list-objects: support for skipping tree traversal

diff --git a/submodule.c b/submodule.c
index e127c074b0430eae47bddd2778e521587ce08122..6e14547e9e0000e6bf80e9ad21da81795cebcab7 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -517,8 +517,8 @@ static void show_submodule_header(struct diff_options *o, const char *path,
         * Attempt to lookup the commit references, and determine if this is
         * a fast forward or fast backwards update.
         */
-       *left = lookup_commit_reference(one);
-       *right = lookup_commit_reference(two);
+       *left = lookup_commit_reference(the_repository, one);
+       *right = lookup_commit_reference(the_repository, two);
 
        /*
         * Warn about missing commits in the submodule project, but only if
@@ -740,12 +740,14 @@ static void collect_changed_submodules_cb(struct diff_queue_struct *q,
                else {
                        name = default_name_or_path(p->two->path);
                        /* make sure name does not collide with existing one */
-                       submodule = submodule_from_name(the_repository, commit_oid, name);
+                       if (name)
+                               submodule = submodule_from_name(the_repository,
+                                                               commit_oid, name);
                        if (submodule) {
                                warning("Submodule in commit %s at path: "
                                        "'%s' collides with a submodule named "
                                        "the same. Skipping it.",
-                                       oid_to_hex(commit_oid), name);
+                                       oid_to_hex(commit_oid), p->two->path);
                                name = NULL;
                        }
                }
@@ -1680,7 +1682,7 @@ int submodule_move_head(const char *path,
        argv_array_push(&cp.args, new_head ? new_head : empty_tree_oid_hex());
 
        if (run_command(&cp)) {
-               ret = -1;
+               ret = error(_("Submodule '%s' could not be updated."), path);
                goto out;
        }