Re: [RFC][PATCH] checkpatch: Properly warn if Change-Id comes after first Signed-off-by line

From: John Stultz
Date: Tue Feb 25 2020 - 12:45:30 EST


On Mon, Feb 24, 2020 at 10:50 PM Joe Perches <joe@xxxxxxxxxxx> wrote:
> > Since I have a few kernel repos that I use for both upstream work and
> > work targeting AOSP trees, I usually have the gerrit commit hook
> > enabled in my tree (its easier to strip with sed then it is to re-add
> > after submitting to gerrit), and at least the commit-msg hook I have
> > will usually append a Change-Id: line at the end of the commit
> > message, usually after the signed-off-by line.
>
> Perhaps this is better:
> ---
> scripts/checkpatch.pl | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index a63380..698c7c8 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -2721,9 +2721,9 @@ sub process {
> }
>
> # Check for unwanted Gerrit info
> - if ($in_commit_log && $line =~ /^\s*change-id:/i) {
> + if ($realfile eq '' && $line =~ /^\s*change-id:/i) {
> ERROR("GERRIT_CHANGE_ID",
> - "Remove Gerrit Change-Id's before submitting upstream.\n" . $herecurr);
> + "Remove Gerrit Change-Id's before submitting upstream\n" . $herecurr);
> }
>
> # Check if the commit log is in a possible stack dump
>

Yep. This works well for me, catching Change-Id lines that are missed
by the current code.

Tested-by: John Stultz <john.stultz@xxxxxxxxxx>

Thanks so much!
-john