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Diffstat (limited to '')
-rw-r--r-- | lib/Lintian/Check/Files/Duplicates.pm | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Files/Duplicates.pm b/lib/Lintian/Check/Files/Duplicates.pm new file mode 100644 index 0000000..b1dc809 --- /dev/null +++ b/lib/Lintian/Check/Files/Duplicates.pm @@ -0,0 +1,88 @@ +# files/duplicates -- lintian check script -*- perl -*- + +# Copyright (C) 2011 Niels Thykier +# +# This program 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; either version 2 of the License, or +# (at your option) any later version. +# +# 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, you can find it on the World Wide +# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free +# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, +# MA 02110-1301, USA. + +package Lintian::Check::Files::Duplicates; + +use v5.20; +use warnings; +use utf8; + +use List::SomeUtils qw(any); + +use Moo; +use namespace::clean; + +with 'Lintian::Check'; + +has md5map => (is => 'rw', default => sub{ {} }); + +sub visit_installed_files { + my ($self, $item) = @_; + + return + unless $item->is_regular_file; + + # Ignore empty files; in some cases (e.g. python) a file is + # required even if it is empty and we are never looking at a + # substantial gain in such a case. Also see #632789 + return + unless $item->size; + + my $calculated = $item->md5sum; + return + unless defined $calculated; + + return + unless $item->name =~ m{\A usr/share/doc/}xsm; + + $self->md5map->{$calculated} //= []; + + push(@{$self->md5map->{$calculated}}, $item); + + return; +} + +sub installable { + my ($self) = @_; + + for my $md5 (keys %{$self->md5map}){ + my @files = @{ $self->md5map->{$md5} }; + + next + if scalar @files < 2; + + if (any { m/changelog/i} @files) { + $self->hint('duplicate-changelog-files', (sort @files)); + + } else { + $self->hint('duplicate-files', (sort @files)); + } + } + + return; +} + +1; + +# Local Variables: +# indent-tabs-mode: nil +# cperl-indent-level: 4 +# End: +# vim: syntax=perl sw=4 sts=4 sr et |