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
  22 use C4::Installer::PerlModules;
  23
  24 # These are packages that may not be in the apt archive in a way that
  25 # apt-file can find, e.g. in the Koha repo rather than the regular
  26 # debian one.
  27 my %overrides = (
  28     'LWP::Protocol::https' => 'liblwp-protocol-https-perl|libwww-perl (<<6.02), libio-socket-ssl-perl',
  29     'HTTP::OAI'            => 'libhttp-oai-perl (>= 3.2) | libhttp-oai-3.27-perl, libhttp-oai-perl (<< 4.0) | libhttp-oai-3.27-perl',
  30     'IO::Socket::IP'       => 'perl-modules (>= 5.20.0) | libio-socket-ip-perl',
  31     'Swagger2'             => 'libswagger2-perl (>= 0.59)',
  32     'Mojolicious'          => 'libmojolicious-perl (>= 6.0)',
  33     'CPAN::Meta'           => 'libcpan-meta-perl (>= 2.150010) | perl-modules-5.28 | perl-modules-5.30 | perl-modules (>= 5.20.2)'
  34 );
  35
  36 # These are packages we're going to ignore
  37 my %ignore = (
  38     'Data::Pagination'       => 1,
  39     'CHI'                    => 1,
  40     'CHI::Driver::Memcached' => 1,
  41 );
  42
  43 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.]+)";
  44
  45 my $modules = C4::Installer::PerlModules->new();
  46 my $prereqs = $modules->prereqs;
  47 foreach my $phase ($prereqs->phases) {
  48     foreach my $type ($prereqs->types_in($phase)) {
  49         my $reqs = $prereqs->requirements_for($phase, $type);
  50         foreach my $module ( $reqs->required_modules ) {
  51             next if $ignore{$module};
  52             my $subpath = $module;
  53             $subpath =~ s,::,/,g;
  54             my $output = qx(apt-file -l -x search "$prefix/$subpath.pm\$");
  55             my @temp   = split( /\n/, $output );
  56             my @lines  = ();
  57
  58             # Remove packages that are required/essential and always installed on
  59             # a Debian system. Debian packages should not have unversioned
  60             # dependencies on such packages.
  61
  62
  63             # skip perl-base and problematic version specific libperl* and
  64             # perl-module* packages (they get installed as deps. anyway)
  65             foreach my $line (@temp) {
  66                 if ( $line ne "perl-base" and $line !~ /^libperl5\./ and $line !~ /^perl-modules-5\./ ) {
  67                     @lines = ( @lines, $line );
  68                 }
  69             }
  70
  71             if ( exists $overrides{$module} ) {
  72                 print "$overrides{$module}\n";
  73             }
  74             elsif ( scalar(@lines) == 1 && $lines[0] ne "" ) {
  75                 my $pkg = $lines[0];
  76                 print "$pkg\n";
  77             }
  78             elsif ( scalar(@lines) > 1 ) {
  79                 foreach my $pkg (@lines) {
  80                     print " | " if ( $pkg ne $lines[0] );
  81                     print "$pkg";
  82                 }
  83                 print "\n";
  84             }
  85             elsif ( scalar(@temp) != 0 ) {
  86
  87                 # I'm an Essential and I'm OK,
  88                 # I install all night, and work all day.
  89                 # I chomp up strings. I eat my bugs.
  90                 # I go to the base install.
  91                 # On Fridays I go drinking,
  92                 # and have buttered commits for git.
  93                 # (Beer O'Clock is more than two hours
  94                 # away. I don't even drink beer. There
  95                 # is no reason to be suspicious of this
  96                 # commit.)
  97                 # RM note: suspicious?  me?  always!
  98             }
  99             elsif ( $type ne 'requires' ) {
 100                 # Ignore because we don't have it and we don't care.
 101             }
 102             else {
 103                 print "EEEK: unknown package for $module\n";
 104             }
 105         }
 106     }
 107 }