Re: [PATCH] sequencer: fix cleanup with --signoff and -x

> From: Phillip Wood <phillip.wood@dunelm.org.uk>
>
> Before commit 356ee4659b ("sequencer: try to commit without forking 'git
> commit'", 2017-11-24) when --signoff or -x were given on the command
> line the commit message was cleaned up with --cleanup=space or
> commit.cleanup if it was set. Unfortunately this behavior was lost when
> I implemented committing without forking. Fix this and add some tests to
> catch future regressions.
>
> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
> ---

>
> This clashes with dl/merge-cleanup-scissors-fix, I've sent some
> rebased patches to Denton and he's going to send a re-roll based on
> those.
>
>  sequencer.c              | 24 +++++++++++++++++-------
>  sequencer.h              |  1 +
>  t/t3511-cherry-pick-x.sh | 20 ++++++++++++++++++++
>  3 files changed, 38 insertions(+), 7 deletions(-)
>
> diff --git a/sequencer.c b/sequencer.c
> index 0db410d590..15457bbe71 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -172,17 +172,22 @@ static int git_sequencer_config(const char *k, const char *v, void *cb)
>  		if (status)
>  			return status;
>
> -		if (!strcmp(s, "verbatim"))
> +		if (!strcmp(s, "verbatim")) {
>  			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_NONE;
> -		else if (!strcmp(s, "whitespace"))
> +			opts->explicit_cleanup = 1;
> +		} else if (!strcmp(s, "whitespace")) {
>  			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SPACE;
> -		else if (!strcmp(s, "strip"))
> +			opts->explicit_cleanup = 1;
> +		} else if (!strcmp(s, "strip")) {
>  			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_ALL;
> -		else if (!strcmp(s, "scissors"))
> +			opts->explicit_cleanup = 1;
> +		} else if (!strcmp(s, "scissors")) {
>  			opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SPACE;
> -		else
> +			opts->explicit_cleanup = 1;
> +		} else {
>  			warning(_("invalid commit message cleanup mode '%s'"),
>  				  s);
> +		}
>
>  		free((char *)s);
>  		return status;
> @@ -1382,8 +1387,13 @@ static int try_to_commit(struct repository *r,
>  		msg = &commit_msg;
>  	}
>
> -	cleanup = (flags & CLEANUP_MSG) ? COMMIT_MSG_CLEANUP_ALL :
> -					  opts->default_msg_cleanup;
> +	if (flags & CLEANUP_MSG)
> +		cleanup = COMMIT_MSG_CLEANUP_ALL;
> +	else if ((opts->signoff || opts->record_origin) &&
> +		 !opts->explicit_cleanup)
> +		cleanup = COMMIT_MSG_CLEANUP_SPACE;
> +	else
> +		cleanup = opts->default_msg_cleanup;
>
>  	if (cleanup != COMMIT_MSG_CLEANUP_NONE)
>  		strbuf_stripspace(msg, cleanup == COMMIT_MSG_CLEANUP_ALL);
> diff --git a/sequencer.h b/sequencer.h
> index 4d505b3590..82bc7a48d5 100644
> --- a/sequencer.h
> +++ b/sequencer.h
> @@ -47,6 +47,7 @@ struct replay_opts {
>
>  	char *gpg_sign;
>  	enum commit_msg_cleanup_mode default_msg_cleanup;
> +	int explicit_cleanup;
>
>  	/* Merge strategy */
>  	char *strategy;
> diff --git a/t/t3511-cherry-pick-x.sh b/t/t3511-cherry-pick-x.sh
> index 9888bf34b9..84a587daf3 100755
> --- a/t/t3511-cherry-pick-x.sh
> +++ b/t/t3511-cherry-pick-x.sh
> @@ -298,4 +298,24 @@ test_expect_success 'cherry-pick preserves commit message' '
>  	test_cmp expect actual
>  '
>
> +test_expect_success 'cherry-pick -x cleans commit message' '
> +	pristine_detach initial &&
> +	git cherry-pick -x mesg-unclean &&
> +	git log -1 --pretty=format:%B >actual &&
> +	printf "%s\n(cherry picked from commit %s)\n" \
> +		"$mesg_unclean" $(git rev-parse mesg-unclean) |
> +			git stripspace >expect &&
> +	test_cmp expect actual
> +'
> +
> +test_expect_success 'cherry-pick -x respects commit.cleanup' '
> +	pristine_detach initial &&
> +	git -c commit.cleanup=strip cherry-pick -x mesg-unclean &&
> +	git log -1 --pretty=format:%B >actual &&
> +	printf "%s\n(cherry picked from commit %s)\n" \
> +		"$mesg_unclean" $(git rev-parse mesg-unclean) |
> +			git stripspace -s >expect &&
> +	test_cmp expect actual
> +'
> +
>  test_done
> --
> 2.21.0
>
>