1 files changed, 93 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Archive/File/Name/Length.pm b/lib/Lintian/Check/Archive/File/Name/Length.pm
new file mode 100644
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--- /dev/null
+++ b/lib/Lintian/Check/Archive/File/Name/Length.pm
@@ -0,0 +1,93 @@
+# archive/file/name/length -- lintian check script -*- perl -*-
+
+# Copyright (C) 2011 Niels Thykier <niels@thykier.net>
+# 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::Archive::File::Name::Length;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+use File::Basename;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+const my $SPACE => q{ };
+
+const my $FILENAME_LENGTH_LIMIT => 80;
+
+# We could derive this from data/fields/architectures, but that
+# contains things like kopensolaris-sparc64 and kfreebsd-sparc64,
+# neither of which Debian officially supports.
+const my $LONGEST_ARCHITECTURE => length 'kfreebsd-amd64';
+
+sub always {
+    my ($self) = @_;
+
+    # Skip auto-generated packages (dbgsym)
+    return
+      if $self->processable->fields->declares('Auto-Built-Package');
+
+    my $basename = basename($self->processable->path);
+    # remove salsaci suffix
+    my $nosalsabasename = $basename;
+    $nosalsabasename
+      =~ s/[+]salsaci[+]\d+[+]\d+(_[[:alnum:]]+\.[[:alnum:]]+)$/$1/;
+
+    my $adjusted_length
+      = length($nosalsabasename)
+      - length($self->processable->architecture)
+      + $LONGEST_ARCHITECTURE;
+
+    $self->hint('package-has-long-file-name', $basename)
+      if $adjusted_length > $FILENAME_LENGTH_LIMIT;
+
+    return;
+}
+
+sub source {
+    my ($self) = @_;
+
+    my @lines = $self->processable->fields->trimmed_list('Files', qr/\n/);
+
+    for my $line (@lines) {
+
+        my (undef, undef, $name) = split($SPACE, $line);
+        next
+          unless length $name;
+
+        $self->hint('source-package-component-has-long-file-name', $name)
+          if length $name > $FILENAME_LENGTH_LIMIT;
+    }
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et