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Add scripts/get_maintainer.pl
A script to parse file pattern information in MAINTAINERS
and return selected information about a file or patch
usage: scripts/get_maintainer.pl [options] patchfile
scripts/get_maintainer.pl [options] -f file
version: 0.14
MAINTAINERS field selection options:
--email => print email address(es) if any
--git => include git "*-by:" signers in commit count order
--git-chief-penguins => include (Linus Torvalds)
--git-min-signatures => number of signatures required (default: 1)
--git-max-maintainers => maximum maintainers to add (default: 5)
--git-since => git history to use (default: 1-year-ago)
--m => include maintainer(s) if any
--n => include name 'Full Name <addr@domain.tld>'
--l => include list(s) if any
--s => include subscriber only list(s) if any
--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
--multiline => print 1 entry per line
Default options:
[--email --git --m --n --l --multiline]
Other options:
--version => show version
--help => show this help information
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Joe Perches
parent
d848223808
commit
cb7301c7a3
518
scripts/get_maintainer.pl
Executable file
518
scripts/get_maintainer.pl
Executable file
@ -0,0 +1,518 @@
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#!/usr/bin/perl -w
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# (c) 2007, Joe Perches <joe@perches.com>
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# created from checkpatch.pl
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#
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# Print selected MAINTAINERS information for
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# the files modified in a patch or for a file
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#
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# usage: perl scripts/get_maintainers.pl [OPTIONS] <patch>
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# perl scripts/get_maintainers.pl [OPTIONS] -f <file>
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#
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# Licensed under the terms of the GNU GPL License version 2
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use strict;
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my $P = $0;
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my $V = '0.14';
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use Getopt::Long qw(:config no_auto_abbrev);
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my $lk_path = "./";
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my $email = 1;
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my $email_usename = 1;
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my $email_maintainer = 1;
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my $email_list = 1;
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my $email_subscriber_list = 0;
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my $email_git = 1;
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my $email_git_penguin_chiefs = 0;
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my $email_git_min_signatures = 1;
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my $email_git_max_maintainers = 5;
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my $email_git_since = "1-year-ago";
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my $output_multiline = 1;
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my $output_separator = ", ";
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my $scm = 0;
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my $web = 0;
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my $subsystem = 0;
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my $status = 0;
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my $onefile = 0;
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my $version = 0;
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my $help = 0;
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my $exit = 0;
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my @penguin_chief = ();
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push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org");
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#Andrew wants in on most everything - 2009/01/14
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#push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org");
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my @penguin_chief_names = ();
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foreach my $chief (@penguin_chief) {
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if ($chief =~ m/^(.*):(.*)/) {
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my $chief_name = $1;
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my $chief_addr = $2;
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push(@penguin_chief_names, $chief_name);
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}
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}
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my $penguin_chiefs = "\(" . join("|",@penguin_chief_names) . "\)";
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if (!GetOptions(
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'email!' => \$email,
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'git!' => \$email_git,
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'git-chief-penguins!' => \$email_git_penguin_chiefs,
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'git-min-signatures=i' => \$email_git_min_signatures,
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'git-max-maintainers=i' => \$email_git_max_maintainers,
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'git-since=s' => \$email_git_since,
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'm!' => \$email_maintainer,
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'n!' => \$email_usename,
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'l!' => \$email_list,
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's!' => \$email_subscriber_list,
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'multiline!' => \$output_multiline,
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'separator=s' => \$output_separator,
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'subsystem!' => \$subsystem,
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'status!' => \$status,
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'scm!' => \$scm,
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'web!' => \$web,
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'f|file' => \$onefile,
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'v|version' => \$version,
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'h|help' => \$help,
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)) {
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usage();
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die "$P: invalid argument\n";
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}
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if ($help != 0) {
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usage();
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exit 0;
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}
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if ($version != 0) {
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print("${P} ${V}\n");
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exit 0;
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}
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my $infile = $ARGV[0];
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if ($#ARGV < 0) {
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usage();
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die "$P: argument missing: patchfile or -f file please\n";
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}
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my $selections = $email + $scm + $status + $subsystem + $web;
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if ($selections == 0) {
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usage();
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die "$P: Missing required option: email, scm, status, subsystem or web\n";
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}
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if ($email && ($email_maintainer + $email_list + $email_subscriber_list
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+ $email_git + $email_git_penguin_chiefs) == 0) {
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usage();
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die "$P: Please select at least 1 email option\n";
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}
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if (!top_of_kernel_tree($lk_path)) {
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die "$P: The current directory does not appear to be "
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. "a linux kernel source tree.\n";
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}
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## Read MAINTAINERS for type/value pairs
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my @typevalue = ();
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open(MAINT, "<${lk_path}MAINTAINERS") || die "$P: Can't open MAINTAINERS\n";
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while (<MAINT>) {
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my $line = $_;
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if ($line =~ m/^(\C):\s*(.*)/) {
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my $type = $1;
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my $value = $2;
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##Filename pattern matching
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if ($type eq "F" || $type eq "X") {
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$value =~ s@\.@\\\.@g; ##Convert . to \.
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$value =~ s/\*/\.\*/g; ##Convert * to .*
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$value =~ s/\?/\./g; ##Convert ? to .
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}
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push(@typevalue, "$type:$value");
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} elsif (!/^(\s)*$/) {
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$line =~ s/\n$//g;
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push(@typevalue, $line);
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}
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}
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close(MAINT);
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## use the filename on the command line or find the filenames in the patchfile
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my @files = ();
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if ($onefile) {
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if (!(-f $infile)) {
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die "$P: file '${infile}' not found\n";
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}
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push(@files, $infile);
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} else {
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open(PATCH, "<$infile") or die "$P: Can't open ${infile}\n";
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while (<PATCH>) {
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if (m/^\+\+\+\s+(\S+)/) {
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my $file = $1;
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$file =~ s@^[^/]*/@@;
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$file =~ s@\n@@;
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push(@files, $file);
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}
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}
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close(PATCH);
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my $file_cnt = @files;
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if ($file_cnt == 0) {
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print STDERR "$P: file '${infile}' doesn't appear to be a patch. "
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. "Add -f to options?\n";
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}
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@files = sort_and_uniq(@files);
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}
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my @email_to = ();
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my @scm = ();
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my @web = ();
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my @subsystem = ();
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my @status = ();
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# Find responsible parties
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foreach my $file (@files) {
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#Do not match excluded file patterns
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my $exclude = 0;
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foreach my $line (@typevalue) {
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if ($line =~ m/^(\C):(.*)/) {
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my $type = $1;
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my $value = $2;
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if ($type eq 'X') {
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if (file_match_pattern($file, $value)) {
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$exclude = 1;
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}
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}
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}
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}
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if (!$exclude) {
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my $tvi = 0;
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foreach my $line (@typevalue) {
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if ($line =~ m/^(\C):(.*)/) {
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my $type = $1;
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my $value = $2;
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if ($type eq 'F') {
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if (file_match_pattern($file, $value)) {
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add_categories($tvi);
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}
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}
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}
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$tvi++;
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}
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}
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if ($email_git) {
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recent_git_signoffs($file);
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}
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}
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if ($email_git_penguin_chiefs) {
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foreach my $chief (@penguin_chief) {
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if ($chief =~ m/^(.*):(.*)/) {
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my $chief_name = $1;
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my $chief_addr = $2;
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if ($email_usename) {
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push(@email_to, format_email($chief_name, $chief_addr));
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} else {
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push(@email_to, $chief_addr);
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}
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}
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}
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}
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if ($email) {
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my $address_cnt = @email_to;
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if ($address_cnt == 0 && $email_list) {
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push(@email_to, "linux-kernel\@vger.kernel.org");
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}
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#Don't sort email address list, but do remove duplicates
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@email_to = uniq(@email_to);
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output(@email_to);
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}
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if ($scm) {
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if (!$onefile) {
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@scm = sort_and_uniq(@scm);
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}
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output(@scm);
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}
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if ($status) {
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if (!$onefile) {
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@status = sort_and_uniq(@status);
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}
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output(@status);
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}
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if ($subsystem) {
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if (!$onefile) {
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@subsystem = sort_and_uniq(@subsystem);
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}
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output(@subsystem);
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}
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if ($web) {
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if (!$onefile) {
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@web = sort_and_uniq(@web);
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}
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output(@web);
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}
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exit($exit);
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sub file_match_pattern {
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my ($file, $pattern) = @_;
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if (substr($pattern, -1) eq "/") {
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if ($file =~ m@^$pattern@) {
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return 1;
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}
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} else {
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if ($file =~ m@^$pattern@) {
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my $s1 = ($file =~ tr@/@@);
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my $s2 = ($pattern =~ tr@/@@);
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if ($s1 == $s2) {
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return 1;
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}
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}
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}
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return 0;
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}
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sub usage {
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print <<EOT;
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usage: $P [options] patchfile
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$P [options] -f file
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version: $V
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MAINTAINER field selection options:
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--email => print email address(es) if any
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--git => include recent git \*-by: signers
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--git-chief-penguins => include ${penguin_chiefs}
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--git-min-signatures => number of signatures required (default: 1)
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--git-max-maintainers => maximum maintainers to add (default: 5)
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--git-since => git history to use (default: 1-year-ago)
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--m => include maintainer(s) if any
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--n => include name 'Full Name <addr\@domain.tld>'
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--l => include list(s) if any
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--s => include subscriber only list(s) if any
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--scm => print SCM tree(s) if any
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--status => print status if any
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--subsystem => print subsystem name if any
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--web => print website(s) if any
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Output type options:
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--separator [, ] => separator for multiple entries on 1 line
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--multiline => print 1 entry per line
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Default options:
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[--email --git --m --l --multiline]
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Other options:
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--version -> show version
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--help => show this help information
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EOT
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}
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sub top_of_kernel_tree {
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my ($lk_path) = @_;
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if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") {
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$lk_path .= "/";
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}
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if ( (-f "${lk_path}COPYING")
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&& (-f "${lk_path}CREDITS")
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&& (-f "${lk_path}Kbuild")
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&& (-f "${lk_path}MAINTAINERS")
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&& (-f "${lk_path}Makefile")
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&& (-f "${lk_path}README")
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&& (-d "${lk_path}Documentation")
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&& (-d "${lk_path}arch")
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&& (-d "${lk_path}include")
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&& (-d "${lk_path}drivers")
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&& (-d "${lk_path}fs")
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&& (-d "${lk_path}init")
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&& (-d "${lk_path}ipc")
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&& (-d "${lk_path}kernel")
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&& (-d "${lk_path}lib")
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&& (-d "${lk_path}scripts")) {
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return 1;
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}
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return 0;
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}
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sub format_email {
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my ($name, $email) = @_;
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$name =~ s/^\s+|\s+$//g;
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$email =~ s/^\s+|\s+$//g;
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my $formatted_email = "";
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if ($name =~ /[^a-z0-9 \.\-]/i) { ##has "must quote" chars
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$name =~ s/(?<!\\)"/\\"/g; ##escape quotes
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$formatted_email = "\"${name}\"\ \<${email}\>";
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} else {
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$formatted_email = "${name} \<${email}\>";
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}
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return $formatted_email;
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}
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sub add_categories {
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my ($index) = @_;
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$index = $index - 1;
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while ($index >= 0) {
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my $tv = $typevalue[$index];
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if ($tv =~ m/^(\C):(.*)/) {
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my $ptype = $1;
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my $pvalue = $2;
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if ($ptype eq "L") {
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my $subscr = $pvalue;
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if ($subscr =~ m/\s*\(subscribers-only\)/) {
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if ($email_subscriber_list) {
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$subscr =~ s/\s*\(subscribers-only\)//g;
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push(@email_to, $subscr);
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}
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} else {
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if ($email_list) {
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push(@email_to, $pvalue);
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}
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}
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} elsif ($ptype eq "M") {
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if ($email_maintainer) {
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if ($index >= 0) {
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my $tv = $typevalue[$index - 1];
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if ($tv =~ m/^(\C):(.*)/) {
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if ($1 eq "P" && $email_usename) {
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push(@email_to, format_email($2, $pvalue));
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} else {
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push(@email_to, $pvalue);
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}
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}
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} else {
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push(@email_to, $pvalue);
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}
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}
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} elsif ($ptype eq "T") {
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push(@scm, $pvalue);
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} elsif ($ptype eq "W") {
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push(@web, $pvalue);
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} elsif ($ptype eq "S") {
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push(@status, $pvalue);
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}
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$index--;
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} else {
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push(@subsystem,$tv);
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$index = -1;
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}
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}
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}
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sub which {
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my ($bin) = @_;
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foreach my $path (split /:/, $ENV{PATH}) {
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if (-e "$path/$bin") {
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return "$path/$bin";
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}
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}
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return "";
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}
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sub recent_git_signoffs {
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my ($file) = @_;
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my $sign_offs = "";
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my $cmd = "";
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my $output = "";
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my $count = 0;
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my @lines = ();
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if (which("git") eq "") {
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die("$P: git not found. Add --nogit to options?\n");
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}
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$cmd = "git log --since=${email_git_since} -- ${file}";
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$cmd .= " | grep -P '^ [-A-Za-z]+by:.*\\\@'";
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if (!$email_git_penguin_chiefs) {
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$cmd .= " | grep -E -v \"${penguin_chiefs}\"";
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}
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$cmd .= " | sort | uniq -c | sort -rn";
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$output = `${cmd}`;
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$output =~ s/^\s*//gm;
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@lines = split("\n", $output);
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foreach my $line (@lines) {
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if ($line =~ m/([0-9]+)\s+([-A-Za-z]+by:)\s+(.*)/) {
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my $sign_offs = $1;
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$line = $3;
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$count++;
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if ($sign_offs < $email_git_min_signatures ||
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$count > $email_git_max_maintainers) {
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last;
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}
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} else {
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die("$P: Unexpected git output: ${line}\n");
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}
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if ($line =~ m/(.*) <(.*)>/) {
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my $git_name = $1;
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my $git_addr = $2;
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$git_name =~ tr/^\"//;
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$git_name =~ tr/\"$//;
|
||||
if ($email_usename) {
|
||||
push(@email_to, format_email($git_name, $git_addr));
|
||||
} else {
|
||||
push(@email_to, $git_addr);
|
||||
}
|
||||
} elsif ($line =~ m/<(.*)>/) {
|
||||
my $git_addr = $1;
|
||||
push(@email_to, $git_addr);
|
||||
} else {
|
||||
push(@email_to, $line);
|
||||
}
|
||||
}
|
||||
return $output;
|
||||
}
|
||||
|
||||
sub uniq {
|
||||
my @parms = @_;
|
||||
|
||||
my %saw;
|
||||
@parms = grep(!$saw{$_}++, @parms);
|
||||
return @parms;
|
||||
}
|
||||
|
||||
sub sort_and_uniq {
|
||||
my @parms = @_;
|
||||
|
||||
my %saw;
|
||||
@parms = sort @parms;
|
||||
@parms = grep(!$saw{$_}++, @parms);
|
||||
return @parms;
|
||||
}
|
||||
|
||||
sub output {
|
||||
my @parms = @_;
|
||||
|
||||
if ($output_multiline) {
|
||||
foreach my $line (@parms) {
|
||||
print("${line}\n");
|
||||
}
|
||||
} else {
|
||||
print(join($output_separator, @parms));
|
||||
print("\n");
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user