lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index 298bd719240ba503a3128486883d33df011765b1..d65d01969252332eeee12b0419e4ba3a806952b1 100644 (file)
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -15,6 +15,20 @@ static struct send_pack_args args = {
        /* .receivepack = */ "git-receive-pack",
 };
 
+static int feed_object(const unsigned char *sha1, int fd, int negative)
+{
+       char buf[42];
+
+       if (negative && !has_sha1_file(sha1))
+               return 1;
+
+       memcpy(buf + negative, sha1_to_hex(sha1), 40);
+       if (negative)
+               buf[0] = '^';
+       buf[40 + negative] = '\n';
+       return write_or_whine(fd, buf, 41 + negative, "send-pack: send refs");
+}
+
 /*
  * Make a pack stream and spit it out into file descriptor fd
  */
@@ -35,7 +49,6 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext
        };
        struct child_process po;
        int i;
-       char buf[42];
 
        if (args.use_thin_pack)
                argv[4] = "--thin";
@@ -51,31 +64,17 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext
         * We feed the pack-objects we just spawned with revision
         * parameters by writing to the pipe.
         */
-       for (i = 0; i < extra->nr; i++) {
-               memcpy(buf + 1, sha1_to_hex(&extra->array[i][0]), 40);
-               buf[0] = '^';
-               buf[41] = '\n';
-               if (!write_or_whine(po.in, buf, 42, "send-pack: send refs"))
+       for (i = 0; i < extra->nr; i++)
+               if (!feed_object(extra->array[i], po.in, 1))
                        break;
-       }
 
        while (refs) {
                if (!is_null_sha1(refs->old_sha1) &&
-                   has_sha1_file(refs->old_sha1)) {
-                       memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40);
-                       buf[0] = '^';
-                       buf[41] = '\n';
-                       if (!write_or_whine(po.in, buf, 42,
-                                               "send-pack: send refs"))
-                               break;
-               }
-               if (!is_null_sha1(refs->new_sha1)) {
-                       memcpy(buf, sha1_to_hex(refs->new_sha1), 40);
-                       buf[40] = '\n';
-                       if (!write_or_whine(po.in, buf, 41,
-                                               "send-pack: send refs"))
-                               break;
-               }
+                   !feed_object(refs->old_sha1, po.in, 1))
+                       break;
+               if (!is_null_sha1(refs->new_sha1) &&
+                   !feed_object(refs->new_sha1, po.in, 0))
+                       break;
                refs = refs->next;
        }
 
@@ -230,7 +229,7 @@ static void update_tracking_ref(struct remote *remote, struct ref *ref)
 {
        struct refspec rs;
 
-       if (ref->status != REF_STATUS_OK)
+       if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
                return;
 
        rs.src = ref->name;
@@ -435,24 +434,19 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
         */
        new_refs = 0;
        for (ref = remote_refs; ref; ref = ref->next) {
-               const unsigned char *new_sha1;
-
-               if (!ref->peer_ref) {
-                       if (!args.send_mirror)
-                               continue;
-                       new_sha1 = null_sha1;
-               }
-               else
-                       new_sha1 = ref->peer_ref->new_sha1;
 
+               if (ref->peer_ref)
+                       hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+               else if (!args.send_mirror)
+                       continue;
 
-               ref->deletion = is_null_sha1(new_sha1);
+               ref->deletion = is_null_sha1(ref->new_sha1);
                if (ref->deletion && !allow_deleting_refs) {
                        ref->status = REF_STATUS_REJECT_NODELETE;
                        continue;
                }
                if (!ref->deletion &&
-                   !hashcmp(ref->old_sha1, new_sha1)) {
+                   !hashcmp(ref->old_sha1, ref->new_sha1)) {
                        ref->status = REF_STATUS_UPTODATE;
                        continue;
                }
@@ -480,14 +474,13 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
                    !ref->deletion &&
                    !is_null_sha1(ref->old_sha1) &&
                    (!has_sha1_file(ref->old_sha1)
-                     || !ref_newer(new_sha1, ref->old_sha1));
+                     || !ref_newer(ref->new_sha1, ref->old_sha1));
 
                if (ref->nonfastforward && !ref->force && !args.force_update) {
                        ref->status = REF_STATUS_REJECT_NONFASTFORWARD;
                        continue;
                }
 
-               hashcpy(ref->new_sha1, new_sha1);
                if (!ref->deletion)
                        new_refs++;