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get_maintainer.pl
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#!/usr/bin/perl -w
# (c) 2007, Joe Perches <joe@perches.com>
# created from checkpatch.pl
#
# Print selected MAINTAINERS information for
# the files modified in a patch or for a file
#
# usage: perl scripts/get_maintainer.pl [OPTIONS] <patch>
# perl scripts/get_maintainer.pl [OPTIONS] -f <file>
#
# Licensed under the terms of the GNU GPL License version 2
use strict;
my $P = $0;
my $V = '0.26';
use Getopt::Long qw(:config no_auto_abbrev);
my $lk_path = "./";
my $email = 1;
my $email_usename = 1;
my $email_maintainer = 1;
my $email_reviewer = 1;
my $email_list = 1;
my $email_subscriber_list = 0;
my $email_git_penguin_chiefs = 0;
my $email_git = 0;
my $email_git_all_signature_types = 0;
my $email_git_blame = 0;
my $email_git_blame_signatures = 1;
my $email_git_fallback = 1;
my $email_git_min_signatures = 1;
my $email_git_max_maintainers = 5;
my $email_git_min_percent = 5;
my $email_git_since = "1-year-ago";
my $email_hg_since = "-365";
my $interactive = 0;
my $email_remove_duplicates = 1;
my $email_use_mailmap = 1;
my $output_multiline = 1;
my $output_separator = ", ";
my $output_roles = 0;
my $output_rolestats = 1;
my $scm = 0;
my $web = 0;
my $subsystem = 0;
my $status = 0;
my $keywords = 1;
my $sections = 0;
my $file_emails = 0;
my $from_filename = 0;
my $pattern_depth = 0;
my $version = 0;
my $help = 0;
my $vcs_used = 0;
my $exit = 0;
my %commit_author_hash;
my %commit_signer_hash;
my @penguin_chief = ();
push(@penguin_chief, "Linus Torvalds:torvalds\@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 $chief (@penguin_chief) {
if ($chief =~ m/^(.*):(.*)/) {
my $chief_name = $1;
my $chief_addr = $2;
push(@penguin_chief_names, $chief_name);
}
}
my $penguin_chiefs = "\(" . join("|", @penguin_chief_names) . "\)";
# Signature types of people who are either
# a) responsible for the code in question, or
# b) familiar enough with it to give relevant feedback
my @signature_tags = ();
push(@signature_tags, "Signed-off-by:");
push(@signature_tags, "Reviewed-by:");
push(@signature_tags, "Acked-by:");
my $signature_pattern = "\(" . join("|", @signature_tags) . "\)";
# rfc822 email address - preloaded methods go here.
my $rfc822_lwsp = "(?:(?:\\r\\n)?[ \\t])";
my $rfc822_char = '[\\000-\\377]';
# VCS command support: class-like functions and strings
my %VCS_cmds;
my %VCS_cmds_git = (
"execute_cmd" => \&git_execute_cmd,
"available" => '(which("git") ne "") && (-e ".git")',
"find_signers_cmd" =>
"git log --no-color --follow --since=\$email_git_since " .
'--numstat --no-merges ' .
'--format="GitCommit: %H%n' .
'GitAuthor: %an <%ae>%n' .
'GitDate: %aD%n' .
'GitSubject: %s%n' .
'%b%n"' .
" -- \$file",
"find_commit_signers_cmd" =>
"git log --no-color " .
'--numstat ' .
'--format="GitCommit: %H%n' .
'GitAuthor: %an <%ae>%n' .
'GitDate: %aD%n' .
'GitSubject: %s%n' .
'%b%n"' .
" -1 \$commit",
"find_commit_author_cmd" =>
"git log --no-color " .
'--numstat ' .
'--format="GitCommit: %H%n' .
'GitAuthor: %an <%ae>%n' .
'GitDate: %aD%n' .
'GitSubject: %s%n"' .
" -1 \$commit",
"blame_range_cmd" => "git blame -l -L \$diff_start,+\$diff_length \$file",
"blame_file_cmd" => "git blame -l \$file",
"commit_pattern" => "^GitCommit: ([0-9a-f]{40,40})",
"blame_commit_pattern" => "^([0-9a-f]+) ",
"author_pattern" => "^GitAuthor: (.*)",
"subject_pattern" => "^GitSubject: (.*)",
"stat_pattern" => "^(\\d+)\\t(\\d+)\\t\$file\$",
);
my %VCS_cmds_hg = (
"execute_cmd" => \&hg_execute_cmd,
"available" => '(which("hg") ne "") && (-d ".hg")',
"find_signers_cmd" =>
"hg log --date=\$email_hg_since " .
"--template='HgCommit: {node}\\n" .
"HgAuthor: {author}\\n" .
"HgSubject: {desc}\\n'" .
" -- \$file",
"find_commit_signers_cmd" =>
"hg log " .
"--template='HgSubject: {desc}\\n'" .
" -r \$commit",
"find_commit_author_cmd" =>
"hg log " .
"--template='HgCommit: {node}\\n" .
"HgAuthor: {author}\\n" .
"HgSubject: {desc|firstline}\\n'" .
" -r \$commit",
"blame_range_cmd" => "", # not supported
"blame_file_cmd" => "hg blame -n \$file",
"commit_pattern" => "^HgCommit: ([0-9a-f]{40,40})",
"blame_commit_pattern" => "^([ 0-9a-f]+):",
"author_pattern" => "^HgAuthor: (.*)",
"subject_pattern" => "^HgSubject: (.*)",
"stat_pattern" => "^(\\d+)\t(\\d+)\t\$file\$",
);
my $conf = which_conf(".get_maintainer.conf");
if (-f $conf) {
my @conf_args;
open(my $conffile, '<', "$conf")
or warn "$P: Can't find a readable .get_maintainer.conf file $!\n";
while (<$conffile>) {
my $line = $_;
$line =~ s/\s*\n?$//g;
$line =~ s/^\s*//g;
$line =~ s/\s+/ /g;
next if ($line =~ m/^\s*#/);
next if ($line =~ m/^\s*$/);
my @words = split(" ", $line);
foreach my $word (@words) {
last if ($word =~ m/^#/);
push (@conf_args, $word);
}
}
close($conffile);
unshift(@ARGV, @conf_args) if @conf_args;
}
my @ignore_emails = ();
my $ignore_file = which_conf(".get_maintainer.ignore");
if (-f $ignore_file) {
open(my $ignore, '<', "$ignore_file")
or warn "$P: Can't find a readable .get_maintainer.ignore file $!\n";
while (<$ignore>) {
my $line = $_;
$line =~ s/\s*\n?$//;
$line =~ s/^\s*//;
$line =~ s/\s+$//;
$line =~ s/#.*$//;
next if ($line =~ m/^\s*$/);
if (rfc822_valid($line)) {
push(@ignore_emails, $line);
}
}
close($ignore);
}
if (!GetOptions(
'email!' => \$email,
'git!' => \$email_git,
'git-all-signature-types!' => \$email_git_all_signature_types,
'git-blame!' => \$email_git_blame,
'git-blame-signatures!' => \$email_git_blame_signatures,
'git-fallback!' => \$email_git_fallback,
'git-chief-penguins!' => \$email_git_penguin_chiefs,
'git-min-signatures=i' => \$email_git_min_signatures,
'git-max-maintainers=i' => \$email_git_max_maintainers,
'git-min-percent=i' => \$email_git_min_percent,
'git-since=s' => \$email_git_since,
'hg-since=s' => \$email_hg_since,
'i|interactive!' => \$interactive,
'remove-duplicates!' => \$email_remove_duplicates,
'mailmap!' => \$email_use_mailmap,
'm!' => \$email_maintainer,
'r!' => \$email_reviewer,
'n!' => \$email_usename,
'l!' => \$email_list,
's!' => \$email_subscriber_list,
'multiline!' => \$output_multiline,
'roles!' => \$output_roles,
'rolestats!' => \$output_rolestats,
'separator=s' => \$output_separator,
'subsystem!' => \$subsystem,
'status!' => \$status,
'scm!' => \$scm,
'web!' => \$web,
'pattern-depth=i' => \$pattern_depth,
'k|keywords!' => \$keywords,
'sections!' => \$sections,
'fe|file-emails!' => \$file_emails,
'f|file' => \$from_filename,
'v|version' => \$version,
'h|help|usage' => \$help,
)) {
die "$P: invalid argument - use --help if necessary\n";
}
if ($help != 0) {
usage();
exit 0;
}
if ($version != 0) {
print("${P} ${V}\n");
exit 0;
}
if (-t STDIN && !@ARGV) {
# We're talking to a terminal, but have no command line arguments.
die "$P: missing patchfile or -f file - use --help if necessary\n";
}
$output_multiline = 0 if ($output_separator ne ", ");
$output_rolestats = 1 if ($interactive);
$output_roles = 1 if ($output_rolestats);
if ($sections) {
$email = 0;
$email_list = 0;
$scm = 0;
$status = 0;
$subsystem = 0;
$web = 0;
$keywords = 0;
$interactive = 0;
} else {
my $selections = $email + $scm + $status + $subsystem + $web;
if ($selections == 0) {
die "$P: Missing required option: email, scm, status, subsystem or web\n";
}
}
if ($email &&
($email_maintainer + $email_reviewer +
$email_list + $email_subscriber_list +
$email_git + $email_git_penguin_chiefs + $email_git_blame) == 0) {
die "$P: Please select at least 1 email option\n";
}
if (!top_of_kernel_tree($lk_path)) {
die "$P: The current directory does not appear to be "
. "a linux kernel source tree.\n";
}
## Read MAINTAINERS for type/value pairs
my @typevalue = ();
my %keyword_hash;
open (my $maint, '<', "${lk_path}MAINTAINERS")
or die "$P: Can't open MAINTAINERS: $!\n";
while (<$maint>) {
my $line = $_;
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
##Filename pattern matching
if ($type eq "F" || $type eq "X") {
$value =~ s@\.@\\\.@g; ##Convert . to \.
$value =~ s/\*/\.\*/g; ##Convert * to .*
$value =~ s/\?/\./g; ##Convert ? to .
##if pattern is a directory and it lacks a trailing slash, add one
if ((-d $value)) {
$value =~ s@([^/])$@$1/@;
}
} elsif ($type eq "K") {
$keyword_hash{@typevalue} = $value;
}
push(@typevalue, "$type:$value");
} elsif (!/^(\s)*$/) {
$line =~ s/\n$//g;
push(@typevalue, $line);
}
}
close($maint);
#
# Read mail address map
#
my $mailmap;
read_mailmap();
sub read_mailmap {
$mailmap = {
names => {},
addresses => {}
};
return if (!$email_use_mailmap || !(-f "${lk_path}.mailmap"));
open(my $mailmap_file, '<', "${lk_path}.mailmap")
or warn "$P: Can't open .mailmap: $!\n";
while (<$mailmap_file>) {
s/#.*$//; #strip comments
s/^\s+|\s+$//g; #trim
next if (/^\s*$/); #skip empty lines
#entries have one of the following formats:
# name1 <mail1>
# <mail1> <mail2>
# name1 <mail1> <mail2>
# name1 <mail1> name2 <mail2>
# (see man git-shortlog)
if (/^([^<]+)<([^>]+)>$/) {
my $real_name = $1;
my $address = $2;
$real_name =~ s/\s+$//;
($real_name, $address) = parse_email("$real_name <$address>");
$mailmap->{names}->{$address} = $real_name;
} elsif (/^<([^>]+)>\s*<([^>]+)>$/) {
my $real_address = $1;
my $wrong_address = $2;
$mailmap->{addresses}->{$wrong_address} = $real_address;
} elsif (/^(.+)<([^>]+)>\s*<([^>]+)>$/) {
my $real_name = $1;
my $real_address = $2;
my $wrong_address = $3;
$real_name =~ s/\s+$//;
($real_name, $real_address) =
parse_email("$real_name <$real_address>");
$mailmap->{names}->{$wrong_address} = $real_name;
$mailmap->{addresses}->{$wrong_address} = $real_address;
} elsif (/^(.+)<([^>]+)>\s*(.+)\s*<([^>]+)>$/) {
my $real_name = $1;
my $real_address = $2;
my $wrong_name = $3;
my $wrong_address = $4;
$real_name =~ s/\s+$//;
($real_name, $real_address) =
parse_email("$real_name <$real_address>");
$wrong_name =~ s/\s+$//;
($wrong_name, $wrong_address) =
parse_email("$wrong_name <$wrong_address>");
my $wrong_email = format_email($wrong_name, $wrong_address, 1);
$mailmap->{names}->{$wrong_email} = $real_name;
$mailmap->{addresses}->{$wrong_email} = $real_address;
}
}
close($mailmap_file);
}
## use the filenames on the command line or find the filenames in the patchfiles
my @files = ();
my @range = ();
my @keyword_tvi = ();
my @file_emails = ();
if (!@ARGV) {
push(@ARGV, "&STDIN");
}
foreach my $file (@ARGV) {
if ($file ne "&STDIN") {
##if $file is a directory and it lacks a trailing slash, add one
if ((-d $file)) {
$file =~ s@([^/])$@$1/@;
} elsif (!(-f $file)) {
die "$P: file '${file}' not found\n";
}
}
if ($from_filename) {
push(@files, $file);
if ($file ne "MAINTAINERS" && -f $file && ($keywords || $file_emails)) {
open(my $f, '<', $file)
or die "$P: Can't open $file: $!\n";
my $text = do { local($/) ; <$f> };
close($f);
if ($keywords) {
foreach my $line (keys %keyword_hash) {
if ($text =~ m/$keyword_hash{$line}/x) {
push(@keyword_tvi, $line);
}
}
}
if ($file_emails) {
my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
push(@file_emails, clean_file_emails(@poss_addr));
}
}
} else {
my $file_cnt = @files;
my $lastfile;
open(my $patch, "< $file")
or die "$P: Can't open $file: $!\n";
# We can check arbitrary information before the patch
# like the commit message, mail headers, etc...
# This allows us to match arbitrary keywords against any part
# of a git format-patch generated file (subject tags, etc...)
my $patch_prefix = ""; #Parsing the intro
while (<$patch>) {
my $patch_line = $_;
if (m/^\+\+\+\s+(\S+)/ or m/^---\s+(\S+)/) {
my $filename = $1;
$filename =~ s@^[^/]*/@@;
$filename =~ s@\n@@;
$lastfile = $filename;
push(@files, $filename);
$patch_prefix = "^[+-].*"; #Now parsing the actual patch
} elsif (m/^\@\@ -(\d+),(\d+)/) {
if ($email_git_blame) {
push(@range, "$lastfile:$1:$2");
}
} elsif ($keywords) {
foreach my $line (keys %keyword_hash) {
if ($patch_line =~ m/${patch_prefix}$keyword_hash{$line}/x) {
push(@keyword_tvi, $line);
}
}
}
}
close($patch);
if ($file_cnt == @files) {
warn "$P: file '${file}' doesn't appear to be a patch. "
. "Add -f to options?\n";
}
@files = sort_and_uniq(@files);
}
}
@file_emails = uniq(@file_emails);
my %email_hash_name;
my %email_hash_address;
my @email_to = ();
my %hash_list_to;
my @list_to = ();
my @scm = ();
my @web = ();
my @subsystem = ();
my @status = ();
my %deduplicate_name_hash = ();
my %deduplicate_address_hash = ();
my @maintainers = get_maintainers();
if (@maintainers) {
@maintainers = merge_email(@maintainers);
output(@maintainers);
}
if ($scm) {
@scm = uniq(@scm);
output(@scm);
}
if ($status) {
@status = uniq(@status);
output(@status);
}
if ($subsystem) {
@subsystem = uniq(@subsystem);
output(@subsystem);
}
if ($web) {
@web = uniq(@web);
output(@web);
}
exit($exit);
sub ignore_email_address {
my ($address) = @_;
foreach my $ignore (@ignore_emails) {
return 1 if ($ignore eq $address);
}
return 0;
}
sub range_is_maintained {
my ($start, $end) = @_;
for (my $i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
if ($type eq 'S') {
if ($value =~ /(maintain|support)/i) {
return 1;
}
}
}
}
return 0;
}
sub range_has_maintainer {
my ($start, $end) = @_;
for (my $i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
if ($type eq 'M') {
return 1;
}
}
}
return 0;
}
sub get_maintainers {
%email_hash_name = ();
%email_hash_address = ();
%commit_author_hash = ();
%commit_signer_hash = ();
@email_to = ();
%hash_list_to = ();
@list_to = ();
@scm = ();
@web = ();
@subsystem = ();
@status = ();
%deduplicate_name_hash = ();
%deduplicate_address_hash = ();
if ($email_git_all_signature_types) {
$signature_pattern = "(.+?)[Bb][Yy]:";
} else {
$signature_pattern = "\(" . join("|", @signature_tags) . "\)";
}
# Find responsible parties
my %exact_pattern_match_hash = ();
foreach my $file (@files) {
my %hash;
my $tvi = find_first_section();
while ($tvi < @typevalue) {
my $start = find_starting_index($tvi);
my $end = find_ending_index($tvi);
my $exclude = 0;
my $i;
#Do not match excluded file patterns
for ($i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
if ($type eq 'X') {
if (file_match_pattern($file, $value)) {
$exclude = 1;
last;
}
}
}
}
if (!$exclude) {
for ($i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ m/^(\C):\s*(.*)/) {
my $type = $1;
my $value = $2;
if ($type eq 'F') {
if (file_match_pattern($file, $value)) {
my $value_pd = ($value =~ tr@/@@);
my $file_pd = ($file =~ tr@/@@);
$value_pd++ if (substr($value,-1,1) ne "/");
$value_pd = -1 if ($value =~ /^\.\*/);
if ($value_pd >= $file_pd &&
range_is_maintained($start, $end) &&
range_has_maintainer($start, $end)) {
$exact_pattern_match_hash{$file} = 1;
}
if ($pattern_depth == 0 ||
(($file_pd - $value_pd) < $pattern_depth)) {
$hash{$tvi} = $value_pd;
}
}
} elsif ($type eq 'N') {
if ($file =~ m/$value/x) {
$hash{$tvi} = 0;
}
}
}
}
}
$tvi = $end + 1;
}
foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
add_categories($line);
if ($sections) {
my $i;
my $start = find_starting_index($line);
my $end = find_ending_index($line);
for ($i = $start; $i < $end; $i++) {
my $line = $typevalue[$i];
if ($line =~ /^[FX]:/) { ##Restore file patterns
$line =~ s/([^\\])\.([^\*])/$1\?$2/g;
$line =~ s/([^\\])\.$/$1\?/g; ##Convert . back to ?
$line =~ s/\\\./\./g; ##Convert \. to .
$line =~ s/\.\*/\*/g; ##Convert .* to *
}
$line =~ s/^([A-Z]):/$1:\t/g;
print("$line\n");
}
print("\n");
}
}
}
if ($keywords) {
@keyword_tvi = sort_and_uniq(@keyword_tvi);
foreach my $line (@keyword_tvi) {
add_categories($line);
}
}
foreach my $email (@email_to, @list_to) {
$email->[0] = deduplicate_email($email->[0]);
}
foreach my $file (@files) {
if ($email &&
($email_git || ($email_git_fallback &&
!$exact_pattern_match_hash{$file}))) {
vcs_file_signoffs($file);
}
if ($email && $email_git_blame) {
vcs_file_blame($file);
}
}
if ($email) {
foreach my $chief (@penguin_chief) {
if ($chief =~ m/^(.*):(.*)/) {
my $email_address;
$email_address = format_email($1, $2, $email_usename);
if ($email_git_penguin_chiefs) {
push(@email_to, [$email_address, 'chief penguin']);
} else {
@email_to = grep($_->[0] !~ /${email_address}/, @email_to);
}
}
}
foreach my $email (@file_emails) {
my ($name, $address) = parse_email($email);
my $tmp_email = format_email($name, $address, $email_usename);
push_email_address($tmp_email, '');
add_role($tmp_email, 'in file');
}
}
my @to = ();
if ($email || $email_list) {
if ($email) {
@to = (@to, @email_to);
}
if ($email_list) {
@to = (@to, @list_to);
}
}
if ($interactive) {
@to = interactive_get_maintainers(\@to);
}
return @to;
}
sub file_match_pattern {
my ($file, $pattern) = @_;
if (substr($pattern, -1) eq "/") {
if ($file =~ m@^$pattern@) {
return 1;
}
} else {
if ($file =~ m@^$pattern@) {
my $s1 = ($file =~ tr@/@@);
my $s2 = ($pattern =~ tr@/@@);
if ($s1 == $s2) {
return 1;
}
}
}
return 0;
}
sub usage {
print <<EOT;
usage: $P [options] patchfile
$P [options] -f file|directory
version: $V
MAINTAINER field selection options:
--email => print email address(es) if any
--git => include recent git \*-by: signers
--git-all-signature-types => include signers regardless of signature type
or use only ${signature_pattern} signers (default: $email_git_all_signature_types)
--git-fallback => use git when no exact MAINTAINERS pattern (default: $email_git_fallback)
--git-chief-penguins => include ${penguin_chiefs}
--git-min-signatures => number of signatures required (default: $email_git_min_signatures)
--git-max-maintainers => maximum maintainers to add (default: $email_git_max_maintainers)
--git-min-percent => minimum percentage of commits required (default: $email_git_min_percent)
--git-blame => use git blame to find modified commits for patch or file
--git-since => git history to use (default: $email_git_since)
--hg-since => hg history to use (default: $email_hg_since)
--interactive => display a menu (mostly useful if used with the --git option)
--m => include maintainer(s) if any
--r => include reviewer(s) if any
--n => include name 'Full Name <addr\@domain.tld>'
--l => include list(s) if any
--s => include subscriber only list(s) if any
--remove-duplicates => minimize duplicate email names/addresses
--roles => show roles (status:subsystem, git-signer, list, etc...)
--rolestats => show roles and statistics (commits/total_commits, %)
--file-emails => add email addresses found in -f file (default: 0 (off))
--scm => print SCM tree(s) if any
--status => print status if any
--subsystem => print subsystem name if any
--web => print website(s) if any
Output type options:
--separator [, ] => separator for multiple entries on 1 line
using --separator also sets --nomultiline if --separator is not [, ]
--multiline => print 1 entry per line
Other options:
--pattern-depth => Number of pattern directory traversals (default: 0 (all))
--keywords => scan patch for keywords (default: $keywords)
--sections => print all of the subsystem sections with pattern matches
--mailmap => use .mailmap file (default: $email_use_mailmap)
--version => show version
--help => show this help information
Default options:
[--email --nogit --git-fallback --m --n --l --multiline -pattern-depth=0
--remove-duplicates --rolestats]
Notes:
Using "-f directory" may give unexpected results:
Used with "--git", git signators for _all_ files in and below
directory are examined as git recurses directories.
Any specified X: (exclude) pattern matches are _not_ ignored.
Used with "--nogit", directory is used as a pattern match,
no individual file within the directory or subdirectory
is matched.
Used with "--git-blame", does not iterate all files in directory
Using "--git-blame" is slow and may add old committers and authors
that are no longer active maintainers to the output.
Using "--roles" or "--rolestats" with git send-email --cc-cmd or any
other automated tools that expect only ["name"] <email address>
may not work because of additional output after <email address>.
Using "--rolestats" and "--git-blame" shows the #/total=% commits,
not the percentage of the entire file authored. # of commits is
not a good measure of amount of code authored. 1 major commit may
contain a thousand lines, 5 trivial commits may modify a single line.
If git is not installed, but mercurial (hg) is installed and an .hg
repository exists, the following options apply to mercurial:
--git,
--git-min-signatures, --git-max-maintainers, --git-min-percent, and
--git-blame
Use --hg-since not --git-since to control date selection
File ".get_maintainer.conf", if it exists in the linux kernel source root
directory, can change whatever get_maintainer defaults are desired.
Entries in this file can be any command line argument.
This file is prepended to any additional command line arguments.
Multiple lines and # comments are allowed.
EOT
}
sub top_of_kernel_tree {
my ($lk_path) = @_;
if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") {
$lk_path .= "/";
}
if ( (-f "${lk_path}COPYING")
&& (-f "${lk_path}CREDITS")
&& (-f "${lk_path}Kbuild")
&& (-f "${lk_path}MAINTAINERS")
&& (-f "${lk_path}Makefile")
&& (-f "${lk_path}README")
&& (-d "${lk_path}Documentation")
&& (-d "${lk_path}arch")
&& (-d "${lk_path}include")
&& (-d "${lk_path}drivers")
&& (-d "${lk_path}fs")
&& (-d "${lk_path}init")
&& (-d "${lk_path}ipc")
&& (-d "${lk_path}kernel")
&& (-d "${lk_path}lib")
&& (-d "${lk_path}scripts")) {
return 1;
}
return 0;
}
sub parse_email {
my ($formatted_email) = @_;
my $name = "";
my $address = "";
if ($formatted_email =~ /^([^<]+)<(.+\@.*)>.*$/) {
$name = $1;
$address = $2;
} elsif ($formatted_email =~ /^\s*<(.+\@\S*)>.*$/) {
$address = $1;
} elsif ($formatted_email =~ /^(.+\@\S*).*$/) {
$address = $1;
}
$name =~ s/^\s+|\s+$//g;
$name =~ s/^\"|\"$//g;
$address =~ s/^\s+|\s+$//g;
if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
$name =~ s/(?<!\\)"/\\"/g; ##escape quotes
$name = "\"$name\"";
}
return ($name, $address);
}
sub format_email {
my ($name, $address, $usename) = @_;
my $formatted_email;
$name =~ s/^\s+|\s+$//g;
$name =~ s/^\"|\"$//g;
$address =~ s/^\s+|\s+$//g;
if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
$name =~ s/(?<!\\)"/\\"/g; ##escape quotes
$name = "\"$name\"";
}
if ($usename) {
if ("$name" eq "") {
$formatted_email = "$address";
} else {
$formatted_email = "$name <$address>";
}
} else {
$formatted_email = $address;
}
return $formatted_email;
}
sub find_first_section {
my $index = 0;
while ($index < @typevalue) {
my $tv = $typevalue[$index];
if (($tv =~ m/^(\C):\s*(.*)/)) {
last;
}
$index++;
}
return $index;
}
sub find_starting_index {
my ($index) = @_;
while ($index > 0) {
my $tv = $typevalue[$index];
if (!($tv =~ m/^(\C):\s*(.*)/)) {
last;
}
$index--;
}
return $index;
}
sub find_ending_index {
my ($index) = @_;
while ($index < @typevalue) {
my $tv = $typevalue[$index];
if (!($tv =~ m/^(\C):\s*(.*)/)) {
last;
}
$index++;
}
return $index;
}
sub get_maintainer_role {
my ($index) = @_;
my $i;
my $start = find_starting_index($index);
my $end = find_ending_index($index);
my $role = "unknown";
my $subsystem = $typevalue[$start];
if (length($subsystem) > 20) {
$subsystem = substr($subsystem, 0, 17);
$subsystem =~ s/\s*$//;
$subsystem = $subsystem . "...";
}
for ($i = $start + 1; $i < $end; $i++) {
my $tv = $typevalue[$i];
if ($tv =~ m/^(\C):\s*(.*)/) {
my $ptype = $1;
my $pvalue = $2;
if ($ptype eq "S") {
$role = $pvalue;
}
}
}
$role = lc($role);
if ($role eq "supported") {
$role = "supporter";