am: improve author-script error reporting

diff --git a/builtin/clone.c b/builtin/clone.c
index 9ebb5acf56c5e03f8acafda4d806d6e3a41ee91f..15b142d64640e29c10e62d565ac21adbaaeebca4 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -748,6 +748,7 @@ static int checkout(int submodule_progress)
        memset(&opts, 0, sizeof opts);
        opts.update = 1;
        opts.merge = 1;
+       opts.clone = 1;
        opts.fn = oneway_merge;
        opts.verbose_update = (option_verbosity >= 0);
        opts.src_index = &the_index;
@@ -897,7 +898,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        int err = 0, complete_refs_before_fetch = 1;
        int submodule_progress;
 
-       struct refspec_item refspec;
+       struct refspec rs = REFSPEC_INIT_FETCH;
+       struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
 
        fetch_if_missing = 0;
 
@@ -1079,7 +1081,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (option_required_reference.nr || option_optional_reference.nr)
                setup_reference();
 
-       refspec_item_init_or_die(&refspec, value.buf, REFSPEC_FETCH);
+       refspec_append(&rs, value.buf);
 
        strbuf_reset(&value);
 
@@ -1136,10 +1138,18 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (transport->smart_options && !deepen && !filter_options.choice)
                transport->smart_options->check_self_contained_and_connected = 1;
 
-       refs = transport_get_remote_refs(transport, NULL);
+
+       argv_array_push(&ref_prefixes, "HEAD");
+       refspec_ref_prefixes(&rs, &ref_prefixes);
+       if (option_branch)
+               expand_ref_prefix(&ref_prefixes, option_branch);
+       if (!option_no_tags)
+               argv_array_push(&ref_prefixes, "refs/tags/");
+
+       refs = transport_get_remote_refs(transport, &ref_prefixes);
 
        if (refs) {
-               mapped_refs = wanted_peer_refs(refs, &refspec);
+               mapped_refs = wanted_peer_refs(refs, &rs.items[0]);
                /*
                 * transport_get_remote_refs() may return refs with null sha-1
                 * in mapped_refs (see struct transport->get_refs_list
@@ -1157,7 +1167,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                        }
 
                if (!is_local && !complete_refs_before_fetch)
-                       transport_fetch_refs(transport, mapped_refs, NULL);
+                       transport_fetch_refs(transport, mapped_refs);
 
                remote_head = find_ref_by_name(refs, "HEAD");
                remote_head_points_at =
@@ -1199,7 +1209,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (is_local)
                clone_local(path, git_dir);
        else if (refs && complete_refs_before_fetch)
-               transport_fetch_refs(transport, mapped_refs, NULL);
+               transport_fetch_refs(transport, mapped_refs);
 
        update_remote_refs(refs, mapped_refs, remote_head_points_at,
                           branch_top.buf, reflog_msg.buf, transport,
@@ -1233,6 +1243,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        strbuf_release(&value);
        junk_mode = JUNK_LEAVE_ALL;
 
-       refspec_item_clear(&refspec);
+       refspec_clear(&rs);
+       argv_array_clear(&ref_prefixes);
        return err;
 }