1 files changed, 72 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Languages/Ruby.pm b/lib/Lintian/Check/Languages/Ruby.pm
new file mode 100644
index 0000000..563f740
--- /dev/null
+++ b/lib/Lintian/Check/Languages/Ruby.pm
@@ -0,0 +1,72 @@
+# languages/ruby -- lintian check script (rewrite) -*- perl -*-
+#
+# Copyright (C) 2021 Felix Lechner
+#
+# Parts of the code were taken from the old check script, which
+# was Copyright (C) 1998 Richard Braakman (also licensed under the
+# GPL 2 or higher)
+#
+# 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::Languages::Ruby;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+sub source {
+    my ($self) = @_;
+
+    my $fields = $self->processable->fields;
+    if ($fields->declares('Homepage')) {
+
+        my $homepage = $fields->value('Homepage');
+
+        # rubygems itself is okay; see Bug#981935
+        $self->hint('rubygem-homepage', $homepage)
+          if $homepage
+          =~ m{^http s? :// (?:www [.])? rubygems [.] org/gems/}isx;
+    }
+
+    return;
+}
+
+sub binary {
+    my ($self) = @_;
+
+    my @prerequisites
+      = $self->processable->fields->trimmed_list('Depends', qr/,/);
+
+    my @ruby_interpreter = grep { / \b ruby-interpreter \b /x } @prerequisites;
+
+    $self->hint('ruby-interpreter-is-deprecated', $_)for @ruby_interpreter;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et