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-rwxr-xr-xtools/mkheaders149
1 files changed, 149 insertions, 0 deletions
diff --git a/tools/mkheaders b/tools/mkheaders
new file mode 100755
index 000000000..a8763e9d7
--- /dev/null
+++ b/tools/mkheaders
@@ -0,0 +1,149 @@
+#!/usr/bin/env perl
+#
+# InspIRCd -- Internet Relay Chat Daemon
+#
+# Copyright (C) 2020 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/>.
+#
+
+
+BEGIN {
+ require 5.10.0;
+ unless (-f 'configure') {
+ print "Error: $0 must be run from the main source directory!\n";
+ exit 1;
+ }
+}
+
+use feature ':5.10';
+use strict;
+use warnings FATAL => qw(all);
+
+use File::Util ();
+use FindBin qw($RealDir);
+use List::Util qw(uniq);
+use POSIX qw(strftime);
+
+use lib $RealDir;
+use make::console;
+
+my @ignored_revisions = (
+ '0b4285abd12323920d92fee51e199edd7527dbec', # adding copyright headers
+ '46a39046196f55b52336e19662bb7bac85b731ac', # adding copyright headers
+ '56375392ba94f2552bbeeeab4fd39e1e50295525', # sadie's name change
+ 'bab14f0dd2345c9d7dcbc47c918563709e1ac094', # peavey breaking line endings
+ 'f2acdbc3820f0f4f5ef76a0a64e73d2a320df91f', # peavey fixing line endings
+);
+
+my @paths = File::Util->new->list_dir('.' => { recurse => 1 });
+my @updated;
+for my $path (@paths) {
+ next unless -f $path;
+ next if $path =~ /\/\./;
+ next if $path =~ /\/vendor\//;
+
+ if (system "git ls-files --error-unmatch -- $path 1>/dev/null 2>/dev/null") {
+ print_format "Skipping <|YELLOW $path|> as it has not been committed.\n" 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) {
+ print_format "Updating copyright headers in <|GREEN $path|>.\n" 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 -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 {
+ print_format "Skipping <|YELLOW $path|> as it contains no copyright headers.\n" if defined $ENV{MKHEADERS_VERBOSE};
+ }
+}
+
+system 'git', 'commit',
+ '--author', 'InspIRCd Robot <noreply@inspircd.org>',
+ '--message', 'Update copyright headers.',
+ '--', @updated;