submodule loading: separate code path for .gitmodules and config overlay

diff --git a/builtin/show-ref.c b/builtin/show-ref.c
index 264c3920075952b179170b65960e47b3a5b06c61..013d241abc09be76c318dbc25d5fb3b40ade7b3a 100644 (file)
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -19,19 +19,34 @@ static const char *exclude_existing_arg;
 
 static void show_one(const char *refname, const struct object_id *oid)
 {
-       const char *hex = find_unique_abbrev(oid->hash, abbrev);
+       const char *hex;
+       struct object_id peeled;
+
+       if (!has_sha1_file(oid->hash))
+               die("git show-ref: bad ref %s (%s)", refname,
+                   oid_to_hex(oid));
+
+       if (quiet)
+               return;
+
+       hex = find_unique_abbrev(oid->hash, abbrev);
        if (hash_only)
                printf("%s\n", hex);
        else
                printf("%s %s\n", hex, refname);
+
+       if (!deref_tags)
+               return;
+
+       if (!peel_ref(refname, peeled.hash)) {
+               hex = find_unique_abbrev(peeled.hash, abbrev);
+               printf("%s %s^{}\n", hex, refname);
+       }
 }
 
 static int show_ref(const char *refname, const struct object_id *oid,
                    int flag, void *cbdata)
 {
-       const char *hex;
-       struct object_id peeled;
-
        if (show_head && !strcmp(refname, "HEAD"))
                goto match;
 
@@ -54,9 +69,6 @@ static int show_ref(const char *refname, const struct object_id *oid,
                                continue;
                        if (len == reflen)
                                goto match;
-                       /* "--verify" requires an exact match */
-                       if (verify)
-                               continue;
                        if (refname[reflen - len - 1] == '/')
                                goto match;
                }
@@ -66,26 +78,8 @@ static int show_ref(const char *refname, const struct object_id *oid,
 match:
        found_match++;
 
-       /* This changes the semantics slightly that even under quiet we
-        * detect and return error if the repository is corrupt and
-        * ref points at a nonexistent object.
-        */
-       if (!has_sha1_file(oid->hash))
-               die("git show-ref: bad ref %s (%s)", refname,
-                   oid_to_hex(oid));
-
-       if (quiet)
-               return 0;
-
        show_one(refname, oid);
 
-       if (!deref_tags)
-               return 0;
-
-       if (!peel_ref(refname, peeled.hash)) {
-               hex = find_unique_abbrev(peeled.hash, abbrev);
-               printf("%s %s^{}\n", hex, refname);
-       }
        return 0;
 }
 
@@ -161,11 +155,6 @@ static int exclude_existing_callback(const struct option *opt, const char *arg,
        return 0;
 }
 
-static int help_callback(const struct option *opt, const char *arg, int unset)
-{
-       return -1;
-}
-
 static const struct option show_ref_options[] = {
        OPT_BOOL(0, "tags", &tags_only, N_("only show tags (can be combined with heads)")),
        OPT_BOOL(0, "heads", &heads_only, N_("only show heads (can be combined with tags)")),
@@ -186,18 +175,13 @@ static const struct option show_ref_options[] = {
        { OPTION_CALLBACK, 0, "exclude-existing", &exclude_existing_arg,
          N_("pattern"), N_("show refs from stdin that aren't in local repository"),
          PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback },
-       { OPTION_CALLBACK, 0, "help-all", NULL, NULL, N_("show usage"),
-         PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
        OPT_END()
 };
 
 int cmd_show_ref(int argc, const char **argv, const char *prefix)
 {
-       if (argc == 2 && !strcmp(argv[1], "-h"))
-               usage_with_options(show_ref_usage, show_ref_options);
-
        argc = parse_options(argc, argv, prefix, show_ref_options,
-                            show_ref_usage, PARSE_OPT_NO_INTERNAL_HELP);
+                            show_ref_usage, 0);
 
        if (exclude_arg)
                return exclude_existing(exclude_existing_arg);
@@ -212,10 +196,9 @@ int cmd_show_ref(int argc, const char **argv, const char *prefix)
                while (*pattern) {
                        struct object_id oid;
 
-                       if (starts_with(*pattern, "refs/") &&
+                       if ((starts_with(*pattern, "refs/") || !strcmp(*pattern, "HEAD")) &&
                            !read_ref(*pattern, oid.hash)) {
-                               if (!quiet)
-                                       show_one(*pattern, &oid);
+                               show_one(*pattern, &oid);
                        }
                        else if (!quiet)
                                die("'%s' - not a valid ref", *pattern);