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#!/usr/bin/env perl
#
# InspIRCd -- Internet Relay Chat Daemon
#
# Copyright (C) 2020-2021 Sadie Powell <sadie@witchery.services>
#
# This file is part of InspIRCd. InspIRCd is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
use v5.10.0;
use strict;
use warnings FATAL => qw(all);
use File::Basename qw(dirname);
use File::Util ();
use FindBin qw($RealDir);
use List::Util qw(uniq);
use POSIX qw(strftime);
use lib dirname $RealDir;
use make::common;
use make::console;
my @ignored_revisions = (
'0b4285abd12323920d92fee51e199edd7527dbec', # adding copyright headers
'46a39046196f55b52336e19662bb7bac85b731ac', # adding copyright headers
'4a6fedd9324d87349a806c9c1d0ae6e7d3c1fd38', # mass-updating descriptions
'56375392ba94f2552bbeeeab4fd39e1e50295525', # sadie's name change
'bab14f0dd2345c9d7dcbc47c918563709e1ac094', # peavey breaking line endings
'f2acdbc3820f0f4f5ef76a0a64e73d2a320df91f', # peavey fixing line endings
);
my @paths = File::Util->new->list_dir(dirname($RealDir) => { recurse => 1 });
my @updated;
for my $path (@paths) {
next unless -f $path;
next if $path =~ /\/\./;
next if $path =~ /\/build\//;
next if $path =~ /\/vendor\//;
if (system "git ls-files --error-unmatch -- $path 1>/dev/null 2>/dev/null") {
say STDERR console_format "Skipping <|YELLOW $path|> as it has not been committed." if defined $ENV{MKHEADERS_VERBOSE};
next;
}
open(my $fh, $path) or print_error "unable to read from $path: $!";
my ($copyright, $indent, @lines);
for my $line (<$fh>) {
chomp $line;
if ($line =~ /^([^0-9A-Za-z]+\s)Copyright\s+\(C\)\s+[^<]+\s+<[^>]+>$/) {
$copyright = scalar @lines;
$indent = $1;
} else {
push @lines, $line;
}
}
close $fh;
if (defined $copyright) {
say console_format "Updating copyright headers in <|GREEN $path|>." if defined $ENV{MKHEADERS_VERBOSE};
my (%author, %authors);
my $ignored_args = join ' ', map { "--ignore-rev $_" } @ignored_revisions;
for my $line (split /\n+/, `git blame $ignored_args --incremental -M -w HEAD -- $path`) {
if ($line =~ /^([0-9a-f]{40})(?:\s\d+){3}$/) {
$author{COMMITS} //= [];
push @{$author{COMMITS}}, $1;
} elsif ($line =~ /^author (.+)/) {
$author{NAME} = $1;
} elsif ($line =~ /^author-mail <(.+)>/) {
$author{EMAIL} = $1;
} elsif ($line =~ /^author-time (.+)/) {
$author{YEAR} = strftime '%Y', gmtime $1;
} elsif ($line =~ /^filename /) {
next unless scalar keys %author > 1;
my $display = sprintf "%s <%s>", $author{NAME}, $author{EMAIL};
$authors{$display} //= [];
push @{$authors{$display}}, $author{YEAR};
for my $commit (uniq @{$author{COMMITS}}) {
my $details = `git rev-list --format=%B --max-count=1 $commit`;
while ($details =~ /co-authored-by: ([^<]+<[^>]+>)/gi) {
$authors{$1} //= [];
push @{$authors{$1}}, $author{YEAR};
}
}
undef %author;
}
}
my @copyrights;
while (my ($display, $years) = each %authors) {
next if $display eq 'InspIRCd Robot <noreply@inspircd.org>';
my ($last_year, $start_year, @year_ranges);
for my $year (uniq sort @$years) {
if (!defined $last_year) {
$start_year = $last_year = $year
} elsif ($year == $last_year + 1) {
$last_year = $year;
} else {
if ($last_year == $start_year) {
push @year_ranges, $last_year;
} else {
push @year_ranges, "$start_year-$last_year";
}
$start_year = $last_year = $year;
}
}
if (defined $last_year) {
if ($last_year == $start_year) {
push @year_ranges, $last_year;
} else {
push @year_ranges, "$start_year-$last_year";
}
}
my $joined_years = join ', ', @year_ranges;
push @copyrights, "${\$indent}Copyright (C) $joined_years $display";
}
splice @lines, $copyright, 0, reverse sort @copyrights;
open(my $fh, '>', $path) or print_error "unable to write to $path: $!";
for my $line (@lines) {
say $fh $line;
}
close $fh;
push @updated, $path;
} else {
say STDERR console_format "Skipping <|YELLOW $path|> as it contains no copyright headers." if defined $ENV{MKHEADERS_VERBOSE};
}
}
execute 'git', 'commit',
'--author', 'InspIRCd Robot <noreply@inspircd.org>',
'--message', 'Update copyright headers.',
'--', @updated;
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