submodule sync: skip work for inactive submodules

diff --git a/builtin/describe.c b/builtin/describe.c
index 01490a157efc5d85626833c0b1c25b75fb7ee469..6769446e1f57537879fd1b411f83ba7393bad338 100644 (file)
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -28,7 +28,8 @@ static int abbrev = -1; /* unspecified */
 static int max_candidates = 10;
 static struct hashmap names;
 static int have_util;
-static const char *pattern;
+static struct string_list patterns = STRING_LIST_INIT_NODUP;
+static struct string_list exclude_patterns = STRING_LIST_INIT_NODUP;
 static int always;
 static const char *dirty;
 
@@ -129,9 +130,40 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi
        if (!all && !is_tag)
                return 0;
 
-       /* Accept only tags that match the pattern, if given */
-       if (pattern && (!is_tag || wildmatch(pattern, path + 10, 0, NULL)))
-               return 0;
+       /*
+        * If we're given exclude patterns, first exclude any tag which match
+        * any of the exclude pattern.
+        */
+       if (exclude_patterns.nr) {
+               struct string_list_item *item;
+
+               if (!is_tag)
+                       return 0;
+
+               for_each_string_list_item(item, &exclude_patterns) {
+                       if (!wildmatch(item->string, path + 10, 0, NULL))
+                               return 0;
+               }
+       }
+
+       /*
+        * If we're given patterns, accept only tags which match at least one
+        * pattern.
+        */
+       if (patterns.nr) {
+               struct string_list_item *item;
+
+               if (!is_tag)
+                       return 0;
+
+               for_each_string_list_item(item, &patterns) {
+                       if (!wildmatch(item->string, path + 10, 0, NULL))
+                               break;
+
+                       /* If we get here, no pattern matched. */
+                       return 0;
+               }
+       }
 
        /* Is it annotated? */
        if (!peel_ref(path, peeled.hash)) {
@@ -404,8 +436,10 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                            N_("only output exact matches"), 0),
                OPT_INTEGER(0, "candidates", &max_candidates,
                            N_("consider <n> most recent tags (default: 10)")),
-               OPT_STRING(0, "match",       &pattern, N_("pattern"),
+               OPT_STRING_LIST(0, "match", &patterns, N_("pattern"),
                           N_("only consider tags matching <pattern>")),
+               OPT_STRING_LIST(0, "exclude", &exclude_patterns, N_("pattern"),
+                          N_("do not consider tags matching <pattern>")),
                OPT_BOOL(0, "always",        &always,
                        N_("show abbreviated commit object as fallback")),
                {OPTION_STRING, 0, "dirty",  &dirty, N_("mark"),
@@ -430,6 +464,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                die(_("--long is incompatible with --abbrev=0"));
 
        if (contains) {
+               struct string_list_item *item;
                struct argv_array args;
 
                argv_array_init(&args);
@@ -440,8 +475,10 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                        argv_array_push(&args, "--always");
                if (!all) {
                        argv_array_push(&args, "--tags");
-                       if (pattern)
-                               argv_array_pushf(&args, "--refs=refs/tags/%s", pattern);
+                       for_each_string_list_item(item, &patterns)
+                               argv_array_pushf(&args, "--refs=refs/tags/%s", item->string);
+                       for_each_string_list_item(item, &exclude_patterns)
+                               argv_array_pushf(&args, "--exclude=refs/tags/%s", item->string);
                }
                if (argc)
                        argv_array_pushv(&args, argv);