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) | perl-modules-5.22 | perl-modules-5.24 | libio-socket-ip-perl',
  31     'Swagger2'             => 'libswagger2-perl (>= 0.59)',
  32     'Mojolicious'          => 'libmojolicious-perl (>= 6.0)',
  33 );
  34
  35 # These are packages we're going to ignore
  36 my %ignore = (
  37     'Data::Pagination'       => 1,
  38     'CHI'                    => 1,
  39     'CHI::Driver::Memcached' => 1,
  40 );
  41
  42 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.]+)";
  43
  44 my $modules = C4::Installer::PerlModules->new();
  45 my $prereqs = $modules->prereqs;
  46 foreach my $phase ($prereqs->phases) {
  47     foreach my $type ($prereqs->types_in($phase)) {
  48         my $reqs = $prereqs->requirements_for($phase, $type);
  49         foreach my $module ( $reqs->required_modules ) {
  50             next if $ignore{$module};
  51             my $subpath = $module;
  52             $subpath =~ s,::,/,g;
  53             my $output = qx(apt-file -l -x search "$prefix/$subpath.pm\$");
  54             my @temp   = split( /\n/, $output );
  55             my @lines  = ();
  56
  57             # Remove packages that are required/essential and always installed on
  58             # a Debian system. Debian packages should not have unversioned
  59             # dependencies on such packages.
  60             foreach my $line (@temp) {
  61                 if ( $line ne "perl-base" ) {
  62                     @lines = ( @lines, $line );
  63                 }
  64             }
  65             if ( exists $overrides{$module} ) {
  66                 print "$overrides{$module}\n";
  67             }
  68             elsif ( scalar(@lines) == 1 && $lines[0] ne "" ) {
  69                 my $pkg = $lines[0];
  70                 print "$pkg\n";
  71             }
  72             elsif ( scalar(@lines) > 1 ) {
  73                 foreach my $pkg (@lines) {
  74                     print " | " if ( $pkg ne $lines[0] );
  75                     print "$pkg";
  76                     print " | $pkg" . "-5.22" if ( $pkg eq "perl-modules" );
  77                     print " | $pkg" . "-5.24" if ( $pkg eq "perl-modules" );
  78                 }
  79                 print "\n";
  80             }
  81             elsif ( scalar(@temp) != 0 ) {
  82
  83                 # I'm an Essential and I'm OK,
  84                 # I install all night, and work all day.
  85                 # I chomp up strings. I eat my bugs.
  86                 # I go to the base install.
  87                 # On Fridays I go drinking,
  88                 # and have buttered commits for git.
  89                 # (Beer O'Clock is more than two hours
  90                 # away. I don't even drink beer. There
  91                 # is no reason to be suspicious of this
  92                 # commit.)
  93                 # RM note: suspicious?  me?  always!
  94             }
  95             elsif ( $type ne 'requires' ) {
  96                 # Ignore because we don't have it and we don't care.
  97             }
  98             else {
  99                 print "EEEK: unknown package for $module\n";
 100             }
 101         }
 102     }
 103 }