1 files changed, 80 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Files/Compressed.pm b/lib/Lintian/Check/Files/Compressed.pm
new file mode 100644
index 0000000..d64807f
--- /dev/null
+++ b/lib/Lintian/Check/Files/Compressed.pm
@@ -0,0 +1,80 @@
+# files/compressed -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+#
+# 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::Compressed;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+
+const my $VERTICAL_BAR => q{|};
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+# an OR (|) regex of all compressed extension
+has COMPRESS_FILE_EXTENSIONS_OR_ALL => (
+    is => 'rw',
+    lazy => 1,
+    default => sub {
+        my ($self) = @_;
+
+        my $COMPRESS_FILE_EXTENSIONS
+          = $self->data->load('files/compressed-file-extensions',qr/\s+/);
+
+        my $text = join($VERTICAL_BAR,
+            map { quotemeta }$COMPRESS_FILE_EXTENSIONS->all);
+
+        return qr/$text/;
+    }
+);
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    return
+      unless $item->is_file;
+
+    my $regex = $self->COMPRESS_FILE_EXTENSIONS_OR_ALL;
+
+    # see tag duplicated-compressed-file
+    my $DUPLICATED_COMPRESSED_FILE_REGEX= qr/^(.+)\.$regex$/;
+
+    # both compressed and uncompressed present
+    if ($item->name =~ $DUPLICATED_COMPRESSED_FILE_REGEX) {
+
+        $self->pointed_hint('compressed-duplicate', $item->pointer)
+          if $self->processable->installed->lookup($1);
+    }
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et