Merge branch 'ci/forbid-unwanted-current-branch-update'

diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 436798410210b868cfbe439a1603b0a340a32c50..412bd327b5b396c159c768b25be189e00531c38e 100644 (file)
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -185,6 +185,36 @@ static void consume_shallow_list(int fd)
        }
 }
 
+struct write_shallow_data {
+       struct strbuf *out;
+       int use_pack_protocol;
+       int count;
+};
+
+static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
+{
+       struct write_shallow_data *data = cb_data;
+       const char *hex = sha1_to_hex(graft->sha1);
+       data->count++;
+       if (data->use_pack_protocol)
+               packet_buf_write(data->out, "shallow %s", hex);
+       else {
+               strbuf_addstr(data->out, hex);
+               strbuf_addch(data->out, '\n');
+       }
+       return 0;
+}
+
+static int write_shallow_commits(struct strbuf *out, int use_pack_protocol)
+{
+       struct write_shallow_data data;
+       data.out = out;
+       data.use_pack_protocol = use_pack_protocol;
+       data.count = 0;
+       for_each_commit_graft(write_one_shallow, &data);
+       return data.count;
+}
+
 static enum ack_type get_ack(int fd, unsigned char *result_sha1)
 {
        static char line[1000];
@@ -395,6 +425,8 @@ static int find_common(int fd[2], unsigned char *result_sha1,
                                case ACK_continue: {
                                        struct commit *commit =
                                                lookup_commit(result_sha1);
+                                       if (!commit)
+                                               die("invalid commit %s", sha1_to_hex(result_sha1));
                                        if (args.stateless_rpc
                                         && ack == ACK_common
                                         && !(commit->object.flags & COMMON)) {