !unidiff_zero));
 
        /*
         * A hunk without trailing lines must match at the end.