fetch: convert refmap to use struct refspec

Convert the refmap in builtin/fetch.c to be stored in a
'struct refspec'.

Signed-off-by: Brandon Williams <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: bmwill

builtin/fetch.c

@@ -60,8 +60,7 @@ static const char *submodule_prefix = "";
 static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
 static int recurse_submodules_default = RECURSE_SUBMODULES_ON_DEMAND;
 static int shown_url = 0;
-static int refmap_alloc, refmap_nr;
-static const char **refmap_array;
+static struct refspec refmap = REFSPEC_INIT_FETCH;
 static struct list_objects_filter_options filter_options;
 
 static int git_fetch_config(const char *k, const char *v, void *cb)
@@ -108,14 +107,12 @@ static int gitmodules_fetch_config(const char *var, const char *value, void *cb)
 
 static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
 {
-	ALLOC_GROW(refmap_array, refmap_nr + 1, refmap_alloc);
-
 	/*
 	 * "git fetch --refmap='' origin foo"
 	 * can be used to tell the command not to store anywhere
 	 */
-	if (*arg)
-		refmap_array[refmap_nr++] = arg;
+	refspec_append(&refmap, arg);
+
 	return 0;
 }
 
@@ -403,17 +400,17 @@ static struct ref *get_ref_map(struct transport *transport,
 		 * by ref_remove_duplicates() in favor of one of these
 		 * opportunistic entries with FETCH_HEAD_IGNORE.
 		 */
-		if (refmap_array) {
-			fetch_refspec = parse_fetch_refspec(refmap_nr, refmap_array);
-			fetch_refspec_nr = refmap_nr;
+		if (refmap.nr) {
+			fetch_refspec = refmap.items;
+			fetch_refspec_nr = refmap.nr;
 		} else {
 			fetch_refspec = transport->remote->fetch.items;
 			fetch_refspec_nr = transport->remote->fetch.nr;
 		}
 
 		for (i = 0; i < fetch_refspec_nr; i++)
 			get_fetch_map(ref_map, &fetch_refspec[i], &oref_tail, 1);
-	} else if (refmap_array) {
+	} else if (refmap.nr) {
 		die("--refmap option is only meaningful with command-line refspec(s).");
 	} else {
 		/* Use the defaults */