stash: convert branch to builtin

diff --git a/builtin/stash--helper.c b/builtin/stash--helper.c
index c515f0b358306b608a2e1f84c217924df1731ceb..c9874e2f5da25659f9038396e533d31c15172c81 100644 (file)
--- a/builtin/stash--helper.c
+++ b/builtin/stash--helper.c
@@ -14,6 +14,7 @@
 static const char * const git_stash_helper_usage[] = {
        N_("git stash--helper drop [-q|--quiet] [<stash>]"),
        N_("git stash--helper apply [--index] [-q|--quiet] [<stash>]"),
+       N_("git stash--helper branch <branchname> [<stash>]"),
        N_("git stash--helper clear"),
        NULL
 };
@@ -28,6 +29,11 @@ static const char * const git_stash_helper_apply_usage[] = {
        NULL
 };
 
+static const char * const git_stash_helper_branch_usage[] = {
+       N_("git stash--helper branch <branchname> [<stash>]"),
+       NULL
+};
+
 static const char * const git_stash_helper_clear_usage[] = {
        N_("git stash--helper clear"),
        NULL
@@ -536,6 +542,44 @@ static int drop_stash(int argc, const char **argv, const char *prefix)
        return ret;
 }
 
+static int branch_stash(int argc, const char **argv, const char *prefix)
+{
+       int ret;
+       const char *branch = NULL;
+       struct stash_info info;
+       struct child_process cp = CHILD_PROCESS_INIT;
+       struct option options[] = {
+               OPT_END()
+       };
+
+       argc = parse_options(argc, argv, prefix, options,
+                            git_stash_helper_branch_usage, 0);
+
+       if (!argc) {
+               fprintf_ln(stderr, _("No branch name specified"));
+               return -1;
+       }
+
+       branch = argv[0];
+
+       if (get_stash_info(&info, argc - 1, argv + 1))
+               return -1;
+
+       cp.git_cmd = 1;
+       argv_array_pushl(&cp.args, "checkout", "-b", NULL);
+       argv_array_push(&cp.args, branch);
+       argv_array_push(&cp.args, oid_to_hex(&info.b_commit));
+       ret = run_command(&cp);
+       if (!ret)
+               ret = do_apply_stash(prefix, &info, 1, 0);
+       if (!ret && info.is_stash_ref)
+               ret = do_drop_stash(prefix, &info, 0);
+
+       free_stash_info(&info);
+
+       return ret;
+}
+
 int cmd_stash__helper(int argc, const char **argv, const char *prefix)
 {
        pid_t pid = getpid();
@@ -562,6 +606,8 @@ int cmd_stash__helper(int argc, const char **argv, const char *prefix)
                return !!clear_stash(argc, argv, prefix);
        else if (!strcmp(argv[0], "drop"))
                return !!drop_stash(argc, argv, prefix);
+       else if (!strcmp(argv[0], "branch"))
+               return !!branch_stash(argc, argv, prefix);
 
        usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]),
                      git_stash_helper_usage, options);