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get_maintainer.pl
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get_maintainer.pl
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#!/usr/bin/perl -w
# (c) 2007, Joe Perches <[email protected]>
# 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 = '0.23';
use Getopt::Long qw(:config no_auto_abbrev);
my $lk_path = "./";
my $email = 1;
my $email_usename = 1;
my $email_maintainer = 1;
my $email_list = 1;
my $email_subscriber_list = 0;
my $email_git_penguin_chiefs = 0;
my $email_git = 1;
my $email_git_blame = 0;
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 $email_remove_duplicates = 1;
my $output_multiline = 1;
my $output_separator = ", ";
my $output_roles = 0;
my $output_rolestats = 0;
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 $exit = 0;
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 = "\(" . join("|",@penguin_chief_names) . "\)";
# 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 "") && (-d ".git")',
"find_signers_cmd" => "git log --no-color --since=\$email_git_since -- \$file",
"find_commit_signers_cmd" => "git log --no-color -1 \$commit",
"blame_range_cmd" => "git blame -l -L \$diff_start,+\$diff_length \$file",
"blame_file_cmd" => "git blame -l \$file",
"commit_pattern" => "^commit [0-9a-f]{40,40}",
"blame_commit_pattern" => "^([0-9a-f]+) "
);
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='commit {node}\\n{desc}\\n' -- \$file",
"find_commit_signers_cmd" => "hg log --template='{desc}\\n' -r \$commit",
"blame_range_cmd" => "", # not supported
"blame_file_cmd" => "hg blame -c \$file",
"commit_pattern" => "^commit [0-9a-f]{40,40}",
"blame_commit_pattern" => "^([0-9a-f]+):"
);
if (!GetOptions(
'email!' => \$email,
'git!' => \$email_git,
'git-blame!' => \$email_git_blame,
'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,
'remove-duplicates!' => \$email_remove_duplicates,
'm!' => \$email_maintainer,
'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";
}
if ($output_separator ne ", ") {
$output_multiline = 0;
}
if ($output_rolestats) {
$output_roles = 1;
}
if ($sections) {
$email = 0;
$email_list = 0;
$scm = 0;
$status = 0;
$subsystem = 0;
$web = 0;
$keywords = 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_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(MAINT, "<${lk_path}MAINTAINERS") || die "$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, $line);
}
}
close(MAINT);
my %mailmap;
if ($email_remove_duplicates) {
open(MAILMAP, "<${lk_path}.mailmap") || warn "$P: Can't open .mailmap\n";
while (<MAILMAP>) {
my $line = $_;
next if ($line =~ m/^\s*#/);
next if ($line =~ m/^\s*$/);
my ($name, $address) = parse_email($line);
$line = format_email($name, $address, $email_usename);
next if ($line =~ m/^\s*$/);
if (exists($mailmap{$name})) {
my $obj = $mailmap{$name};
push(@$obj, $address);
} else {
my @arr = ($address);
$mailmap{$name} = \@arr;
}
}
close(MAILMAP);
}
## 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 (-f $file && ($keywords || $file_emails)) {
open(FILE, "<$file") or die "$P: Can't open ${file}\n";
my $text = do { local($/) ; <FILE> };
close(FILE);
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 $lastfile;
open(PATCH, "<$file") or die "$P: Can't open ${file}\n";
while (<PATCH>) {
my $patch_line = $_;
if (m/^\+\+\+\s+(\S+)/) {
my $filename = $1;
$filename =~ s@^[^/]*/@@;
$filename =~ s@\n@@;
$lastfile = $filename;
push(@files, $filename);
} elsif (m/^\@\@ -(\d+),(\d+)/) {
if ($email_git_blame) {
push(@range, "$lastfile:$1:$2");
}
} elsif ($keywords) {
foreach my $line (keys %keyword_hash) {
if ($patch_line =~ m/^[+-].*$keyword_hash{$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_to = ();
my @list_to = ();
my @scm = ();
my @web = ();
my @subsystem = ();
my @status = ();
# Find responsible parties
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)) {
$exclude = 1;
}
}
}
}
if (!$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 "/");
if ($pattern_depth == 0 ||
(($file_pd - $value_pd) < $pattern_depth)) {
$hash{$tvi} = $value_pd;
}
}
}
}
}
}
$tvi += ($end - $start);
}
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 ($email && $email_git) {
vcs_file_signoffs($file);
}
if ($email && $email_git_blame) {
vcs_file_blame($file);
}
}
if ($keywords) {
@keyword_tvi = sort_and_uniq(@keyword_tvi);
foreach my $line (@keyword_tvi) {
add_categories($line);
}
}
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($tmp_email, 'in file');
}
}
if ($email || $email_list) {
my @to = ();
if ($email) {
@to = (@to, @email_to);
}
if ($email_list) {
@to = (@to, @list_to);
}
output(merge_email(@to));
}
if ($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 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-chief-penguins => include ${penguin_chiefs}
--git-min-signatures => number of signatures required (default: 1)
--git-max-maintainers => maximum maintainers to add (default: 5)
--git-min-percent => minimum percentage of commits required (default: 5)
--git-blame => use git blame to find modified commits for patch or file
--git-since => git history to use (default: 1-year-ago)
--hg-since => hg history to use (default: -365)
--m => include maintainer(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: 1 (on))
--sections => print the entire subsystem sections with pattern matches
--version => show version
--help => show this help information
Default options:
[--email --git --m --n --l --multiline --pattern-depth=0 --remove-duplicates]
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
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 =~ /[^a-z0-9 \.\-]/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 =~ /[^a-z0-9 \.\-]/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;
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") {
$role = "supporter";
} elsif ($role eq "maintained") {
$role = "maintainer";
} elsif ($role eq "odd fixes") {
$role = "odd fixer";
} elsif ($role eq "orphan") {
$role = "orphan minder";
} elsif ($role eq "obsolete") {
$role = "obsolete minder";
} elsif ($role eq "buried alive in reporters") {
$role = "chief penguin";
}
return $role . ":" . $subsystem;
}
sub get_list_role {
my ($index) = @_;
my $i;
my $start = find_starting_index($index);
my $end = find_ending_index($index);
my $subsystem = $typevalue[$start];
if (length($subsystem) > 20) {
$subsystem = substr($subsystem, 0, 17);
$subsystem =~ s/\s*$//;
$subsystem = $subsystem . "...";
}
if ($subsystem eq "THE REST") {
$subsystem = "";
}
return $subsystem;
}
sub add_categories {
my ($index) = @_;
my $i;
my $start = find_starting_index($index);
my $end = find_ending_index($index);
push(@subsystem, $typevalue[$start]);
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 "L") {
my $list_address = $pvalue;
my $list_additional = "";
my $list_role = get_list_role($i);
if ($list_role ne "") {
$list_role = ":" . $list_role;
}
if ($list_address =~ m/([^\s]+)\s+(.*)$/) {
$list_address = $1;
$list_additional = $2;
}
if ($list_additional =~ m/subscribers-only/) {
if ($email_subscriber_list) {
push(@list_to, [$list_address, "subscriber list${list_role}"]);
}
} else {
if ($email_list) {
push(@list_to, [$list_address, "open list${list_role}"]);
}
}
} elsif ($ptype eq "M") {
my ($name, $address) = parse_email($pvalue);
if ($name eq "") {
if ($i > 0) {
my $tv = $typevalue[$i - 1];
if ($tv =~ m/^(\C):\s*(.*)/) {
if ($1 eq "P") {
$name = $2;
$pvalue = format_email($name, $address, $email_usename);
}
}
}
}
if ($email_maintainer) {
my $role = get_maintainer_role($i);
push_email_addresses($pvalue, $role);
}
} elsif ($ptype eq "T") {
push(@scm, $pvalue);
} elsif ($ptype eq "W") {
push(@web, $pvalue);
} elsif ($ptype eq "S") {
push(@status, $pvalue);
}
}
}
}
my %email_hash_name;
my %email_hash_address;
sub email_inuse {
my ($name, $address) = @_;
return 1 if (($name eq "") && ($address eq ""));
return 1 if (($name ne "") && exists($email_hash_name{$name}));
return 1 if (($address ne "") && exists($email_hash_address{$address}));
return 0;
}
sub push_email_address {
my ($line, $role) = @_;
my ($name, $address) = parse_email($line);
if ($address eq "") {
return 0;
}
if (!$email_remove_duplicates) {
push(@email_to, [format_email($name, $address, $email_usename), $role]);
} elsif (!email_inuse($name, $address)) {
push(@email_to, [format_email($name, $address, $email_usename), $role]);
$email_hash_name{$name}++;
$email_hash_address{$address}++;
}
return 1;
}
sub push_email_addresses {
my ($address, $role) = @_;
my @address_list = ();
if (rfc822_valid($address)) {
push_email_address($address, $role);
} elsif (@address_list = rfc822_validlist($address)) {
my $array_count = shift(@address_list);
while (my $entry = shift(@address_list)) {
push_email_address($entry, $role);
}
} else {
if (!push_email_address($address, $role)) {
warn("Invalid MAINTAINERS address: '" . $address . "'\n");
}
}
}
sub add_role {
my ($line, $role) = @_;
my ($name, $address) = parse_email($line);
my $email = format_email($name, $address, $email_usename);
foreach my $entry (@email_to) {
if ($email_remove_duplicates) {
my ($entry_name, $entry_address) = parse_email($entry->[0]);
if (($name eq $entry_name || $address eq $entry_address)
&& ($role eq "" || !($entry->[1] =~ m/$role/))
) {
if ($entry->[1] eq "") {
$entry->[1] = "$role";
} else {
$entry->[1] = "$entry->[1],$role";
}
}
} else {
if ($email eq $entry->[0]
&& ($role eq "" || !($entry->[1] =~ m/$role/))
) {
if ($entry->[1] eq "") {
$entry->[1] = "$role";
} else {
$entry->[1] = "$entry->[1],$role";
}
}
}
}
}
sub which {
my ($bin) = @_;
foreach my $path (split(/:/, $ENV{PATH})) {
if (-e "$path/$bin") {
return "$path/$bin";
}
}
return "";
}
sub mailmap {
my (@lines) = @_;
my %hash;
foreach my $line (@lines) {
my ($name, $address) = parse_email($line);
if (!exists($hash{$name})) {
$hash{$name} = $address;
} elsif ($address ne $hash{$name}) {
$address = $hash{$name};
$line = format_email($name, $address, $email_usename);
}
if (exists($mailmap{$name})) {
my $obj = $mailmap{$name};
foreach my $map_address (@$obj) {
if (($map_address eq $address) &&
($map_address ne $hash{$name})) {
$line = format_email($name, $hash{$name}, $email_usename);
}
}
}
}
return @lines;
}
sub git_execute_cmd {
my ($cmd) = @_;
my @lines = ();
my $output = `$cmd`;
$output =~ s/^\s*//gm;
@lines = split("\n", $output);
return @lines;
}
sub hg_execute_cmd {
my ($cmd) = @_;
my @lines = ();
my $output = `$cmd`;
@lines = split("\n", $output);
return @lines;
}
sub vcs_find_signers {
my ($cmd) = @_;
my @lines = ();
my $commits;
@lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
my $pattern = $VCS_cmds{"commit_pattern"};
$commits = grep(/$pattern/, @lines); # of commits
@lines = grep(/^[-_ a-z]+by:.*\@.*$/i, @lines);
if (!$email_git_penguin_chiefs) {
@lines = grep(!/${penguin_chiefs}/i, @lines);
}
# cut -f2- -d":"
s/.*:\s*(.+)\s*/$1/ for (@lines);
## Reformat email addresses (with names) to avoid badly written signatures
foreach my $line (@lines) {
my ($name, $address) = parse_email($line);
$line = format_email($name, $address, 1);
}
return ($commits, @lines);
}
sub vcs_save_commits {
my ($cmd) = @_;
my @lines = ();
my @commits = ();
@lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
foreach my $line (@lines) {
if ($line =~ m/$VCS_cmds{"blame_commit_pattern"}/) {
push(@commits, $1);
}
}
return @commits;
}
sub vcs_blame {
my ($file) = @_;
my $cmd;
my @commits = ();
return @commits if (!(-f $file));