1 files changed, 83 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Files/Generated.pm b/lib/Lintian/Check/Files/Generated.pm
new file mode 100644
index 0000000..35c88d5
--- /dev/null
+++ b/lib/Lintian/Check/Files/Generated.pm
@@ -0,0 +1,83 @@
+# files/generated -- lintian check script -*- perl -*-
+
+# 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::Files::Generated;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+use Unicode::UTF8 qw(encode_utf8);
+
+use Moo;
+use namespace::clean;
+
+const my $DOUBLE_QUOTE => q{"};
+
+with 'Lintian::Check';
+
+sub visit_patched_files {
+    my ($self, $item) = @_;
+
+    # check all patched source files except the Debian patches
+    return
+      if $item->name =~ m{^ debian/patches/ }x;
+
+    return
+      unless $item->is_open_ok;
+
+    open(my $fd, '<', $item->unpacked_path)
+      or die encode_utf8('Cannot open ' . $item->unpacked_path);
+
+    my $position = 1;
+    while (my $line = <$fd>) {
+
+        if ($line
+            =~m{ ( This [ ] file [ ] (?: is | was ) [ ] autogenerated ) }xi
+            || $line
+            =~ m{ ( DO [ ] NOT [ ] EDIT [ ] (?: THIS [ ] FILE [ ] )? BY [ ] HAND ) }xi
+        ) {
+
+            my $marker = $1;
+
+            $self->pointed_hint(
+                'generated-file',
+                $item->pointer($position),
+                $DOUBLE_QUOTE . $marker . $DOUBLE_QUOTE
+            );
+        }
+
+    } continue {
+        ++$position;
+    }
+
+    close $fd;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et