debian/list-deps

   1 #!/usr/bin/perl
   2 #
   3 # Write dependency list from Koha cpanfile, in Debian format.
   4 #
   5 # Copyright 2010  Catalyst IT, Ltd
   6 #
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 use Modern::Perl;
  21 use Parallel::ForkManager;
  22 use Sys::CPU;
  23
  24 use C4::Installer::PerlModules;
  25
  26 # These are packages that may not be in the apt archive in a way that
  27 # apt-file can find, e.g. in the Koha repo rather than the regular
  28 # debian one.
  29 my %overrides = (
  30     'LWP::Protocol::https' => 'liblwp-protocol-https-perl | libwww-perl (<<6.02), libio-socket-ssl-perl',
  31     'HTTP::OAI'            => 'libhttp-oai-perl (>= 3.2) | libhttp-oai-3.27-perl, libhttp-oai-perl (<< 4.0) | libhttp-oai-3.27-perl',
  32     'IO::Socket::IP'       => 'perl-modules (>= 5.20.0) | libio-socket-ip-perl',
  33     'Swagger2'             => 'libswagger2-perl (>= 0.59)',
  34     'Mojolicious'          => 'libmojolicious-perl (>= 6.0)',
  35     'CPAN::Meta'           => 'libcpan-meta-perl (>= 2.150010) | perl-modules-5.28 | perl-modules-5.30 | perl-modules (>= 5.20.2)',
  36     'Locale::Language'     => 'liblocale-codes-perl'
  37 );
  38
  39 # These are packages we're going to ignore
  40 my %ignore = (
  41     'Data::Pagination'       => 1,
  42     'CHI'                    => 1,
  43     'CHI::Driver::Memcached' => 1,
  44 );
  45
  46 my $prefix = "^/usr/((lib|share)/perl5|(lib|share)/perl/[0-9.]+|(lib|share)/.*-linux-gnu.*/perl/[0-9.]+|(lib|share)/.*-linux-gnu.*/perl5/[0-9.]+)";
  47
  48 my $pm   = Parallel::ForkManager->new( Sys::CPU::cpu_count() );
  49
  50 my $modules = C4::Installer::PerlModules->new();
  51 my $prereqs = $modules->prereqs;
  52 foreach my $phase ($prereqs->phases) {
  53     foreach my $type ($prereqs->types_in($phase)) {
  54         my $reqs = $prereqs->requirements_for($phase, $type);
  55
  56         MODULE_LOOP:
  57         foreach my $module ( $reqs->required_modules ) {
  58             my $pid = $pm->start and next MODULE_LOOP;
  59
  60             next if $ignore{$module};
  61             my $subpath = $module;
  62             $subpath =~ s,::,/,g;
  63
  64             my $output = qx(apt-file -l -x search "$prefix/$subpath.pm\$");
  65             my @temp   = split( /\n/, $output );
  66             my @lines  = ();
  67
  68             # Remove packages that are required/essential and always installed on
  69             # a Debian system. Debian packages should not have unversioned
  70             # dependencies on such packages.
  71
  72
  73             # skip perl-base and problematic version specific libperl* and
  74             # perl-module* packages (they get installed as deps. anyway)
  75             foreach my $line (@temp) {
  76                 if ( $line ne "perl-base" and $line !~ /^libperl5\./ and $line !~ /^perl-modules-5\./ ) {
  77                     @lines = ( @lines, $line );
  78                 }
  79             }
  80
  81             if ( exists $overrides{$module} ) {
  82                 print "$overrides{$module}\n";
  83             }
  84             elsif ( scalar(@lines) == 1 && $lines[0] ne "" ) {
  85                 my $pkg = $lines[0];
  86                 print "$pkg\n";
  87             }
  88             elsif ( scalar(@lines) > 1 ) {
  89                 foreach my $pkg (@lines) {
  90                     print " | " if ( $pkg ne $lines[0] );
  91                     print "$pkg";
  92                 }
  93                 print "\n";
  94             }
  95             elsif ( scalar(@temp) != 0 ) {
  96                 # hmm, skip module
  97             }
  98             elsif ( $type ne 'requires' ) {
  99                 # Ignore because we don't have it and we don't care.
 100             }
 101             else {
 102                 print "EEEK: unknown package for $module\n";
 103             }
 104
 105             $pm->finish; # Terminates the child process
 106         }
 107     }
 108 }
 109 $pm->wait_all_children;