- $path = $order ? {
- '' => "${preferences_d}/${name}.pref",
- default => "${preferences_d}/${order}-${name}.pref",
- }
- file { "${name}.pref":
- ensure => $ensure,
- path => $path,
- owner => root,
- group => root,
- mode => '0644',
- content => template('apt/pin.pref.erb'),
+ # According to man 5 apt_preferences:
+ # The files have either no or "pref" as filename extension
+ # and only contain alphanumeric, hyphen (-), underscore (_) and period
+ # (.) characters. Otherwise APT will print a notice that it has ignored a
+ # file, unless that file matches a pattern in the
+ # Dir::Ignore-Files-Silently configuration list - in which case it will
+ # be silently ignored.
+ $file_name = regsubst($title, '[^0-9a-z\-_\.]', '_', 'IG')
+
+ apt::setting { "pref-${file_name}":
+ ensure => $ensure,
+ priority => $order,
+ content => template('apt/_header.erb', 'apt/pin.pref.erb'),