From 75808db17caf8b960b351e3408e74142f4c85aac Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 14 Apr 2024 15:42:30 +0200
Subject: Adding upstream version 2.117.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/Lintian/Check/MaintainerScripts/Mknod.pm | 131 +++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 lib/Lintian/Check/MaintainerScripts/Mknod.pm

(limited to 'lib/Lintian/Check/MaintainerScripts/Mknod.pm')

diff --git a/lib/Lintian/Check/MaintainerScripts/Mknod.pm b/lib/Lintian/Check/MaintainerScripts/Mknod.pm
new file mode 100644
index 0000000..e7269ea
--- /dev/null
+++ b/lib/Lintian/Check/MaintainerScripts/Mknod.pm
@@ -0,0 +1,131 @@
+# maintainer-scripts/mknod -- 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::MaintainerScripts::Mknod;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+use Unicode::UTF8 qw(encode_utf8);
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+const my $EMPTY => q{};
+
+sub visit_control_files {
+    my ($self, $item) = @_;
+
+    return
+      unless $item->is_maintainer_script;
+
+    return
+      unless length $item->interpreter;
+
+    return
+      unless $item->is_open_ok;
+
+    open(my $fd, '<', $item->unpacked_path)
+      or die encode_utf8('Cannot open ' . $item->unpacked_path);
+
+    my $stashed = $EMPTY;
+
+    my $position = 1;
+    while (my $possible_continuation = <$fd>) {
+
+        my $pointer = $item->pointer($position);
+
+        chomp $possible_continuation;
+
+        # skip empty lines
+        next
+          if $possible_continuation =~ /^\s*$/;
+
+        # skip comment lines
+        next
+          if $possible_continuation =~ /^\s*\#/;
+
+        my $no_comment = remove_comments($possible_continuation);
+
+        # Concatenate lines containing continuation character (\)
+        # at the end
+        if ($no_comment =~ s{\\$}{}) {
+
+            $stashed .= $no_comment;
+
+            next;
+        }
+
+        my $line = $stashed . $no_comment;
+        $stashed = $EMPTY;
+
+        $self->pointed_hint('mknod-in-maintainer-script', $pointer)
+          if $line =~ /^\s*mknod(?:\s|\z)/ && $line !~ /\sp\s/;
+
+    } continue {
+        ++$position;
+    }
+
+    close $fd;
+
+    return;
+}
+
+sub remove_comments {
+    my ($line) = @_;
+
+    return $line
+      unless length $line;
+
+    my $simplified = $line;
+
+    # Remove quoted strings so we can more easily ignore comments
+    # inside them
+    $simplified =~ s/(^|[^\\](?:\\\\)*)\'(?:\\.|[^\\\'])+\'/$1''/g;
+    $simplified =~ s/(^|[^\\](?:\\\\)*)\"(?:\\.|[^\\\"])+\"/$1""/g;
+
+    # If the remaining string contains what looks like a comment,
+    # eat it. In either case, swap the unmodified script line
+    # back in for processing (if required) and return it.
+    if ($simplified =~ m/(?:^|[^[\\])[\s\&;\(\)](\#.*$)/) {
+
+        my $comment = $1;
+
+        # eat comment
+        $line =~ s/\Q$comment\E//;
+    }
+
+    return $line;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et
-- 
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