1 files changed, 69 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Apt.pm b/lib/Lintian/Check/Apt.pm
new file mode 100644
index 0000000..08b5ce6
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+++ b/lib/Lintian/Check/Apt.pm
@@ -0,0 +1,69 @@
+# apt -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+# Copyright (C) 2021 Felix Lechner
+#
+# 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::Apt;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    return
+      if $self->processable->source_name eq 'apt';
+
+    # /etc/apt/preferences
+    $self->pointed_hint('package-installs-apt-preferences', $item->pointer)
+      if $item->name =~ m{^ etc/apt/preferences (?: $ | [.]d / [^/]+ ) }x;
+
+    # /etc/apt/sources
+    unless ($self->processable->name =~ m{ -apt-source $}x) {
+
+        $self->pointed_hint('package-installs-apt-sources', $item->pointer)
+          if $item->name
+          =~ m{^ etc/apt/sources[.]list (?: $ | [.]d / [^/]+ ) }x;
+    }
+
+    # /etc/apt/trusted.gpg
+    unless (
+        $self->processable->name=~ m{ (?: -apt-source | -archive-keyring ) $}x)
+    {
+
+        $self->pointed_hint('package-installs-apt-keyring', $item->pointer)
+          if $item->name=~ m{^ etc/apt/trusted[.]gpg (?: $ | [.]d / [^/]+ ) }x;
+    }
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et