[PATCH v9 11/21] stash: convert list to builtin

[Paul-Sebastian Ungureanu]

Add stash list to the helper and delete the list_stash function
from the shell script.

Signed-off-by: Paul-Sebastian Ungureanu <ungureanupaulsebast...@gmail.com>
---
 builtin/stash--helper.c | 31 +++++++++++++++++++++++++++++++
 git-stash.sh            |  7 +------
 2 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/builtin/stash--helper.c b/builtin/stash--helper.c
index c1f78d3275..9e256690ec 100644
--- a/builtin/stash--helper.c
+++ b/builtin/stash--helper.c
@@ -12,6 +12,7 @@
 #include "rerere.h"
 
 static const char * const git_stash_helper_usage[] = {
+       N_("git stash--helper list [<options>]"),
        N_("git stash--helper drop [-q|--quiet] [<stash>]"),
        N_("git stash--helper ( pop | apply ) [--index] [-q|--quiet] 
[<stash>]"),
        N_("git stash--helper branch <branchname> [<stash>]"),
@@ -19,6 +20,11 @@ static const char * const git_stash_helper_usage[] = {
        NULL
 };
 
+static const char * const git_stash_helper_list_usage[] = {
+       N_("git stash--helper list [<options>]"),
+       NULL
+};
+
 static const char * const git_stash_helper_drop_usage[] = {
        N_("git stash--helper drop [-q|--quiet] [<stash>]"),
        NULL
@@ -614,6 +620,29 @@ static int branch_stash(int argc, const char **argv, const 
char *prefix)
        return ret;
 }
 
+static int list_stash(int argc, const char **argv, const char *prefix)
+{
+       struct child_process cp = CHILD_PROCESS_INIT;
+       struct option options[] = {
+               OPT_END()
+       };
+
+       argc = parse_options(argc, argv, prefix, options,
+                            git_stash_helper_list_usage,
+                            PARSE_OPT_KEEP_UNKNOWN);
+
+       if (!ref_exists(ref_stash))
+               return 0;
+
+       cp.git_cmd = 1;
+       argv_array_pushl(&cp.args, "log", "--format=%gd: %gs", "-g",
+                        "--first-parent", "-m", NULL);
+       argv_array_pushv(&cp.args, argv);
+       argv_array_push(&cp.args, ref_stash);
+       argv_array_push(&cp.args, "--");
+       return run_command(&cp);
+}
+
 int cmd_stash__helper(int argc, const char **argv, const char *prefix)
 {
        pid_t pid = getpid();
@@ -644,6 +673,8 @@ int cmd_stash__helper(int argc, const char **argv, const 
char *prefix)
                return !!pop_stash(argc, argv, prefix);
        else if (!strcmp(argv[0], "branch"))
                return !!branch_stash(argc, argv, prefix);
+       else if (!strcmp(argv[0], "list"))
+               return !!list_stash(argc, argv, prefix);
 
        usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]),
                      git_stash_helper_usage, options);
diff --git a/git-stash.sh b/git-stash.sh
index 8f2640fe90..6052441aa2 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -382,11 +382,6 @@ have_stash () {
        git rev-parse --verify --quiet $ref_stash >/dev/null
 }
 
-list_stash () {
-       have_stash || return 0
-       git log --format="%gd: %gs" -g --first-parent -m "$@" $ref_stash --
-}
-
 show_stash () {
        ALLOW_UNKNOWN_FLAGS=t
        assert_stash_like "$@"
@@ -574,7 +569,7 @@ test -n "$seen_non_option" || set "push" "$@"
 case "$1" in
 list)
        shift
-       list_stash "$@"
+       git stash--helper list "$@"
        ;;
 show)
        shift
-- 
2.19.0.rc0.23.g1fb9f40d88