tests: add a testcase for "git submodule sync"

[git.git] / builtin-send-pack.c

diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index 7588d22885d0af24ae80f1d687ccd097fe365021..910db92b62eb6dd91a4002b2643fef4a76ec8f83 100644 (file)
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -18,7 +18,7 @@ static struct send_pack_args args = {
 /*
  * Make a pack stream and spit it out into file descriptor fd
  */
-static int pack_objects(int fd, struct ref *refs)
+static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra)
 {
        /*
         * The child becomes pack-objects --revs; we feed
@@ -34,6 +34,8 @@ static int pack_objects(int fd, struct ref *refs)
                NULL,
        };
        struct child_process po;
+       int i;
+       char buf[42];
 
        if (args.use_thin_pack)
                argv[4] = "--thin";
@@ -43,15 +45,21 @@ static int pack_objects(int fd, struct ref *refs)
        po.out = fd;
        po.git_cmd = 1;
        if (start_command(&po))
-               die("git-pack-objects failed (%s)", strerror(errno));
+               die("git pack-objects failed (%s)", strerror(errno));
 
        /*
         * We feed the pack-objects we just spawned with revision
         * parameters by writing to the pipe.
         */
-       while (refs) {
-               char buf[42];
+       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"))
+                       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);
@@ -381,14 +389,17 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
        int expect_status_report = 0;
        int flags = MATCH_REFS_NONE;
        int ret;
+       struct extra_have_objects extra_have;
 
+       memset(&extra_have, 0, sizeof(extra_have));
        if (args.send_all)
                flags |= MATCH_REFS_ALL;
        if (args.send_mirror)
                flags |= MATCH_REFS_MIRROR;
 
        /* No funny business with the matcher */
-       remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL);
+       remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL,
+                                      &extra_have);
        get_local_heads();
 
        /* Does the other end support the reporting? */
@@ -496,7 +507,7 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
 
        packet_flush(out);
        if (new_refs && !args.dry_run) {
-               if (pack_objects(out, remote_refs) < 0)
+               if (pack_objects(out, remote_refs, &extra_have) < 0)
                        return -1;
        }
        else