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| -rwxr-xr-x | tools/mkheaders | 149 |
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; |