2629 lines · 67.6 KB · Perl
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#!/usr/bin/env perl# SPDX-License-Identifier: GPL-2.0## (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> use warnings;use strict; my $P = $0;my $V = '0.26'; use Getopt::Long qw(:config no_auto_abbrev);use Cwd;use File::Find;use File::Spec::Functions;use open qw(:std :encoding(UTF-8)); my $cur_path = fastgetcwd() . '/';my $lk_path = "./";my $email = 1;my $email_usename = 1;my $email_maintainer = 1;my $email_reviewer = 1;my $email_fixes = 1;my $email_list = 1;my $email_moderated_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 $output_section_maxlen = 50;my $scm = 0;my $tree = 1;my $web = 0;my $subsystem = 0;my $status = 0;my $letters = "";my $keywords = 1;my $keywords_in_file = 0;my $sections = 0;my $email_file_emails = 0;my $from_filename = 0;my $pattern_depth = 0;my $self_test = undef;my $version = 0;my $help = 0;my $find_maintainer_files = 0;my $maintainer_path;my $vcs_used = 0; my $exit = 0; my @files = ();my @fixes = ();			# If a patch description includes Fixes: linesmy @range = ();my @keyword_tvi = ();my @file_emails = (); 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 feedbackmy @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\$",    "file_exists_cmd" => "git ls-files \$file",    "list_files_cmd" => "git ls-files \$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\$",    "file_exists_cmd" => "hg files \$file",    "list_files_cmd" => "hg manifest -R \$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 ($#ARGV > 0) {    foreach (@ARGV) {        if ($_ =~ /^-{1,2}self-test(?:=|$)/) {            die "$P: using --self-test does not allow any other option or argument\n";        }    }} 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,		'fixes!' => \$email_fixes,		'moderated!' => \$email_moderated_list,		's!' => \$email_subscriber_list,		'multiline!' => \$output_multiline,		'roles!' => \$output_roles,		'rolestats!' => \$output_rolestats,		'separator=s' => \$output_separator,		'subsystem!' => \$subsystem,		'status!' => \$status,		'scm!' => \$scm,		'tree!' => \$tree,		'web!' => \$web,		'letters=s' => \$letters,		'pattern-depth=i' => \$pattern_depth,		'k|keywords!' => \$keywords,		'kf|keywords-in-file!' => \$keywords_in_file,		'sections!' => \$sections,		'fe|file-emails!' => \$email_file_emails,		'f|file' => \$from_filename,		'find-maintainer-files' => \$find_maintainer_files,		'mpath|maintainer-path=s' => \$maintainer_path,		'self-test:s' => \$self_test,		'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 (defined $self_test) {    read_all_maintainer_files();    self_test();    exit 0;} if (-t STDIN && !@ARGV) {    # We're talking to a terminal, but have no command line arguments.    die "$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 || $letters ne "") {    $sections = 1;    $email = 0;    $email_list = 0;    $scm = 0;    $status = 0;    $subsystem = 0;    $web = 0;    $keywords = 0;    $keywords_in_file = 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 ($tree && !top_of_kernel_tree($lk_path)) {    die "$P: The current directory does not appear to be "	. "a linux kernel source tree.\n";} ## Read MAINTAINERS for type/value pairs my @typevalue = ();my %keyword_hash;my @mfiles = ();my @self_test_info = (); sub read_maintainer_file {    my ($file) = @_;     open (my $maint, '<', "$file")	or die "$P: Can't open MAINTAINERS file '$file': $!\n";    my $i = 1;    while (<$maint>) {	my $line = $_;	chomp $line; 	if ($line =~ m/^([A-Z]):\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:$value");	} elsif (!(/^\s*$/ || /^\s*\#/)) {	    push(@typevalue, $line);	}	if (defined $self_test) {	    push(@self_test_info, {file=>$file, linenr=>$i, line=>$line});	}	$i++;    }    close($maint);} sub find_is_maintainer_file {    my ($file) = $_;    return if ($file !~ m@/MAINTAINERS$@);    $file = $File::Find::name;    return if (! -f $file);    push(@mfiles, $file);} sub find_ignore_git {    return grep { $_ !~ /^\.git$/; } @_;} read_all_maintainer_files(); sub read_all_maintainer_files {    my $path = "${lk_path}MAINTAINERS";    if (defined $maintainer_path) {	$path = $maintainer_path;	# Perl Cookbook tilde expansion if necessary	$path =~ s@^~([^/]*)@ $1 ? (getpwnam($1))[7] : ( $ENV{HOME} || $ENV{LOGDIR} || (getpwuid($<))[7])@ex;    }     if (-d $path) {	$path .= '/' if ($path !~ m@/$@);	if ($find_maintainer_files) {	    find( { wanted => \&find_is_maintainer_file,		    preprocess => \&find_ignore_git,		    no_chdir => 1,		}, "$path");	} else {	    opendir(DIR, "$path") or die $!;	    my @files = readdir(DIR);	    closedir(DIR);	    foreach my $file (@files) {		push(@mfiles, "$path$file") if ($file !~ /^\./);	    }	}    } elsif (-f "$path") {	push(@mfiles, "$path");    } else {	die "$P: MAINTAINER file not found '$path'\n";    }    die "$P: No MAINTAINER files found in '$path'\n" if (scalar(@mfiles) == 0);    foreach my $file (@mfiles) {	read_maintainer_file("$file");    }} sub maintainers_in_file {    my ($file) = @_;     return if ($file =~ m@\bMAINTAINERS$@);     if (-f $file && ($email_file_emails || $file =~ /\.yaml$/)) {	open(my $f, '<', $file)	    or die "$P: Can't open $file: $!\n";	my $text = do { local($/) ; <$f> };	close($f); 	my @poss_addr = $text =~ m$[\p{L}\"\' \,\.\+-]*\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));    }} ## 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;

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