Merge branch 'cb/maint-update-ref-fix' into maint

diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c
index f4dbcf069ee8e5226d52c9c2194a8ed20ed65a34..21ce3e016314e0c8500c9010b2ff214b1e05e022 100644 (file)
--- a/builtin-fetch-pack.c
+++ b/builtin-fetch-pack.c
@@ -18,7 +18,7 @@ static struct fetch_pack_args args = {
 };
 
 static const char fetch_pack_usage[] =
-"git-fetch-pack [--all] [--quiet|-q] [--keep|-k] [--thin] [--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...]";
+"git fetch-pack [--all] [--quiet|-q] [--keep|-k] [--thin] [--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...]";
 
 #define COMPLETE       (1U << 0)
 #define COMMON         (1U << 1)
@@ -309,7 +309,8 @@ static int find_common(int fd[2], unsigned char *result_sha1,
                }
                flushes--;
        }
-       return retval;
+       /* it is no error to fetch into a completely empty repo */
+       return count ? retval : 0;
 }
 
 static struct commit_list *complete;
@@ -519,7 +520,8 @@ static int get_pack(int xd[2], char **pack_lockfile)
 
                if (read_pack_header(demux.out, &header))
                        die("protocol error: bad pack header");
-               snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u",
+               snprintf(hdr_arg, sizeof(hdr_arg),
+                        "--pack_header=%"PRIu32",%"PRIu32,
                         ntohl(header.hdr_version), ntohl(header.hdr_entries));
                if (ntohl(header.hdr_entries) < unpack_limit)
                        do_keep = 0;
@@ -607,7 +609,7 @@ static struct ref *do_fetch_pack(int fd[2],
                        fprintf(stderr, "warning: no common commits\n");
 
        if (get_pack(fd, pack_lockfile))
-               die("git-fetch-pack: fetch failed.");
+               die("git fetch-pack: fetch failed.");
 
  all_done:
        return ref;
@@ -748,7 +750,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
        if (!ret && nr_heads) {
                /* If the heads to pull were given, we should have
                 * consumed all of them by matching the remote.
-                * Otherwise, 'git-fetch remote no-such-ref' would
+                * Otherwise, 'git fetch remote no-such-ref' would
                 * silently succeed without issuing an error.
                 */
                for (i = 0; i < nr_heads; i++)
@@ -811,7 +813,8 @@ struct ref *fetch_pack(struct fetch_pack_args *my_args,
                          )
                        die("shallow file was changed during fetch");
 
-               fd = hold_lock_file_for_update(&lock, shallow, 1);
+               fd = hold_lock_file_for_update(&lock, shallow,
+                                              LOCK_DIE_ON_ERROR);
                if (!write_shallow_commits(fd, 0)) {
                        unlink(shallow);
                        rollback_lock_file(&lock);