1 files changed, 62 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Fields/TerminalControl.pm b/lib/Lintian/Check/Fields/TerminalControl.pm
new file mode 100644
index 0000000..0d2b02b
--- /dev/null
+++ b/lib/Lintian/Check/Fields/TerminalControl.pm
@@ -0,0 +1,62 @@
+# fields/terminal-control -- lintian check script -*- perl -*-
+#
+# Copyright (C) 2020 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::Fields::TerminalControl;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+const my $ESCAPE => qq{\033};
+
+sub always {
+    my ($self) = @_;
+
+    my @names = $self->processable->fields->names;
+
+    # fields that contain ESC characters
+    my @escaped
+      = grep { index($self->processable->fields->value($_), $ESCAPE) >= 0 }
+      @names;
+
+    $self->hint('ansi-escape', $_, $self->processable->fields->value($_))
+      for @escaped;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et