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#!/usr/bin/perl
use warnings;
use strict;
use integer;
use FindBin;
our @kind = (
{ cmd => 'md5sum' , name => 'MD5sum' },
{ cmd => 'sha1sum' , name => 'SHA1' },
{ cmd => 'sha256sum', name => 'SHA256' },
);
@ARGV == 5 or die "usage: $0"
. " [OLD-PACKAGES-FILE] [OLD-I18N-DIRECTORY]"
. " [NEW-PACKAGES-FILE] [NEW-I18N-DIRECTORY] [NEW-ARCHIVE-DIRECTORY]\n";
my ($file_pkg1, $dir_i18n1, $file_pkg2, $dir_i18n2, $dir_arc) = @ARGV;
my @file_i18n;
opendir my $dir, $dir_i18n1 or die "$0: cannot open i18n directory\n";
while(readdir $dir) {
push @file_i18n, $_
unless $_ eq "Translation-en" || $_ eq '.' || $_ eq '..';
}
closedir $dir;
local $/ = '';
my %md; # md5sums of package descriptions
for my $basename ('Translation-en', @file_i18n) {
open my $f1, '<', "$dir_i18n1/$basename"
or die "$0: failed to open i18n source directory";
open my $f2, '>', "$dir_i18n2/$basename"
or die "$0: failed to open i18n destination directory";
my $tempfilename = `mktemp`; chomp $tempfilename;
open my $temp, '>', $tempfilename; close $temp;
while (<$f1>) {
my ($pkg) = /^Package:\s*(\S+)$/m;
my ($desc) = /^Description-(?!md5:)\w+: (.*\n(?: .*\n)*)/m;
open my $temp, '>', $tempfilename;
print $temp $desc;
close $temp;
# The following probably should have been done using Perl's
# Digest::MD5 module, but the matter is unimportant and the
# writer lacks time to reconsider the design. This is just
# uninstalled test software, after all.
my $md = `md5sum <$tempfilename`; chomp $md; $md =~ s/^(\S+).*$/$1/;
s/^(Description-md5:).*/$1 $md/m;
print $f2 $_;
$md{$pkg} = $md if $basename eq 'Translation-en';
(defined($md) && defined($pkg)) or die "$0: missing fields in i18n\n";
}
unlink $tempfilename;
close $f2;
close $f1;
}
open my $f1, '<', $file_pkg1
or die "$0: failed to open Packages source file";
open my $f2, '>', $file_pkg2
or die "$0: failed to open Packages destination file";
while (<$f1>) {
my ($pkg) = /^Package:\s*(\S+)$/m;
s/^(Description-md5:).*$/$1 ${md{$pkg}}/m if defined $md{$pkg};
my ($fn) = /^Filename:\s*(\S+)/m;
for my $kind (@kind) {
my ($sum) = `$kind->{cmd} $dir_arc/$fn` =~ /(\S+)/;
s/^($kind->{name}:).*/$1 $sum/m;
}
my @stat = stat "$dir_arc/$fn";
my $size = $stat[7];
s/^(Size:).*$/$1 $size/m;
print $f2 $_;
}
close $f2;
close $f1;
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