forked from Minki/linux
get_maintainer: add commit author information to --rolestats
get_maintainer currently uses "Signed-off-by" style lines to find interested parties to send patches to when the MAINTAINERS file does not have a specific section entry with a matching file pattern. Add statistics for commit authors and lines added and deleted to the information provided by --rolestats. These statistics are also emitted whenever --rolestats and --git are selected even when there is a specified maintainer. This can have the effect of expanding the number of people that are shown as possible "maintainers" of a particular file because "authors", "added_lines", and "removed_lines" are also used as criterion for the --max-maintainers option separate from the "commit_signers". The first "--git-max-maintainers" values of each criterion are emitted. Any "ties" are not shown. For example: (forcedeth does not have a named maintainer) Old output: $ ./scripts/get_maintainer.pl -f drivers/net/ethernet/nvidia/forcedeth.c "David S. Miller" <davem@davemloft.net> (commit_signer:8/10=80%) Jiri Pirko <jiri@resnulli.us> (commit_signer:2/10=20%) Patrick McHardy <kaber@trash.net> (commit_signer:2/10=20%) Larry Finger <Larry.Finger@lwfinger.net> (commit_signer:1/10=10%) Peter Zijlstra <peterz@infradead.org> (commit_signer:1/10=10%) netdev@vger.kernel.org (open list:NETWORKING DRIVERS) linux-kernel@vger.kernel.org (open list) New output: $ ./scripts/get_maintainer.pl -f drivers/net/ethernet/nvidia/forcedeth.c "David S. Miller" <davem@davemloft.net> (commit_signer:8/10=80%) Jiri Pirko <jiri@resnulli.us> (commit_signer:2/10=20%,authored:2/10=20%,removed_lines:3/33=9%) Patrick McHardy <kaber@trash.net> (commit_signer:2/10=20%,authored:2/10=20%,added_lines:12/95=13%,removed_lines:10/33=30%) Larry Finger <Larry.Finger@lwfinger.net> (commit_signer:1/10=10%,authored:1/10=10%,added_lines:35/95=37%) Peter Zijlstra <peterz@infradead.org> (commit_signer:1/10=10%) "Peter Hüwe" <PeterHuewe@gmx.de> (authored:1/10=10%,removed_lines:15/33=45%) Joe Perches <joe@perches.com> (authored:1/10=10%) Neil Horman <nhorman@tuxdriver.com> (added_lines:40/95=42%) Bill Pemberton <wfp5p@virginia.edu> (removed_lines:3/33=9%) netdev@vger.kernel.org (open list:NETWORKING DRIVERS) linux-kernel@vger.kernel.org (open list) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches
Linus Torvalds
parent
1d3fa37034
commit
c9ecefea0b
@ -98,6 +98,7 @@ my %VCS_cmds_git = (
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"available" => '(which("git") ne "") && (-d ".git")',
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"find_signers_cmd" =>
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"git log --no-color --follow --since=\$email_git_since " .
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'--numstat --no-merges ' .
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'--format="GitCommit: %H%n' .
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'GitAuthor: %an <%ae>%n' .
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'GitDate: %aD%n' .
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@ -106,6 +107,7 @@ my %VCS_cmds_git = (
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" -- \$file",
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"find_commit_signers_cmd" =>
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"git log --no-color " .
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'--numstat ' .
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'--format="GitCommit: %H%n' .
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'GitAuthor: %an <%ae>%n' .
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'GitDate: %aD%n' .
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@ -114,6 +116,7 @@ my %VCS_cmds_git = (
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" -1 \$commit",
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"find_commit_author_cmd" =>
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"git log --no-color " .
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'--numstat ' .
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'--format="GitCommit: %H%n' .
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'GitAuthor: %an <%ae>%n' .
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'GitDate: %aD%n' .
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@ -125,6 +128,7 @@ my %VCS_cmds_git = (
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"blame_commit_pattern" => "^([0-9a-f]+) ",
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"author_pattern" => "^GitAuthor: (.*)",
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"subject_pattern" => "^GitSubject: (.*)",
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"stat_pattern" => "^(\\d+)\\t(\\d+)\\t\$file\$",
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);
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my %VCS_cmds_hg = (
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@ -152,6 +156,7 @@ my %VCS_cmds_hg = (
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"blame_commit_pattern" => "^([ 0-9a-f]+):",
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"author_pattern" => "^HgAuthor: (.*)",
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"subject_pattern" => "^HgSubject: (.*)",
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"stat_pattern" => "^(\\d+)\t(\\d+)\t\$file\$",
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);
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my $conf = which_conf(".get_maintainer.conf");
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@ -1269,20 +1274,30 @@ sub extract_formatted_signatures {
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}
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sub vcs_find_signers {
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my ($cmd) = @_;
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my ($cmd, $file) = @_;
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my $commits;
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my @lines = ();
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my @signatures = ();
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my @authors = ();
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my @stats = ();
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@lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
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my $pattern = $VCS_cmds{"commit_pattern"};
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my $author_pattern = $VCS_cmds{"author_pattern"};
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my $stat_pattern = $VCS_cmds{"stat_pattern"};
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$stat_pattern =~ s/(\$\w+)/$1/eeg; #interpolate $stat_pattern
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$commits = grep(/$pattern/, @lines); # of commits
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@authors = grep(/$author_pattern/, @lines);
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@signatures = grep(/^[ \t]*${signature_pattern}.*\@.*$/, @lines);
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@stats = grep(/$stat_pattern/, @lines);
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return (0, @signatures) if !@signatures;
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# print("stats: <@stats>\n");
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return (0, \@signatures, \@authors, \@stats) if !@signatures;
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save_commits_by_author(@lines) if ($interactive);
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save_commits_by_signer(@lines) if ($interactive);
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@ -1291,9 +1306,10 @@ sub vcs_find_signers {
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@signatures = grep(!/${penguin_chiefs}/i, @signatures);
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}
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my ($author_ref, $authors_ref) = extract_formatted_signatures(@authors);
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my ($types_ref, $signers_ref) = extract_formatted_signatures(@signatures);
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return ($commits, @$signers_ref);
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return ($commits, $signers_ref, $authors_ref, \@stats);
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}
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sub vcs_find_author {
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@ -1849,7 +1865,12 @@ sub vcs_assign {
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sub vcs_file_signoffs {
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my ($file) = @_;
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my $authors_ref;
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my $signers_ref;
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my $stats_ref;
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my @authors = ();
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my @signers = ();
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my @stats = ();
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my $commits;
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$vcs_used = vcs_exists();
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@ -1858,13 +1879,59 @@ sub vcs_file_signoffs {
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my $cmd = $VCS_cmds{"find_signers_cmd"};
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$cmd =~ s/(\$\w+)/$1/eeg; # interpolate $cmd
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($commits, @signers) = vcs_find_signers($cmd);
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($commits, $signers_ref, $authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
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@signers = @{$signers_ref} if defined $signers_ref;
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@authors = @{$authors_ref} if defined $authors_ref;
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@stats = @{$stats_ref} if defined $stats_ref;
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# print("commits: <$commits>\nsigners:<@signers>\nauthors: <@authors>\nstats: <@stats>\n");
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foreach my $signer (@signers) {
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$signer = deduplicate_email($signer);
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}
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vcs_assign("commit_signer", $commits, @signers);
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vcs_assign("authored", $commits, @authors);
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if ($#authors == $#stats) {
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my $stat_pattern = $VCS_cmds{"stat_pattern"};
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$stat_pattern =~ s/(\$\w+)/$1/eeg; #interpolate $stat_pattern
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my $added = 0;
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my $deleted = 0;
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for (my $i = 0; $i <= $#stats; $i++) {
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if ($stats[$i] =~ /$stat_pattern/) {
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$added += $1;
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$deleted += $2;
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}
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}
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my @tmp_authors = uniq(@authors);
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foreach my $author (@tmp_authors) {
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$author = deduplicate_email($author);
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}
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@tmp_authors = uniq(@tmp_authors);
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my @list_added = ();
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my @list_deleted = ();
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foreach my $author (@tmp_authors) {
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my $auth_added = 0;
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my $auth_deleted = 0;
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for (my $i = 0; $i <= $#stats; $i++) {
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if ($author eq deduplicate_email($authors[$i]) &&
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$stats[$i] =~ /$stat_pattern/) {
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$auth_added += $1;
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$auth_deleted += $2;
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}
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}
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for (my $i = 0; $i < $auth_added; $i++) {
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push(@list_added, $author);
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}
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for (my $i = 0; $i < $auth_deleted; $i++) {
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push(@list_deleted, $author);
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}
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}
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vcs_assign("added_lines", $added, @list_added);
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vcs_assign("removed_lines", $deleted, @list_deleted);
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}
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}
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sub vcs_file_blame {
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@ -1887,6 +1954,10 @@ sub vcs_file_blame {
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if ($email_git_blame_signatures) {
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if (vcs_is_hg()) {
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my $commit_count;
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my $commit_authors_ref;
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my $commit_signers_ref;
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my $stats_ref;
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my @commit_authors = ();
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my @commit_signers = ();
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my $commit = join(" -r ", @commits);
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my $cmd;
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@ -1894,19 +1965,27 @@ sub vcs_file_blame {
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$cmd = $VCS_cmds{"find_commit_signers_cmd"};
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$cmd =~ s/(\$\w+)/$1/eeg; #substitute variables in $cmd
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($commit_count, @commit_signers) = vcs_find_signers($cmd);
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($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
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@commit_authors = @{$commit_authors_ref} if defined $commit_authors_ref;
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@commit_signers = @{$commit_signers_ref} if defined $commit_signers_ref;
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push(@signers, @commit_signers);
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} else {
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foreach my $commit (@commits) {
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my $commit_count;
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my $commit_authors_ref;
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my $commit_signers_ref;
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my $stats_ref;
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my @commit_authors = ();
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my @commit_signers = ();
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my $cmd;
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$cmd = $VCS_cmds{"find_commit_signers_cmd"};
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$cmd =~ s/(\$\w+)/$1/eeg; #substitute variables in $cmd
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($commit_count, @commit_signers) = vcs_find_signers($cmd);
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($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
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@commit_authors = @{$commit_authors_ref} if defined $commit_authors_ref;
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@commit_signers = @{$commit_signers_ref} if defined $commit_signers_ref;
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push(@signers, @commit_signers);
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}
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