sha1_name: unroll len loop in find_unique_abbrev_r()

diff --git a/builtin/reset.c b/builtin/reset.c
index 7aeaea2737991f021eb788708c1710305abb4b08..d72c7d1c96b7a7da5c1aaee80d36c5b4acdb2200 100644 (file)
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -75,13 +75,13 @@ static int reset_index(const struct object_id *oid, int reset_type, int quiet)
                struct object_id head_oid;
                if (get_oid("HEAD", &head_oid))
                        return error(_("You do not have a valid HEAD."));
-               if (!fill_tree_descriptor(desc, head_oid.hash))
+               if (!fill_tree_descriptor(desc, &head_oid))
                        return error(_("Failed to find tree of HEAD."));
                nr++;
                opts.fn = twoway_merge;
        }
 
-       if (!fill_tree_descriptor(desc + nr - 1, oid->hash))
+       if (!fill_tree_descriptor(desc + nr - 1, oid))
                return error(_("Failed to find tree of %s."), oid_to_hex(oid));
        if (unpack_trees(nr, desc, &opts))
                return -1;
@@ -156,6 +156,7 @@ static int read_from_tree(const struct pathspec *pathspec,
        opt.output_format = DIFF_FORMAT_CALLBACK;
        opt.format_callback = update_index_from_diff;
        opt.format_callback_data = &intent_to_add;
+       opt.flags |= DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG;
 
        if (do_diff_cache(tree_oid, &opt))
                return 1;
@@ -219,8 +220,8 @@ static void parse_args(struct pathspec *pathspec,
                 * has to be unambiguous. If there is a single argument, it
                 * can not be a tree
                 */
-               else if ((!argv[1] && !get_sha1_committish(argv[0], unused.hash)) ||
-                        (argv[1] && !get_sha1_treeish(argv[0], unused.hash))) {
+               else if ((!argv[1] && !get_oid_committish(argv[0], &unused)) ||
+                        (argv[1] && !get_oid_treeish(argv[0], &unused))) {
                        /*
                         * Ok, argv[0] looks like a commit/tree; it should not
                         * be a filename.
@@ -308,15 +309,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                                                PARSE_OPT_KEEP_DASHDASH);
        parse_args(&pathspec, argv, prefix, patch_mode, &rev);
 
-       load_submodule_cache();
-
-       unborn = !strcmp(rev, "HEAD") && get_sha1("HEAD", oid.hash);
+       unborn = !strcmp(rev, "HEAD") && get_oid("HEAD", &oid);
        if (unborn) {
                /* reset on unborn branch: treat as reset to empty tree */
                hashcpy(oid.hash, EMPTY_TREE_SHA1_BIN);
        } else if (!pathspec.nr) {
                struct commit *commit;
-               if (get_sha1_committish(rev, oid.hash))
+               if (get_oid_committish(rev, &oid))
                        die(_("Failed to resolve '%s' as a valid revision."), rev);
                commit = lookup_commit_reference(&oid);
                if (!commit)
@@ -324,7 +323,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                oidcpy(&oid, &commit->object.oid);
        } else {
                struct tree *tree;
-               if (get_sha1_treeish(rev, oid.hash))
+               if (get_oid_treeish(rev, &oid))
                        die(_("Failed to resolve '%s' as a valid tree."), rev);
                tree = parse_tree_indirect(&oid);
                if (!tree)