stash: convert branch to builtin

diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c
index a730f6a1aa47a60d4c131ee47076411a129d8080..eb74774cbc9d6bd6acf1b7fe2f31b8e80e461a12 100644 (file)
--- a/builtin/checkout-index.c
+++ b/builtin/checkout-index.c
@@ -132,6 +132,8 @@ static const char * const builtin_checkout_index_usage[] = {
 static int option_parse_stage(const struct option *opt,
                              const char *arg, int unset)
 {
+       BUG_ON_OPT_NEG(unset);
+
        if (!strcmp(arg, "all")) {
                to_tempfile = 1;
                checkout_stage = CHECKOUT_ALL;
@@ -172,7 +174,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
                        N_("write the content to temporary files")),
                OPT_STRING(0, "prefix", &state.base_dir, N_("string"),
                        N_("when creating files, prepend <string>")),
-               { OPTION_CALLBACK, 0, "stage", NULL, "1-3|all",
+               { OPTION_CALLBACK, 0, "stage", NULL, "(1|2|3|all)",
                        N_("copy out the files from named stage"),
                        PARSE_OPT_NONEG, option_parse_stage },
                OPT_END()
@@ -190,6 +192,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
 
        argc = parse_options(argc, argv, prefix, builtin_checkout_index_options,
                        builtin_checkout_index_usage, 0);
+       state.istate = &the_index;
        state.force = force;
        state.quiet = quiet;
        state.not_new = not_new;