[Linux-kernel-mentees] [PATCH] checkpatch: add fix option for GERRIT_CHANGE_ID

[Joe Perches]

On Fri, 2020-10-30 at 17:14 +0530, Aditya Srivastava wrote:
> Currently, whenever a Gerrit Change-Id is present in a commit,
> checkpatch.pl warns to remove the Change-Id before submitting the patch.
> 
> E.g., running checkpatch on commit adc311a5bbf6 ("iwlwifi: bump FW
> API to 53 for 22000 series") reports this error:
> 
> ERROR: Remove Gerrit Change-Id's before submitting upstream
> Change-Id: I5725e46394f3f53c3069723fd513cc53c7df383d
> 
> Provide a simple fix option by simply deleting the indicated line.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -2852,8 +2852,11 @@ sub process {
>  
> 
>  # Check for Gerrit Change-Ids not in any patch context
>  		if ($realfile eq '' && !$has_patch_separator && $line =~ /^\s*change-id:/i) {
> -			ERROR("GERRIT_CHANGE_ID",
> -			      "Remove Gerrit Change-Id's before submitting upstream\n" . $herecurr);
> +			if (ERROR("GERRIT_CHANGE_ID",
> +			          "Remove Gerrit Change-Id's before submitting upstream\n" . $herecurr) &&
> +			    $fix) {
> +                                fix_delete_line($fixlinenr, $rawline);
> +                        }
>  		}

Seems sensible, thanks.

It might also be sensible if the line before and the line after
this change-id is also blank to remove one of those blank lines.

On second thought:

A quick check shows less than 20 of those in kernel git history
so it might not be too worthwhile.

Acked-by: Joe Perches <joe at perches.com>