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From: Phillip Wood <phillip.wood123@gmail.com>
To: Luca Weiss via GitGitGadget <gitgitgadget@gmail.com>,
	git@vger.kernel.org
Cc: Luca Weiss <luca@z3ntu.xyz>
Subject: Re: [PATCH 2/2] merge: make sure to terminate message with newline
Date: Fri, 16 Jul 2021 11:23:06 +0100	[thread overview]
Message-ID: <8678772b-dd5d-9188-8b63-98d05cedb323@gmail.com> (raw)
In-Reply-To: <31371c25743e1001b4fac89e80e7206ff477ac8a.1626421416.git.gitgitgadget@gmail.com>


Hi Luca

Thanks for your patches. It would be very helpful to have the 
explanation from the cover letter in the commit messages for both 
commits to explain why this change is being made, otherwise that 
information will not appear in the history.

The cover letter says this happened when using '--no-edit', but unless 
I've missed something 'git merge --no-edit' creates its message using 
fmt_merge_msg() which calls strbuf_complete_line() just before it 
returns. append_signoff() and 'merge -m' always terminate the message 
with a newline. The only path I found that does not ensure the message 
ends with a newline before calling the prepare-commit-msg hook is when 
using '-F' and I suspect that may have been a deliberate decision but it 
could be an oversight. In any case we would want to make sure that 'git 
commit -F' and 'git merge -F' to behave the same which I think they do 
at the moment.

Best Wishes

Phillip

On 16/07/2021 08:43, Luca Weiss via GitGitGadget wrote:
> From: Luca Weiss <luca@z3ntu.xyz>
> 
> Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
> ---
>   builtin/merge.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/builtin/merge.c b/builtin/merge.c
> index a8a843b1f54..646bb49367f 100644
> --- a/builtin/merge.c
> +++ b/builtin/merge.c
> @@ -867,6 +867,7 @@ static void prepare_to_commit(struct commit_list *remoteheads)
>   	}
>   	if (signoff)
>   		append_signoff(&msg, ignore_non_trailer(msg.buf, msg.len), 0);
> +	strbuf_complete_line(&msg);
>   	write_merge_heads(remoteheads);
>   	write_file_buf(git_path_merge_msg(the_repository), msg.buf, msg.len);
>   	if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
> 


  reply	other threads:[~2021-07-16 10:23 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-16  7:43 [PATCH 0/2] Normalize newlines in merge & interpret-trailer Luca Weiss via GitGitGadget
2021-07-16  7:43 ` [PATCH 1/2] trailer: handle input without trailing newline Luca Weiss via GitGitGadget
2021-07-16 19:35   ` Jeff King
2021-07-16  7:43 ` [PATCH 2/2] merge: make sure to terminate message with newline Luca Weiss via GitGitGadget
2021-07-16 10:23   ` Phillip Wood [this message]
2021-07-16 12:37     ` Luca Weiss
2021-07-16 17:30       ` Phillip Wood
2021-07-16 19:33         ` Jeff King
2021-07-16 20:34           ` Junio C Hamano
2021-07-16 21:10             ` Jeff King
2021-07-16 22:13               ` Junio C Hamano
2021-07-17 13:40               ` Phillip Wood
2021-07-17 17:47                 ` Jeff King
2021-07-21 10:41                   ` Luca Weiss
2021-08-26 18:32                   ` Luca Weiss
2021-07-16 20:20   ` Junio C Hamano
2021-07-16 22:10 ` [PATCH 0/2] Normalize newlines in merge & interpret-trailer Junio C Hamano

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