[PATCH 2/7] stage: add helper to run commands

@@ -4,12 +4,34 @@
 
 #include "builtin.h"
 #include "parse-options.h"
+#include "run-command.h"
 
 static const char *const stage_usage[] = {
 	N_("git stage [options] [--] <paths>..."),
 	NULL
 };
 
+static int rerun(int argc, const char **argv, ...)
+{
+	int ret;
+	struct strvec args = STRVEC_INIT;
+	va_list ap;
+	const char *arg;
+	int i;
+
+	va_start(ap, argv);
+	while ((arg = va_arg(ap, const char *)))
+		strvec_push(&args, arg);
+	va_end(ap);
+
+	for (i = 0; i < argc; i++)
+		strvec_push(&args, argv[i]);
+
+	ret = run_command_v_opt(args.v, RUN_GIT_CMD);
+	strvec_clear(&args);
+	return ret;
+}
+
 int cmd_stage(int argc, const char **argv, const char *prefix)
 {
 	struct option options[] = {

@@ -17,7 +39,7 @@ int cmd_stage(int argc, const char **argv, const char *prefix)
 	};
 
 	argc = parse_options(argc, argv, prefix, options, stage_usage,
-		PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);
+		PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);
 
-	return cmd_add(argc, argv, prefix);
+	return rerun(argc, argv, "add", NULL);
 }