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Re: [PATCH 1/1 v2] checkpatch: remove false warning for commit reference

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On Wed, 2017-06-07 at 20:40 +0200, Heinrich Schuchardt wrote:
> Checkpatch warns of an incorrect commit reference style
> for any hexadecimal number of 12 digits and more.
> 
> Numbers of 12 digits are not necessarily commit ids.
> 
> For an example provoking the problem see
> https://patchwork.kernel.org/patch/9170897/
> 
> Checkpatch should only warn if the number refers to an
> existing commit.
> 
> Cc: Joe Perches <joe@perches.com>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
> v2:
> 	changed formatting according to suggestions by Joe Perches

Wow, the original patch was 8+ months ago.  Anyway:

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

> ---
>  scripts/checkpatch.pl | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 4b9569fa931b..3895978c5bbd 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -866,6 +866,7 @@ sub git_commit_info {
>  #		    echo "commit $(cut -c 1-12,41-)"
>  #		done
>  	} elsif ($lines[0] =~ /^fatal: ambiguous argument '$commit': unknown revision or path not in the working tree\./) {
> +		$id = undef;
>  	} else {
>  		$id = substr($lines[0], 0, 12);
>  		$desc = substr($lines[0], 41);
> @@ -2605,7 +2606,8 @@ sub process {
>  			($id, $description) = git_commit_info($orig_commit,
>  							      $id, $orig_desc);
>  
> -			if ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens) {
> +			if (defined($id) &&
> +			   ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens)) {
>  				ERROR("GIT_COMMIT_ID",
>  				      "Please use git commit description style 'commit <12+ chars of sha1> (\"<title line>\")' - ie: '${init_char}ommit $id (\"$description\")'\n" . $herecurr);
>  			}

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[PATCH 1/1 v2] checkpatch: remove false warning for commit reference Heinrich Schuchardt <xypron.glpk@gmx.de> - 2017-06-07 20:50 +0200
  Re: [PATCH 1/1 v2] checkpatch: remove false warning for commit  reference Joe Perches <joe@perches.com> - 2017-06-07 21:00 +0200

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