[U-Boot] [RFC PATCH 4/5] get_maintainer.pl: import script from linux 3.14
Daniel Schwierzeck
daniel.schwierzeck at gmail.com
Sun Apr 20 22:57:33 CEST 2014
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>
---
scripts/get_maintainer.pl | 2249 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 2249 insertions(+)
create mode 100755 scripts/get_maintainer.pl
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
new file mode 100755
index 0000000..4198788
--- /dev/null
+++ b/scripts/get_maintainer.pl
@@ -0,0 +1,2249 @@
+#!/usr/bin/perl -w
+# (c) 2007, Joe Perches <joe at 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_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;
+}
+
+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,
+ '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_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@\.@\\\. at 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 '${file}' doesn't appear to be a patch. "
+ . "Add -f to options?\n";
+ }
+ @files = sort_and_uniq(@files);
+ }
+}
+
+ at file_emails = uniq(@file_emails);
+
+my %email_hash_name;
+my %email_hash_address;
+my @email_to = ();
+my %hash_list_to;
+my @list_to = ();
+my @scm = ();
+my @web = ();
+my @subsystem = ();
+my @status = ();
+my %deduplicate_name_hash = ();
+my %deduplicate_address_hash = ();
+
+my @maintainers = get_maintainers();
+
+if (@maintainers) {
+ @maintainers = merge_email(@maintainers);
+ output(@maintainers);
+}
+
+if ($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 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
+ --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") {
+ $role = "supporter";
+ } elsif ($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 ($email_subscriber_list) {
+ if (!$hash_list_to{lc($list_address)}) {
+ $hash_list_to{lc($list_address)} = 1;
+ push(@list_to, [$list_address,
+ "subscriber list${list_role}"]);
+ }
+ }
+ } else {
+ if ($email_list) {
+ if (!$hash_list_to{lc($list_address)}) {
+ $hash_list_to{lc($list_address)} = 1;
+ if ($list_additional =~ m/moderated/) {
+ push(@list_to, [$list_address,
+ "moderated list${list_role}"]);
+ } else {
+ push(@list_to, [$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, $pvalue);
+ }
+ }
+ }
+}
+
+sub email_inuse {
+ my ($name, $address) = @_;
+
+ return 1 if (($name eq "") && ($address eq ""));
+ return 1 if (($name ne "") && exists($email_hash_name{lc($name)}));
+ return 1 if (($address ne "") && exists($email_hash_address{lc($address)}));
+
+ return 0;
+}
+
+sub push_email_address {
+ my ($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]);
+ $email_hash_name{lc($name)}++ if ($name ne "");
+ $email_hash_address{lc($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/$bin";
+ }
+ }
+
+ return "";
+}
+
+sub which_conf {
+ my ($conf) = @_;
+
+ foreach my $path (split(/:/, ".:$ENV{HOME}:.scripts")) {
+ if (-e "$path/$conf") {
+ return "$path/$conf";
+ }
+ }
+
+ return "";
+}
+
+sub mailmap_email {
+ my ($line) = @_;
+
+ my ($name, $address) = parse_email($line);
+ my $email = format_email($name, $address, 1);
+ my $real_name = $name;
+ my $real_address = $address;
+
+ if (exists $mailmap->{names}->{$email} ||
+ exists $mailmap->{addresses}->{$email}) {
+ if (exists $mailmap->{names}->{$email}) {
+ $real_name = $mailmap->{names}->{$email};
+ }
+ if (exists $mailmap->{addresses}->{$email}) {
+ $real_address = $mailmap->{addresses}->{$email};
+ }
+ } else {
+ if (exists $mailmap->{names}->{$address}) {
+ $real_name = $mailmap->{names}->{$address};
+ }
+ if (exists $mailmap->{addresses}->{$address}) {
+ $real_address = $mailmap->{addresses}->{$address};
+ }
+ }
+ return format_email($real_name, $real_address, 1);
+}
+
+sub mailmap {
+ my (@addresses) = @_;
+
+ my @mapped_emails = ();
+ foreach my $line (@addresses) {
+ push(@mapped_emails, mailmap_email($line));
+ }
+ merge_by_realname(@mapped_emails) if ($email_use_mailmap);
+ return @mapped_emails;
+}
+
+sub merge_by_realname {
+ my %address_map;
+ my (@emails) = @_;
+
+ foreach my $email (@emails) {
+ my ($name, $address) = parse_email($email);
+ if (exists $address_map{$name}) {
+ $address = $address_map{$name};
+ $email = format_email($name, $address, 1);
+ } else {
+ $address_map{$name} = $address;
+ }
+ }
+}
+
+sub git_execute_cmd {
+ my ($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 extract_formatted_signatures {
+ my (@signature_lines) = @_;
+
+ my @type = @signature_lines;
+
+ s/\s*(.*):.*/$1/ for (@type);
+
+ # cut -f2- -d":"
+ s/\s*.*:\s*(.+)\s*/$1/ for (@signature_lines);
+
+## Reformat email addresses (with names) to avoid badly written signatures
+
+ foreach my $signer (@signature_lines) {
+ $signer = deduplicate_email($signer);
+ }
+
+ return (\@type, \@signature_lines);
+}
+
+sub vcs_find_signers {
+ my ($cmd, $file) = @_;
+ my $commits;
+ my @lines = ();
+ my @signatures = ();
+ my @authors = ();
+ my @stats = ();
+
+ @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
+
+ my $pattern = $VCS_cmds{"commit_pattern"};
+ my $author_pattern = $VCS_cmds{"author_pattern"};
+ my $stat_pattern = $VCS_cmds{"stat_pattern"};
+
+ $stat_pattern =~ s/(\$\w+)/$1/eeg; #interpolate $stat_pattern
+
+ $commits = grep(/$pattern/, @lines); # of commits
+
+ @authors = grep(/$author_pattern/, @lines);
+ @signatures = grep(/^[ \t]*${signature_pattern}.*\@.*$/, @lines);
+ @stats = grep(/$stat_pattern/, @lines);
+
+# print("stats: <@stats>\n");
+
+ return (0, \@signatures, \@authors, \@stats) if !@signatures;
+
+ save_commits_by_author(@lines) if ($interactive);
+ save_commits_by_signer(@lines) if ($interactive);
+
+ if (!$email_git_penguin_chiefs) {
+ @signatures = grep(!/${penguin_chiefs}/i, @signatures);
+ }
+
+ my ($author_ref, $authors_ref) = extract_formatted_signatures(@authors);
+ my ($types_ref, $signers_ref) = extract_formatted_signatures(@signatures);
+
+ return ($commits, $signers_ref, $authors_ref, \@stats);
+}
+
+sub vcs_find_author {
+ my ($cmd) = @_;
+ my @lines = ();
+
+ @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
+
+ if (!$email_git_penguin_chiefs) {
+ @lines = grep(!/${penguin_chiefs}/i, @lines);
+ }
+
+ return @lines if !@lines;
+
+ my @authors = ();
+ foreach my $line (@lines) {
+ if ($line =~ m/$VCS_cmds{"author_pattern"}/) {
+ my $author = $1;
+ my ($name, $address) = parse_email($author);
+ $author = format_email($name, $address, 1);
+ push(@authors, $author);
+ }
+ }
+
+ save_commits_by_author(@lines) if ($interactive);
+ save_commits_by_signer(@lines) if ($interactive);
+
+ return @authors;
+}
+
+sub vcs_save_commits {
+ my ($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));
+
+ if (@range && $VCS_cmds{"blame_range_cmd"} eq "") {
+ my @all_commits = ();
+
+ $cmd = $VCS_cmds{"blame_file_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #interpolate $cmd
+ @all_commits = vcs_save_commits($cmd);
+
+ foreach my $file_range_diff (@range) {
+ next if (!($file_range_diff =~ m/(.+):(.+):(.+)/));
+ my $diff_file = $1;
+ my $diff_start = $2;
+ my $diff_length = $3;
+ next if ("$file" ne "$diff_file");
+ for (my $i = $diff_start; $i < $diff_start + $diff_length; $i++) {
+ push(@commits, $all_commits[$i]);
+ }
+ }
+ } elsif (@range) {
+ foreach my $file_range_diff (@range) {
+ next if (!($file_range_diff =~ m/(.+):(.+):(.+)/));
+ my $diff_file = $1;
+ my $diff_start = $2;
+ my $diff_length = $3;
+ next if ("$file" ne "$diff_file");
+ $cmd = $VCS_cmds{"blame_range_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #interpolate $cmd
+ push(@commits, vcs_save_commits($cmd));
+ }
+ } else {
+ $cmd = $VCS_cmds{"blame_file_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #interpolate $cmd
+ @commits = vcs_save_commits($cmd);
+ }
+
+ foreach my $commit (@commits) {
+ $commit =~ s/^\^//g;
+ }
+
+ return @commits;
+}
+
+my $printed_novcs = 0;
+sub vcs_exists {
+ %VCS_cmds = %VCS_cmds_git;
+ return 1 if eval $VCS_cmds{"available"};
+ %VCS_cmds = %VCS_cmds_hg;
+ return 2 if eval $VCS_cmds{"available"};
+ %VCS_cmds = ();
+ if (!$printed_novcs) {
+ warn("$P: No supported VCS found. Add --nogit to options?\n");
+ warn("Using a git repository produces better results.\n");
+ warn("Try Linus Torvalds' latest git repository using:\n");
+ warn("git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git\n");
+ $printed_novcs = 1;
+ }
+ return 0;
+}
+
+sub vcs_is_git {
+ vcs_exists();
+ return $vcs_used == 1;
+}
+
+sub vcs_is_hg {
+ return $vcs_used == 2;
+}
+
+sub interactive_get_maintainers {
+ my ($list_ref) = @_;
+ my @list = @$list_ref;
+
+ vcs_exists();
+
+ my %selected;
+ my %authored;
+ my %signed;
+ my $count = 0;
+ my $maintained = 0;
+ foreach my $entry (@list) {
+ $maintained = 1 if ($entry->[1] =~ /^(maintainer|supporter)/i);
+ $selected{$count} = 1;
+ $authored{$count} = 0;
+ $signed{$count} = 0;
+ $count++;
+ }
+
+ #menu loop
+ my $done = 0;
+ my $print_options = 0;
+ my $redraw = 1;
+ while (!$done) {
+ $count = 0;
+ if ($redraw) {
+ printf STDERR "\n%1s %2s %-65s",
+ "*", "#", "email/list and role:stats";
+ if ($email_git ||
+ ($email_git_fallback && !$maintained) ||
+ $email_git_blame) {
+ print STDERR "auth sign";
+ }
+ print STDERR "\n";
+ foreach my $entry (@list) {
+ my $email = $entry->[0];
+ my $role = $entry->[1];
+ my $sel = "";
+ $sel = "*" if ($selected{$count});
+ my $commit_author = $commit_author_hash{$email};
+ my $commit_signer = $commit_signer_hash{$email};
+ my $authored = 0;
+ my $signed = 0;
+ $authored++ for (@{$commit_author});
+ $signed++ for (@{$commit_signer});
+ printf STDERR "%1s %2d %-65s", $sel, $count + 1, $email;
+ printf STDERR "%4d %4d", $authored, $signed
+ if ($authored > 0 || $signed > 0);
+ printf STDERR "\n %s\n", $role;
+ if ($authored{$count}) {
+ my $commit_author = $commit_author_hash{$email};
+ foreach my $ref (@{$commit_author}) {
+ print STDERR " Author: @{$ref}[1]\n";
+ }
+ }
+ if ($signed{$count}) {
+ my $commit_signer = $commit_signer_hash{$email};
+ foreach my $ref (@{$commit_signer}) {
+ print STDERR " @{$ref}[2]: @{$ref}[1]\n";
+ }
+ }
+
+ $count++;
+ }
+ }
+ my $date_ref = \$email_git_since;
+ $date_ref = \$email_hg_since if (vcs_is_hg());
+ if ($print_options) {
+ $print_options = 0;
+ if (vcs_exists()) {
+ print STDERR <<EOT
+
+Version Control options:
+g use git history [$email_git]
+gf use git-fallback [$email_git_fallback]
+b use git blame [$email_git_blame]
+bs use blame signatures [$email_git_blame_signatures]
+c# minimum commits [$email_git_min_signatures]
+%# min percent [$email_git_min_percent]
+d# history to use [$$date_ref]
+x# max maintainers [$email_git_max_maintainers]
+t all signature types [$email_git_all_signature_types]
+m use .mailmap [$email_use_mailmap]
+EOT
+ }
+ print STDERR <<EOT
+
+Additional options:
+0 toggle all
+tm toggle maintainers
+tg toggle git entries
+tl toggle open list entries
+ts toggle subscriber list entries
+f emails in file [$file_emails]
+k keywords in file [$keywords]
+r remove duplicates [$email_remove_duplicates]
+p# pattern match depth [$pattern_depth]
+EOT
+ }
+ print STDERR
+"\n#(toggle), A#(author), S#(signed) *(all), ^(none), O(options), Y(approve): ";
+
+ my $input = <STDIN>;
+ chomp($input);
+
+ $redraw = 1;
+ my $rerun = 0;
+ my @wish = split(/[, ]+/, $input);
+ foreach my $nr (@wish) {
+ $nr = lc($nr);
+ my $sel = substr($nr, 0, 1);
+ my $str = substr($nr, 1);
+ my $val = 0;
+ $val = $1 if $str =~ /^(\d+)$/;
+
+ if ($sel eq "y") {
+ $interactive = 0;
+ $done = 1;
+ $output_rolestats = 0;
+ $output_roles = 0;
+ last;
+ } elsif ($nr =~ /^\d+$/ && $nr > 0 && $nr <= $count) {
+ $selected{$nr - 1} = !$selected{$nr - 1};
+ } elsif ($sel eq "*" || $sel eq '^') {
+ my $toggle = 0;
+ $toggle = 1 if ($sel eq '*');
+ for (my $i = 0; $i < $count; $i++) {
+ $selected{$i} = $toggle;
+ }
+ } elsif ($sel eq "0") {
+ for (my $i = 0; $i < $count; $i++) {
+ $selected{$i} = !$selected{$i};
+ }
+ } elsif ($sel eq "t") {
+ if (lc($str) eq "m") {
+ for (my $i = 0; $i < $count; $i++) {
+ $selected{$i} = !$selected{$i}
+ if ($list[$i]->[1] =~ /^(maintainer|supporter)/i);
+ }
+ } elsif (lc($str) eq "g") {
+ for (my $i = 0; $i < $count; $i++) {
+ $selected{$i} = !$selected{$i}
+ if ($list[$i]->[1] =~ /^(author|commit|signer)/i);
+ }
+ } elsif (lc($str) eq "l") {
+ for (my $i = 0; $i < $count; $i++) {
+ $selected{$i} = !$selected{$i}
+ if ($list[$i]->[1] =~ /^(open list)/i);
+ }
+ } elsif (lc($str) eq "s") {
+ for (my $i = 0; $i < $count; $i++) {
+ $selected{$i} = !$selected{$i}
+ if ($list[$i]->[1] =~ /^(subscriber list)/i);
+ }
+ }
+ } elsif ($sel eq "a") {
+ if ($val > 0 && $val <= $count) {
+ $authored{$val - 1} = !$authored{$val - 1};
+ } elsif ($str eq '*' || $str eq '^') {
+ my $toggle = 0;
+ $toggle = 1 if ($str eq '*');
+ for (my $i = 0; $i < $count; $i++) {
+ $authored{$i} = $toggle;
+ }
+ }
+ } elsif ($sel eq "s") {
+ if ($val > 0 && $val <= $count) {
+ $signed{$val - 1} = !$signed{$val - 1};
+ } elsif ($str eq '*' || $str eq '^') {
+ my $toggle = 0;
+ $toggle = 1 if ($str eq '*');
+ for (my $i = 0; $i < $count; $i++) {
+ $signed{$i} = $toggle;
+ }
+ }
+ } elsif ($sel eq "o") {
+ $print_options = 1;
+ $redraw = 1;
+ } elsif ($sel eq "g") {
+ if ($str eq "f") {
+ bool_invert(\$email_git_fallback);
+ } else {
+ bool_invert(\$email_git);
+ }
+ $rerun = 1;
+ } elsif ($sel eq "b") {
+ if ($str eq "s") {
+ bool_invert(\$email_git_blame_signatures);
+ } else {
+ bool_invert(\$email_git_blame);
+ }
+ $rerun = 1;
+ } elsif ($sel eq "c") {
+ if ($val > 0) {
+ $email_git_min_signatures = $val;
+ $rerun = 1;
+ }
+ } elsif ($sel eq "x") {
+ if ($val > 0) {
+ $email_git_max_maintainers = $val;
+ $rerun = 1;
+ }
+ } elsif ($sel eq "%") {
+ if ($str ne "" && $val >= 0) {
+ $email_git_min_percent = $val;
+ $rerun = 1;
+ }
+ } elsif ($sel eq "d") {
+ if (vcs_is_git()) {
+ $email_git_since = $str;
+ } elsif (vcs_is_hg()) {
+ $email_hg_since = $str;
+ }
+ $rerun = 1;
+ } elsif ($sel eq "t") {
+ bool_invert(\$email_git_all_signature_types);
+ $rerun = 1;
+ } elsif ($sel eq "f") {
+ bool_invert(\$file_emails);
+ $rerun = 1;
+ } elsif ($sel eq "r") {
+ bool_invert(\$email_remove_duplicates);
+ $rerun = 1;
+ } elsif ($sel eq "m") {
+ bool_invert(\$email_use_mailmap);
+ read_mailmap();
+ $rerun = 1;
+ } elsif ($sel eq "k") {
+ bool_invert(\$keywords);
+ $rerun = 1;
+ } elsif ($sel eq "p") {
+ if ($str ne "" && $val >= 0) {
+ $pattern_depth = $val;
+ $rerun = 1;
+ }
+ } elsif ($sel eq "h" || $sel eq "?") {
+ print STDERR <<EOT
+
+Interactive mode allows you to select the various maintainers, submitters,
+commit signers and mailing lists that could be CC'd on a patch.
+
+Any *'d entry is selected.
+
+If you have git or hg installed, you can choose to summarize the commit
+history of files in the patch. Also, each line of the current file can
+be matched to its commit author and that commits signers with blame.
+
+Various knobs exist to control the length of time for active commit
+tracking, the maximum number of commit authors and signers to add,
+and such.
+
+Enter selections at the prompt until you are satisfied that the selected
+maintainers are appropriate. You may enter multiple selections separated
+by either commas or spaces.
+
+EOT
+ } else {
+ print STDERR "invalid option: '$nr'\n";
+ $redraw = 0;
+ }
+ }
+ if ($rerun) {
+ print STDERR "git-blame can be very slow, please have patience..."
+ if ($email_git_blame);
+ goto &get_maintainers;
+ }
+ }
+
+ #drop not selected entries
+ $count = 0;
+ my @new_emailto = ();
+ foreach my $entry (@list) {
+ if ($selected{$count}) {
+ push(@new_emailto, $list[$count]);
+ }
+ $count++;
+ }
+ return @new_emailto;
+}
+
+sub bool_invert {
+ my ($bool_ref) = @_;
+
+ if ($$bool_ref) {
+ $$bool_ref = 0;
+ } else {
+ $$bool_ref = 1;
+ }
+}
+
+sub deduplicate_email {
+ my ($email) = @_;
+
+ my $matched = 0;
+ my ($name, $address) = parse_email($email);
+ $email = format_email($name, $address, 1);
+ $email = mailmap_email($email);
+
+ return $email if (!$email_remove_duplicates);
+
+ ($name, $address) = parse_email($email);
+
+ if ($name ne "" && $deduplicate_name_hash{lc($name)}) {
+ $name = $deduplicate_name_hash{lc($name)}->[0];
+ $address = $deduplicate_name_hash{lc($name)}->[1];
+ $matched = 1;
+ } elsif ($deduplicate_address_hash{lc($address)}) {
+ $name = $deduplicate_address_hash{lc($address)}->[0];
+ $address = $deduplicate_address_hash{lc($address)}->[1];
+ $matched = 1;
+ }
+ if (!$matched) {
+ $deduplicate_name_hash{lc($name)} = [ $name, $address ];
+ $deduplicate_address_hash{lc($address)} = [ $name, $address ];
+ }
+ $email = format_email($name, $address, 1);
+ $email = mailmap_email($email);
+ return $email;
+}
+
+sub save_commits_by_author {
+ my (@lines) = @_;
+
+ my @authors = ();
+ my @commits = ();
+ my @subjects = ();
+
+ foreach my $line (@lines) {
+ if ($line =~ m/$VCS_cmds{"author_pattern"}/) {
+ my $author = $1;
+ $author = deduplicate_email($author);
+ push(@authors, $author);
+ }
+ push(@commits, $1) if ($line =~ m/$VCS_cmds{"commit_pattern"}/);
+ push(@subjects, $1) if ($line =~ m/$VCS_cmds{"subject_pattern"}/);
+ }
+
+ for (my $i = 0; $i < @authors; $i++) {
+ my $exists = 0;
+ foreach my $ref(@{$commit_author_hash{$authors[$i]}}) {
+ if (@{$ref}[0] eq $commits[$i] &&
+ @{$ref}[1] eq $subjects[$i]) {
+ $exists = 1;
+ last;
+ }
+ }
+ if (!$exists) {
+ push(@{$commit_author_hash{$authors[$i]}},
+ [ ($commits[$i], $subjects[$i]) ]);
+ }
+ }
+}
+
+sub save_commits_by_signer {
+ my (@lines) = @_;
+
+ my $commit = "";
+ my $subject = "";
+
+ foreach my $line (@lines) {
+ $commit = $1 if ($line =~ m/$VCS_cmds{"commit_pattern"}/);
+ $subject = $1 if ($line =~ m/$VCS_cmds{"subject_pattern"}/);
+ if ($line =~ /^[ \t]*${signature_pattern}.*\@.*$/) {
+ my @signatures = ($line);
+ my ($types_ref, $signers_ref) = extract_formatted_signatures(@signatures);
+ my @types = @$types_ref;
+ my @signers = @$signers_ref;
+
+ my $type = $types[0];
+ my $signer = $signers[0];
+
+ $signer = deduplicate_email($signer);
+
+ my $exists = 0;
+ foreach my $ref(@{$commit_signer_hash{$signer}}) {
+ if (@{$ref}[0] eq $commit &&
+ @{$ref}[1] eq $subject &&
+ @{$ref}[2] eq $type) {
+ $exists = 1;
+ last;
+ }
+ }
+ if (!$exists) {
+ push(@{$commit_signer_hash{$signer}},
+ [ ($commit, $subject, $type) ]);
+ }
+ }
+ }
+}
+
+sub vcs_assign {
+ my ($role, $divisor, @lines) = @_;
+
+ my %hash;
+ my $count = 0;
+
+ return if (@lines <= 0);
+
+ if ($divisor <= 0) {
+ warn("Bad divisor in " . (caller(0))[3] . ": $divisor\n");
+ $divisor = 1;
+ }
+
+ @lines = mailmap(@lines);
+
+ return if (@lines <= 0);
+
+ @lines = sort(@lines);
+
+ # uniq -c
+ $hash{$_}++ for @lines;
+
+ # sort -rn
+ foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
+ my $sign_offs = $hash{$line};
+ my $percent = $sign_offs * 100 / $divisor;
+
+ $percent = 100 if ($percent > 100);
+ $count++;
+ last if ($sign_offs < $email_git_min_signatures ||
+ $count > $email_git_max_maintainers ||
+ $percent < $email_git_min_percent);
+ push_email_address($line, '');
+ if ($output_rolestats) {
+ my $fmt_percent = sprintf("%.0f", $percent);
+ add_role($line, "$role:$sign_offs/$divisor=$fmt_percent%");
+ } else {
+ add_role($line, $role);
+ }
+ }
+}
+
+sub vcs_file_signoffs {
+ my ($file) = @_;
+
+ my $authors_ref;
+ my $signers_ref;
+ my $stats_ref;
+ my @authors = ();
+ my @signers = ();
+ my @stats = ();
+ my $commits;
+
+ $vcs_used = vcs_exists();
+ return if (!$vcs_used);
+
+ my $cmd = $VCS_cmds{"find_signers_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; # interpolate $cmd
+
+ ($commits, $signers_ref, $authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
+
+ @signers = @{$signers_ref} if defined $signers_ref;
+ @authors = @{$authors_ref} if defined $authors_ref;
+ @stats = @{$stats_ref} if defined $stats_ref;
+
+# print("commits: <$commits>\nsigners:<@signers>\nauthors: <@authors>\nstats: <@stats>\n");
+
+ foreach my $signer (@signers) {
+ $signer = deduplicate_email($signer);
+ }
+
+ vcs_assign("commit_signer", $commits, @signers);
+ vcs_assign("authored", $commits, @authors);
+ if ($#authors == $#stats) {
+ my $stat_pattern = $VCS_cmds{"stat_pattern"};
+ $stat_pattern =~ s/(\$\w+)/$1/eeg; #interpolate $stat_pattern
+
+ my $added = 0;
+ my $deleted = 0;
+ for (my $i = 0; $i <= $#stats; $i++) {
+ if ($stats[$i] =~ /$stat_pattern/) {
+ $added += $1;
+ $deleted += $2;
+ }
+ }
+ my @tmp_authors = uniq(@authors);
+ foreach my $author (@tmp_authors) {
+ $author = deduplicate_email($author);
+ }
+ @tmp_authors = uniq(@tmp_authors);
+ my @list_added = ();
+ my @list_deleted = ();
+ foreach my $author (@tmp_authors) {
+ my $auth_added = 0;
+ my $auth_deleted = 0;
+ for (my $i = 0; $i <= $#stats; $i++) {
+ if ($author eq deduplicate_email($authors[$i]) &&
+ $stats[$i] =~ /$stat_pattern/) {
+ $auth_added += $1;
+ $auth_deleted += $2;
+ }
+ }
+ for (my $i = 0; $i < $auth_added; $i++) {
+ push(@list_added, $author);
+ }
+ for (my $i = 0; $i < $auth_deleted; $i++) {
+ push(@list_deleted, $author);
+ }
+ }
+ vcs_assign("added_lines", $added, @list_added);
+ vcs_assign("removed_lines", $deleted, @list_deleted);
+ }
+}
+
+sub vcs_file_blame {
+ my ($file) = @_;
+
+ my @signers = ();
+ my @all_commits = ();
+ my @commits = ();
+ my $total_commits;
+ my $total_lines;
+
+ $vcs_used = vcs_exists();
+ return if (!$vcs_used);
+
+ @all_commits = vcs_blame($file);
+ @commits = uniq(@all_commits);
+ $total_commits = @commits;
+ $total_lines = @all_commits;
+
+ if ($email_git_blame_signatures) {
+ if (vcs_is_hg()) {
+ my $commit_count;
+ my $commit_authors_ref;
+ my $commit_signers_ref;
+ my $stats_ref;
+ my @commit_authors = ();
+ my @commit_signers = ();
+ my $commit = join(" -r ", @commits);
+ my $cmd;
+
+ $cmd = $VCS_cmds{"find_commit_signers_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #substitute variables in $cmd
+
+ ($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
+ @commit_authors = @{$commit_authors_ref} if defined $commit_authors_ref;
+ @commit_signers = @{$commit_signers_ref} if defined $commit_signers_ref;
+
+ push(@signers, @commit_signers);
+ } else {
+ foreach my $commit (@commits) {
+ my $commit_count;
+ my $commit_authors_ref;
+ my $commit_signers_ref;
+ my $stats_ref;
+ my @commit_authors = ();
+ my @commit_signers = ();
+ my $cmd;
+
+ $cmd = $VCS_cmds{"find_commit_signers_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #substitute variables in $cmd
+
+ ($commit_count, $commit_signers_ref, $commit_authors_ref, $stats_ref) = vcs_find_signers($cmd, $file);
+ @commit_authors = @{$commit_authors_ref} if defined $commit_authors_ref;
+ @commit_signers = @{$commit_signers_ref} if defined $commit_signers_ref;
+
+ push(@signers, @commit_signers);
+ }
+ }
+ }
+
+ if ($from_filename) {
+ if ($output_rolestats) {
+ my @blame_signers;
+ if (vcs_is_hg()) {{ # Double brace for last exit
+ my $commit_count;
+ my @commit_signers = ();
+ @commits = uniq(@commits);
+ @commits = sort(@commits);
+ my $commit = join(" -r ", @commits);
+ my $cmd;
+
+ $cmd = $VCS_cmds{"find_commit_author_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #substitute variables in $cmd
+
+ my @lines = ();
+
+ @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
+
+ if (!$email_git_penguin_chiefs) {
+ @lines = grep(!/${penguin_chiefs}/i, @lines);
+ }
+
+ last if !@lines;
+
+ my @authors = ();
+ foreach my $line (@lines) {
+ if ($line =~ m/$VCS_cmds{"author_pattern"}/) {
+ my $author = $1;
+ $author = deduplicate_email($author);
+ push(@authors, $author);
+ }
+ }
+
+ save_commits_by_author(@lines) if ($interactive);
+ save_commits_by_signer(@lines) if ($interactive);
+
+ push(@signers, @authors);
+ }}
+ else {
+ foreach my $commit (@commits) {
+ my $i;
+ my $cmd = $VCS_cmds{"find_commit_author_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; #interpolate $cmd
+ my @author = vcs_find_author($cmd);
+ next if !@author;
+
+ my $formatted_author = deduplicate_email($author[0]);
+
+ my $count = grep(/$commit/, @all_commits);
+ for ($i = 0; $i < $count ; $i++) {
+ push(@blame_signers, $formatted_author);
+ }
+ }
+ }
+ if (@blame_signers) {
+ vcs_assign("authored lines", $total_lines, @blame_signers);
+ }
+ }
+ foreach my $signer (@signers) {
+ $signer = deduplicate_email($signer);
+ }
+ vcs_assign("commits", $total_commits, @signers);
+ } else {
+ foreach my $signer (@signers) {
+ $signer = deduplicate_email($signer);
+ }
+ vcs_assign("modified commits", $total_commits, @signers);
+ }
+}
+
+sub uniq {
+ my (@parms) = @_;
+
+ my %saw;
+ @parms = grep(!$saw{$_}++, @parms);
+ return @parms;
+}
+
+sub sort_and_uniq {
+ my (@parms) = @_;
+
+ my %saw;
+ @parms = sort @parms;
+ @parms = grep(!$saw{$_}++, @parms);
+ return @parms;
+}
+
+sub clean_file_emails {
+ my (@file_emails) = @_;
+ my @fmt_emails = ();
+
+ foreach my $email (@file_emails) {
+ $email =~ s/[\(\<\{]{0,1}([A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+)[\)\>\}]{0,1}/\<$1\>/g;
+ my ($name, $address) = parse_email($email);
+ if ($name eq '"[,\.]"') {
+ $name = "";
+ }
+
+ my @nw = split(/[^A-Za-zÀ-ÿ\'\,\.\+-]/, $name);
+ if (@nw > 2) {
+ my $first = $nw[@nw - 3];
+ my $middle = $nw[@nw - 2];
+ my $last = $nw[@nw - 1];
+
+ if (((length($first) == 1 && $first =~ m/[A-Za-z]/) ||
+ (length($first) == 2 && substr($first, -1) eq ".")) ||
+ (length($middle) == 1 ||
+ (length($middle) == 2 && substr($middle, -1) eq "."))) {
+ $name = "$first $middle $last";
+ } else {
+ $name = "$middle $last";
+ }
+ }
+
+ if (substr($name, -1) =~ /[,\.]/) {
+ $name = substr($name, 0, length($name) - 1);
+ } elsif (substr($name, -2) =~ /[,\.]"/) {
+ $name = substr($name, 0, length($name) - 2) . '"';
+ }
+
+ if (substr($name, 0, 1) =~ /[,\.]/) {
+ $name = substr($name, 1, length($name) - 1);
+ } elsif (substr($name, 0, 2) =~ /"[,\.]/) {
+ $name = '"' . substr($name, 2, length($name) - 2);
+ }
+
+ my $fmt_email = format_email($name, $address, $email_usename);
+ push(@fmt_emails, $fmt_email);
+ }
+ return @fmt_emails;
+}
+
+sub merge_email {
+ my @lines;
+ my %saw;
+
+ for (@_) {
+ my ($address, $role) = @$_;
+ if (!$saw{$address}) {
+ if ($output_roles) {
+ push(@lines, "$address ($role)");
+ } else {
+ push(@lines, $address);
+ }
+ $saw{$address} = 1;
+ }
+ }
+
+ return @lines;
+}
+
+sub output {
+ my (@parms) = @_;
+
+ if ($output_multiline) {
+ foreach my $line (@parms) {
+ print("${line}\n");
+ }
+ } else {
+ print(join($output_separator, @parms));
+ print("\n");
+ }
+}
+
+my $rfc822re;
+
+sub make_rfc822re {
+# Basic lexical tokens are specials, domain_literal, quoted_string, atom, and
+# comment. We must allow for rfc822_lwsp (or comments) after each of these.
+# This regexp will only work on addresses which have had comments stripped
+# and replaced with rfc822_lwsp.
+
+ my $specials = '()<>@,;:\\\\".\\[\\]';
+ my $controls = '\\000-\\037\\177';
+
+ my $dtext = "[^\\[\\]\\r\\\\]";
+ my $domain_literal = "\\[(?:$dtext|\\\\.)*\\]$rfc822_lwsp*";
+
+ my $quoted_string = "\"(?:[^\\\"\\r\\\\]|\\\\.|$rfc822_lwsp)*\"$rfc822_lwsp*";
+
+# Use zero-width assertion to spot the limit of an atom. A simple
+# $rfc822_lwsp* causes the regexp engine to hang occasionally.
+ my $atom = "[^$specials $controls]+(?:$rfc822_lwsp+|\\Z|(?=[\\[\"$specials]))";
+ my $word = "(?:$atom|$quoted_string)";
+ my $localpart = "$word(?:\\.$rfc822_lwsp*$word)*";
+
+ my $sub_domain = "(?:$atom|$domain_literal)";
+ my $domain = "$sub_domain(?:\\.$rfc822_lwsp*$sub_domain)*";
+
+ my $addr_spec = "$localpart\@$rfc822_lwsp*$domain";
+
+ my $phrase = "$word*";
+ my $route = "(?:\@$domain(?:,\@$rfc822_lwsp*$domain)*:$rfc822_lwsp*)";
+ my $route_addr = "\\<$rfc822_lwsp*$route?$addr_spec\\>$rfc822_lwsp*";
+ my $mailbox = "(?:$addr_spec|$phrase$route_addr)";
+
+ my $group = "$phrase:$rfc822_lwsp*(?:$mailbox(?:,\\s*$mailbox)*)?;\\s*";
+ my $address = "(?:$mailbox|$group)";
+
+ return "$rfc822_lwsp*$address";
+}
+
+sub rfc822_strip_comments {
+ my $s = shift;
+# Recursively remove comments, and replace with a single space. The simpler
+# regexps in the Email Addressing FAQ are imperfect - they will miss escaped
+# chars in atoms, for example.
+
+ while ($s =~ s/^((?:[^"\\]|\\.)*
+ (?:"(?:[^"\\]|\\.)*"(?:[^"\\]|\\.)*)*)
+ \((?:[^()\\]|\\.)*\)/$1 /osx) {}
+ return $s;
+}
+
+# valid: returns true if the parameter is an RFC822 valid address
+#
+sub rfc822_valid {
+ my $s = rfc822_strip_comments(shift);
+
+ if (!$rfc822re) {
+ $rfc822re = make_rfc822re();
+ }
+
+ return $s =~ m/^$rfc822re$/so && $s =~ m/^$rfc822_char*$/;
+}
+
+# validlist: In scalar context, returns true if the parameter is an RFC822
+# valid list of addresses.
+#
+# In list context, returns an empty list on failure (an invalid
+# address was found); otherwise a list whose first element is the
+# number of addresses found and whose remaining elements are the
+# addresses. This is needed to disambiguate failure (invalid)
+# from success with no addresses found, because an empty string is
+# a valid list.
+
+sub rfc822_validlist {
+ my $s = rfc822_strip_comments(shift);
+
+ if (!$rfc822re) {
+ $rfc822re = make_rfc822re();
+ }
+ # * null list items are valid according to the RFC
+ # * the '1' business is to aid in distinguishing failure from no results
+
+ my @r;
+ if ($s =~ m/^(?:$rfc822re)?(?:,(?:$rfc822re)?)*$/so &&
+ $s =~ m/^$rfc822_char*$/) {
+ while ($s =~ m/(?:^|,$rfc822_lwsp*)($rfc822re)/gos) {
+ push(@r, $1);
+ }
+ return wantarray ? (scalar(@r), @r) : 1;
+ }
+ return wantarray ? () : 0;
+}
--
1.9.2
More information about the U-Boot
mailing list