[PATCH 4/4] stash: convert pop to builtin

[Joel Teichroeb <joel@teichroeb.net>]

---
 builtin/stash--helper.c | 38 ++++++++++++++++++++++++++++++++++++++
 git-stash.sh            |  3 ++-
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/builtin/stash--helper.c b/builtin/stash--helper.c
index 1598b82ac2..b912f84c97 100644
--- a/builtin/stash--helper.c
+++ b/builtin/stash--helper.c
@@ -12,6 +12,7 @@
 
 static const char * const git_stash_helper_usage[] = {
 	N_("git stash--helper drop [-q|--quiet] [<stash>]"),
+	N_("git stash--helper pop [--index] [-q|--quiet] [<stash>]"),
 	N_("git stash--helper apply [--index] [-q|--quiet] [<stash>]"),
 	N_("git stash--helper branch <branchname> [<stash>]"),
 	N_("git stash--helper clear"),
@@ -23,6 +24,11 @@ static const char * const git_stash_helper_drop_usage[] = {
 	NULL
 };
 
+static const char * const git_stash_helper_pop_usage[] = {
+	N_("git stash--helper pop [--index] [-q|--quiet] [<stash>]"),
+	NULL
+};
+
 static const char * const git_stash_helper_apply_usage[] = {
 	N_("git stash--helper apply [--index] [-q|--quiet] [<stash>]"),
 	NULL
@@ -402,6 +408,36 @@ static int drop_stash(int argc, const char **argv, const char *prefix)
 	return do_drop_stash(prefix, &info);
 }
 
+static int pop_stash(int argc, const char **argv, const char *prefix)
+{
+	int index = 0;
+	const char *commit = NULL;
+	struct stash_info info;
+	struct option options[] = {
+		OPT__QUIET(&quiet, N_("be quiet, only report errors")),
+		OPT_BOOL(0, "index", &index,
+			N_("attempt to ininstate the index")),
+		OPT_END()
+	};
+
+	argc = parse_options(argc, argv, prefix, options,
+			git_stash_helper_pop_usage, 0);
+
+	if (argc == 1)
+		commit = argv[0];
+
+	if (get_stash_info(&info, commit))
+		return -1;
+
+	if (!info.is_stash_ref)
+		return error(_("'%s' is not a stash reference"), commit);
+
+	if (do_apply_stash(prefix, &info, index))
+		return -1;
+
+	return do_drop_stash(prefix, &info);
+}
+
 static int branch_stash(int argc, const char **argv, const char *prefix)
 {
 	const char *commit = NULL, *branch = NULL;
@@ -464,6 +500,8 @@ int cmd_stash__helper(int argc, const char **argv, const char *prefix)
 		result = clear_stash(argc, argv, prefix);
 	else if (!strcmp(argv[0], "drop"))
 		result = drop_stash(argc, argv, prefix);
+	else if (!strcmp(argv[0], "pop"))
+		result = pop_stash(argc, argv, prefix);
 	else if (!strcmp(argv[0], "branch"))
 		result = branch_stash(argc, argv, prefix);
 	else {
diff --git a/git-stash.sh b/git-stash.sh
index 54d0a6c21f..d595bbaf64 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -732,7 +732,8 @@ drop)
 	;;
 pop)
 	shift
-	pop_stash "$@"
+	cd "$START_DIR"
+	git stash--helper pop "$@"
 	;;
 branch)
 	shift
-- 
2.16.2