Brandon Casey wrote:
> Currently, git will append two newlines to every message supplied via
> the -m switch. The purpose of this is to allow -m to be supplied
> multiple times and have each supplied string become a paragraph in the
> resulting commit message.
>
> Normally, this does not cause a problem since any trailing newlines will
> be removed by the cleanup operation. If cleanup=verbatim for example,
> then the trailing newlines will not be removed and will survive into the
> resulting commit message.
>
> Instead, let's ensure that the string supplied to -m is newline terminated,
> but only append a second newline when appending additional messages.
[...]
> --- a/builtin/commit.c
> +++ b/builtin/commit.c
> @@ -124,8 +124,10 @@ static int opt_parse_m(const struct option *opt, const
> char *arg, int unset)
> if (unset)
> strbuf_setlen(buf, 0);
> else {
> + if (buf->len)
> + strbuf_addch(buf, '\n');
> strbuf_addstr(buf, arg);
> - strbuf_addstr(buf, "\n\n");
> + strbuf_complete_line(buf);
As long as 'message' always consists of complete lines, this will
append 'arg' as a new paragraph, as desired. And no other code path
touches 'message', so it always consists of complete lines.
Thanks for a clear patch and explanation.
Reviewed-by: Jonathan Nieder <jrnie...@gmail.com>
(rest of patch kept unsnipped for reference)
> }
> return 0;
> }
> diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh
> index 39e55f8..292bc08 100755
> --- a/t/t7502-commit.sh
> +++ b/t/t7502-commit.sh
> @@ -204,7 +204,7 @@ test_expect_success 'cleanup commit messages (verbatim
> option,-F)' '
>
> '
>
> -test_expect_failure 'cleanup commit messages (verbatim option,-m)' '
> +test_expect_success 'cleanup commit messages (verbatim option,-m)' '
>
> echo >>negative &&
> git commit --cleanup=verbatim -m "$mesg_with_comment_and_newlines" -a &&
> --
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