git-am: head -1 is obsolete and doesn't work on some new systems

diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index 930e0fb3fdfee2293d0fca650d7139f09f2d381e..d76260c09eef064d8a2862b5d6f0e826d968d643 100644 (file)
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -537,9 +537,17 @@ static void verify_remote_names(int nr_heads, const char **heads)
        int i;
 
        for (i = 0; i < nr_heads; i++) {
-               const char *remote = strchr(heads[i], ':');
+               const char *local = heads[i];
+               const char *remote = strrchr(heads[i], ':');
 
-               remote = remote ? (remote + 1) : heads[i];
+               if (*local == '+')
+                       local++;
+
+               /* A matching refspec is okay.  */
+               if (remote == local && remote[1] == '\0')
+                       continue;
+
+               remote = remote ? (remote + 1) : local;
                switch (check_ref_format(remote)) {
                case 0: /* ok */
                case CHECK_REF_FORMAT_ONELEVEL: