linux-kernel - Re: [PATCH -next] get_maintainer: Improve "Author:" rolestats

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Date:	Tue, 05 Nov 2013 10:22:46 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Joe Perches <joe@...ches.com>
CC:	Chen Gang F T <chen.gang.flying.transformer@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] get_maintainer: Improve "Author:" rolestats

On 11/05/2013 05:54 AM, Joe Perches wrote:
> Add this to "try this"...
> 
> Chen Gang's defect is because his git repository branch
> had a commit he authored but where did not add his signature.
> 

Hmm... for pure next-20131101 tree in my git directory and the demo
patches in attachment, it will cause this issue.

And excuse me, I am not quite familiar with git, could you provide more
details (e.g. where the special difference of the demo patches or the
pure next-20131101 tree in my git directory)? thanks.

> Also, there's a defect in function vcs_find_signers.
> It should only return the commit count and array references.
> 
> If there are no signers in the commit history interval specified,
> then the "authors" array is added to the "signers" array and
> returned as a single array.
> 
> Use references instead.
> 
> Make sure that references are defined in the places
> that vcs_find_signers is called.
> 

After apply the patch below, it can work well.

Tested-by Chen Gang <gang.chen@...anux.com>



> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  scripts/get_maintainer.pl | 21 +++++++++++----------
>  1 file changed, 11 insertions(+), 10 deletions(-)
> 
> diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
> index ee9adb8..9c3986f 100755
> --- a/scripts/get_maintainer.pl
> +++ b/scripts/get_maintainer.pl
> @@ -128,7 +128,7 @@ my %VCS_cmds_git = (
>      "blame_commit_pattern" => "^([0-9a-f]+) ",
>      "author_pattern" => "^GitAuthor: (.*)",
>      "subject_pattern" => "^GitSubject: (.*)",
> -    "stat_pattern" => "(\\d+)\\t(\\d+)\\t\$file",
> +    "stat_pattern" => "^(\\d+)\\t(\\d+)\\t\$file\$",
>  );
>  
>  my %VCS_cmds_hg = (
> @@ -156,7 +156,7 @@ my %VCS_cmds_hg = (
>      "blame_commit_pattern" => "^([ 0-9a-f]+):",
>      "author_pattern" => "^HgAuthor: (.*)",
>      "subject_pattern" => "^HgSubject: (.*)",
> -    "stat_pattern" => "(\\d+)\t(\\d+)\t\$file",
> +    "stat_pattern" => "^(\\d+)\t(\\d+)\t\$file\$",
>  );
>  
>  my $conf = which_conf(".get_maintainer.conf");
> @@ -1297,7 +1297,7 @@ sub vcs_find_signers {
>  
>  #    print("stats: <@stats>\n");
>  
> -    return (0, @signatures, @authors) if !@...natures;
> +    return (0, \@signatures, \@authors, \@stats) if !@...natures;
>  
>      save_commits_by_author(@lines) if ($interactive);
>      save_commits_by_signer(@lines) if ($interactive);
> @@ -1880,9 +1880,10 @@ sub vcs_file_signoffs {
>      $cmd =~ s/(\$\w+)/$1/eeg;		# interpolate $cmd
>  
>      ($commits, $signers_ref, $authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
> -    @signers = @{$signers_ref};
> -    @authors = @{$authors_ref};
> -    @stats = @{$stats_ref};
> +
> +    @signers = @{$signers_ref} if defined $signers_ref;
> +    @authors = @{$authors_ref} if defined $authors_ref;
> +    @stats = @{$stats_ref} if defined $stats_ref;
>  
>  #    print("commits: <$commits>\nsigners:<@signers>\nauthors: <@authors>\nstats: <@stats>\n");
>  
> @@ -1965,8 +1966,8 @@ sub vcs_file_blame {
>  	    $cmd =~ s/(\$\w+)/$1/eeg;	#substitute variables in $cmd
>  
>  	    ($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
> -	    @commit_authors = @{$commit_authors_ref};
> -	    @commit_signers = @{$commit_signers_ref};
> +	    @commit_authors = @{$commit_authors_ref} if defined $commit_authors_ref;
> +	    @commit_signers = @{$commit_signers_ref} if defined $commit_signers_ref;
>  
>  	    push(@signers, @commit_signers);
>  	} else {
> @@ -1983,8 +1984,8 @@ sub vcs_file_blame {
>  		$cmd =~ s/(\$\w+)/$1/eeg;	#substitute variables in $cmd
>  
>  		($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
> -		@commit_authors = @{$commit_authors_ref};
> -		@commit_signers = @{$commit_signers_ref};
> +		@commit_authors = @{$commit_authors_ref} if defined $commit_authors_ref;
> +		@commit_signers = @{$commit_signers_ref} if defined $commit_signers_ref;
>  
>  		push(@signers, @commit_signers);
>  	    }
> 
> 
> 
> 


-- 
Chen Gang

View attachment "1.unused.patch" of type "text/x-patch" (1156 bytes)

View attachment "4.kgdb_extend.patch" of type "text/x-patch" (1505 bytes)