Re: [RFC/PATCH] archive: "--list" does not take further options

[Junio C Hamano <gitster@pobox.com>]

Jeff King <peff@peff.net> writes:

> On Thu, Dec 21, 2023 at 08:30:36AM +0100, René Scharfe wrote:
>> ...
>> Don't we have one?  It would affect other unsupported options as well,
>> and this seems to work just fine, e.g.:
>> ...
> Right. The whole idea of upload-archive is to spawn a separate writer
> process and mux the conversation (including errors) back over the wire.

Thanks, both.  Just to tie the loose end, let me queue this and
merge it to 'next'.

----- >8 --------- >8 --------- >8 -----
Subject: [PATCH] archive: "--list" does not take further options

"git archive --list blah" should notice an extra command line
parameter that goes unused.  Make it so.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 archive.c           |  2 ++
 t/t5000-tar-tree.sh | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/archive.c b/archive.c
index ca11db185b..8da820d1ce 100644
--- a/archive.c
+++ b/archive.c
@@ -685,6 +685,8 @@ static int parse_archive_args(int argc, const char **argv,
 		base = "";
 
 	if (list) {
+		if (argc)
+			die(_("extra command line parameter '%s'"), *argv);
 		for (i = 0; i < nr_archivers; i++)
 			if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE)
 				printf("%s\n", archivers[i]->name);
diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh
index 4b4c3315d8..72b8d0ff02 100755
--- a/t/t5000-tar-tree.sh
+++ b/t/t5000-tar-tree.sh
@@ -124,6 +124,16 @@ test_expect_success 'setup' '
 	EOF
 '
 
+test_expect_success '--list notices extra parameters' '
+	test_must_fail git archive --list blah &&
+	test_must_fail git archive --remote=. --list blah
+'
+
+test_expect_success 'end-of-options is correctly eaten' '
+	git archive --list --end-of-options &&
+	git archive --remote=. --list --end-of-options
+'
+
 test_expect_success 'populate workdir' '
 	mkdir a &&
 	echo simple textfile >a/a &&
-- 
2.43.0-174-g055bb6e996