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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Perl
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195#!/usr/bin/perl -w# SPDX-License-Identifier: GPL-2.0
use strict;use Getopt::Long qw(:config no_auto_abbrev);
my $input_file = "MAINTAINERS";my $output_file = "MAINTAINERS.new";my $output_section = "SECTION.new";my $help = 0;my $order = 0;my $P = $0;
if (!GetOptions( 'input=s' => \$input_file, 'output=s' => \$output_file, 'section=s' => \$output_section, 'order!' => \$order, 'h|help|usage' => \$help, )) { die "$P: invalid argument - use --help if necessary\n";}
if ($help != 0) { usage(); exit 0;}
sub usage { print <<EOT;usage: $P [options] <pattern matching regexes>
--input => MAINTAINERS file to read (default: MAINTAINERS) --output => sorted MAINTAINERS file to write (default: MAINTAINERS.new) --section => new sorted MAINTAINERS file to write to (default: SECTION.new) --order => Use the preferred section content output ordering (default: 0) Preferred ordering of section output is: M: Person acting as a maintainer R: Person acting as a patch reviewer L: Mailing list where patches should be sent S: Maintenance status W: URI for general information Q: URI for patchwork tracking B: URI for bug tracking/submission C: URI for chat P: URI or file for subsystem specific coding styles T: SCM tree type and location F: File and directory pattern X: File and directory exclusion pattern N: File glob K: Keyword - patch content regex
If <pattern match regexes> exist, then the sections that match theregexes are not written to the output file but are written to thesection file.
EOT}
# sort comparison functionssub by_category($$) { my ($a, $b) = @_;
$a = uc $a; $b = uc $b;
# This always sorts last $a =~ s/THE REST/ZZZZZZ/g; $b =~ s/THE REST/ZZZZZZ/g;
return $a cmp $b;}
sub by_pattern($$) { my ($a, $b) = @_; my $preferred_order = 'MRLSWQBCPTFXNK';
my $a1 = uc(substr($a, 0, 1)); my $b1 = uc(substr($b, 0, 1));
my $a_index = index($preferred_order, $a1); my $b_index = index($preferred_order, $b1);
$a_index = 1000 if ($a_index == -1); $b_index = 1000 if ($b_index == -1);
if (($a1 =~ /^F$/ && $b1 =~ /^F$/) || ($a1 =~ /^X$/ && $b1 =~ /^X$/)) { return $a cmp $b; }
if ($a_index < $b_index) { return -1; } elsif ($a_index == $b_index) { return 0; } else { return 1; }}
sub trim { my $s = shift; $s =~ s/\s+$//; $s =~ s/^\s+//; return $s;}
sub alpha_output { my ($hashref, $filename) = (@_);
return if ! scalar(keys %$hashref);
open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n"; my $separator; foreach my $key (sort by_category keys %$hashref) { if ($key eq " ") { print $file $$hashref{$key}; } else { if (! defined $separator) { $separator = "\n"; } else { print $file $separator; } print $file $key . "\n"; if ($order) { foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) { print $file ($pattern . "\n"); } } else { foreach my $pattern (split('\n', %$hashref{$key})) { print $file ($pattern . "\n"); } } } } close($file);}
sub file_input { my ($hashref, $filename) = (@_);
my $lastline = ""; my $case = " "; $$hashref{$case} = "";
open(my $file, '<', "$filename") or die "$P: $filename: open failed - $!\n";
while (<$file>) { my $line = $_;
# Pattern line? if ($line =~ m/^([A-Z]):\s*(.*)/) { $line = $1 . ":\t" . trim($2) . "\n"; if ($lastline eq "") { $$hashref{$case} = $$hashref{$case} . $line; next; } $case = trim($lastline); exists $$hashref{$case} and die "Header '$case' already exists"; $$hashref{$case} = $line; $lastline = ""; next; }
if ($case eq " ") { $$hashref{$case} = $$hashref{$case} . $lastline; $lastline = $line; next; } trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'"); $lastline = $line; } $$hashref{$case} = $$hashref{$case} . $lastline; close($file);}
my %hash;my %new_hash;
file_input(\%hash, $input_file);
foreach my $type (@ARGV) { foreach my $key (keys %hash) { if ($key =~ /$type/ || $hash{$key} =~ /$type/) { $new_hash{$key} = $hash{$key}; delete $hash{$key}; } }}
alpha_output(\%hash, $output_file);alpha_output(\%new_hash, $output_section);
exit(0);