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Diffstat (limited to 'lib/Lintian/Check/Shell/Csh.pm')
-rw-r--r-- | lib/Lintian/Check/Shell/Csh.pm | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Shell/Csh.pm b/lib/Lintian/Check/Shell/Csh.pm new file mode 100644 index 0000000..f84d374 --- /dev/null +++ b/lib/Lintian/Check/Shell/Csh.pm @@ -0,0 +1,89 @@ +# shell/csh -- lintian check script -*- perl -*- +# +# Copyright (C) 1998 Richard Braakman +# Copyright (C) 2002 Josip Rodin +# Copyright (C) 2016-2019 Chris Lamb <lamby@debian.org> +# 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::Shell::Csh; + +use v5.20; +use warnings; +use utf8; + +use File::Basename; + +use Moo; +use namespace::clean; + +with 'Lintian::Check'; + +sub visit_installed_files { + my ($self, $item) = @_; + + # Consider /usr/src/ scripts as "documentation" + # - packages containing /usr/src/ tend to be "-source" .debs + # and usually come with overrides + # no checks necessary at all for scripts in /usr/share/doc/ + # unless they are examples + return + if ($item->name =~ m{^usr/share/doc/} || $item->name =~ m{^usr/src/}) + && $item->name !~ m{^usr/share/doc/[^/]+/examples/}; + + $self->pointed_hint('csh-considered-harmful', $item->pointer(1), + $item->interpreter) + if $self->is_csh_script($item) + && $item->name !~ m{^ etc/csh/login[.]d/ }x; + + return; +} + +sub visit_control_files { + my ($self, $item) = @_; + + # perhaps we should warn about *csh even if they're somehow screwed, + # but that's not really important... + $self->pointed_hint('csh-considered-harmful', $item->pointer(1), + $item->interpreter) + if $self->is_csh_script($item); + + return; +} + +sub is_csh_script { + my ($self, $item) = @_; + + return 0 + unless length $item->interpreter; + + my $basename = basename($item->interpreter); + + return 1 + if $basename eq 'csh' || $basename eq 'tcsh'; + + return 0; +} + +1; + +# Local Variables: +# indent-tabs-mode: nil +# cperl-indent-level: 4 +# End: +# vim: syntax=perl sw=4 sts=4 sr et |