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Date: Wed, 14 Jan 2009 11:37:17 -0800
From: Joe Perches <joe@...ches.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: torvalds@...ux-foundation.org, pavel@....cz,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/10] MAINTAINERS - script, patterns, and misc fixes
On Tue, 2009-01-13 at 23:13 -0800, Andrew Morton wrote:
> On Tue, 13 Jan 2009 20:26:50 -0800 Joe Perches <joe@...ches.com> wrote:
> > get_maintainer output is in alphabetical order,
> > not ordered by signer frequency.
> The latter would be better?
> > Balbir Singh is one of the top 5 signers over the last year
> > for mm/filemap.c excluding you and Linus.
> > $ git log --since=1-year-ago mm/filemap.c | \
> > grep -P "^ +.*by:" | sort | uniq -c | sort -rn | head
> > 38 Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
> > 35 Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> > 14 Signed-off-by: Nick Piggin <npiggin@...e.de>
> > 5 Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> > 5 Signed-off-by: Hugh Dickins <hugh@...itas.com>
> > 4 Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
> > 4 Signed-off-by: Balbir Singh <balbir@...ux.vnet.ibm.com>
> I assume there's some remove-akpm rule? If so, can we please remove
> it? This tool will be used for bug reports and patches - I want to see
> those emails!
Hi Andrew.
This seems to do what you want.
commit ce0155dfa768f29e09b45a818e177274ff26bf97
Author: Joe Perches <joe@...ches.com>
Date: Wed Jan 14 11:25:06 2009 -0800
scripts/get_maintainers.pl - Output maintainers by commit frequency
Do not sort the maintainers alphabetically
Also add git options:
git-max-maintainers - maximum # of signers to list
git-min-signatures - minimum signatures to be considered maintainer
git-since - git history to use
Signed-off-by: Joe Perches <joe@...ches.com>
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 43da676..48e2d5f 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -13,7 +13,7 @@
use strict;
my $P = $0;
-my $V = '0.12';
+my $V = '0.13';
use Getopt::Long qw(:config no_auto_abbrev);
@@ -25,6 +25,9 @@ my $email_list = 1;
my $email_subscriber_list = 0;
my $email_git = 1;
my $email_git_penguin_chiefs = 0;
+my $email_git_min_signatures = 1;
+my $email_git_max_maintainers = 5;
+my $email_git_since = "1-year-ago";
my $output_multiline = 1;
my $output_separator = ", ";
my $scm = 0;
@@ -37,7 +40,8 @@ my $exit = 0;
my @penguin_chief = ();
push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org");
-push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org");
+#Andrew wants in on most everything - 2009/01/14
+#push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org");
my @penguin_chief_names = ();
foreach my $chief (@penguin_chief) {
@@ -53,6 +57,9 @@ if (!GetOptions(
'email!' => \$email,
'git!' => \$email_git,
'git-chief-penguins!' => \$email_git_penguin_chiefs,
+ 'git-min-signatures=i' => \$email_git_min_signatures,
+ 'git-max-maintainers=i' => \$email_git_max_maintainers,
+ 'git-since=s' => \$email_git_since,
'm!' => \$email_maintainer,
'n!' => \$email_usename,
'l!' => \$email_list,
@@ -154,29 +161,11 @@ my @status = ();
# Find responsible parties
-if ($email_git_penguin_chiefs) {
- foreach my $chief (@penguin_chief) {
- if ($chief =~ m/^(.*):(.*)/) {
- my $chief_name = $1;
- my $chief_addr = $2;
- if ($email_usename) {
- push(@email_to, format_email($chief_name, $chief_addr));
- } else {
- push(@email_to, $chief_addr);
- }
- }
- }
-}
-
foreach my $file (@files) {
- my $exclude = 0;
-
- if ($email_git) {
- recent_git_signoffs($file);
- }
#Do not match excluded file patterns
+ my $exclude = 0;
foreach my $line (@typevalue) {
if ($line =~ m/^(\C):(.*)/) {
my $type = $1;
@@ -204,6 +193,25 @@ foreach my $file (@files) {
$tvi++;
}
}
+
+ if ($email_git) {
+ recent_git_signoffs($file);
+ }
+
+}
+
+if ($email_git_penguin_chiefs) {
+ foreach my $chief (@penguin_chief) {
+ if ($chief =~ m/^(.*):(.*)/) {
+ my $chief_name = $1;
+ my $chief_addr = $2;
+ if ($email_usename) {
+ push(@email_to, format_email($chief_name, $chief_addr));
+ } else {
+ push(@email_to, $chief_addr);
+ }
+ }
+ }
}
if ($email) {
@@ -211,7 +219,9 @@ if ($email) {
if ($address_cnt == 0 && $email_list) {
push(@email_to, "linux-kernel\@vger.kernel.org");
}
- @email_to = sort_and_uniq(@email_to);
+
+#Don't sort email address list, but do remove duplicates
+ @email_to = uniq(@email_to);
output(@email_to);
}
@@ -273,6 +283,9 @@ MAINTAINER field selection options:
--email => print email address(es) if any
--git => include recent git \*-by: signers
--git-chief-penguins => include ${penguin_chiefs}
+ --git-min-signatures => number of signatures required (default: 1)
+ --git-max-maintainers => maximum maintainers to add (default: 5)
+ --git-max-history => git history to use (default: 1-year-ago)
--m => include maintainer(s) if any
--n => include name 'Full Name <addr\@domain.tld>'
--l => include list(s) if any
@@ -406,27 +419,36 @@ sub recent_git_signoffs {
my $sign_offs = "";
my $cmd = "";
my $output = "";
-
+ my $count = 0;
my @lines = ();
if (which("git") eq "") {
die("$P: git not found. Add --nogit to options?\n");
}
- $cmd = "git log --since=12.months.ago -- ${file}";
- $cmd .= " | grep -i '^ [-a-z]*by:.*\\\@'";
+ $cmd = "git log --since=${email_git_since} -- ${file}";
+ $cmd .= " | grep -P '^ [-A-Za-z]+by:.*\\\@'";
if (!$email_git_penguin_chiefs) {
$cmd .= " | grep -E -v \"${penguin_chiefs}\"";
}
- $cmd .= " | sort | uniq -c | sort -r -n | head -n 5";
- $cmd .= " | cut -f 2 -d ':' -s";
+ $cmd .= " | sort | uniq -c | sort -rn";
$output = `${cmd}`;
-
$output =~ s/^\s*//gm;
@lines = split("\n", $output);
foreach my $line (@lines) {
+ if ($line =~ m/([0-9]+)\s+([-A-Za-z]+by:)\s+(.*)/) {
+ my $sign_offs = $1;
+ $line = $3;
+ $count++;
+ if ($sign_offs < $email_git_min_signatures ||
+ $count > $email_git_max_maintainers) {
+ last;
+ }
+ } else {
+ die("$P: Unexpected git output: ${line}\n");
+ }
if ($line =~ m/(.*) <(.*)>/) {
my $git_name = $1;
my $git_addr = $2;
@@ -447,6 +469,14 @@ sub recent_git_signoffs {
return $output;
}
+sub uniq {
+ my @parms = @_;
+
+ my %saw;
+ @parms = grep(!$saw{$_}++, @parms);
+ return @parms;
+}
+
sub sort_and_uniq {
my @parms = @_;
--
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