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upload-archive: handle "-h" option early 

Normally upload-archive forks off upload-archive--writer to
do the real work, and relays any errors back over the
sideband channel. This is a good thing when the command is
properly invoked remotely via ssh or git-daemon. But it's
confusing to curious users who try "git upload-archive -h".

Let's catch this invocation early and give a real usage
message, rather than spewing "-h does not appear to be a git
repository" amidst packet-lines. The chance of a false
positive due to a real client asking for the repo "-h" is
quite small.

Likewise, we'll catch "-h" in upload-archive--writer. People
shouldn't be invoking it manually, but it doesn't hurt to
give a sane message if they do.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2017-05-30 01:13:43 -04:00 committed by Junio C Hamano
parent 42fa0cbfe0
commit 619b6c1710
1 changed files with 4 additions and 1 deletions
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5
builtin/upload-archive.c
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@ -22,7 +22,7 @@ int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix)
struct argv_array sent_argv = ARGV_ARRAY_INIT;
const char *arg_cmd = "argument ";
if (argc != 2)
if (argc != 2 || !strcmp(argv[1], "-h"))
usage(upload_archive_usage);
if (!enter_repo(argv[1], 0))
@ -76,6 +76,9 @@ int cmd_upload_archive(int argc, const char **argv, const char *prefix)
{
struct child_process writer = { argv };
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(upload_archive_usage);
/*
* Set up sideband subprocess.
*