2 # pin a release in apt, useful for unstable repositories
6 $explanation = "${caller_module_name}: ${name}",
14 $release_version = '', # v=
16 $originator = '', # o=
22 $preferences_d = $apt::params::preferences_d
24 if $order != '' and !is_integer($order) {
25 fail('Only integers are allowed in the apt::pin order param')
28 $pin_release_array = [
35 $pin_release = join($pin_release_array, '')
37 # Read the manpage 'apt_preferences(5)', especially the chapter
38 # 'Thea Effect of APT Preferences' to understand the following logic
39 # and the difference between specific and general form
40 if is_array($packages) {
41 $packages_string = join($packages, ' ')
43 $packages_string = $packages
46 if $packages_string != '*' { # specific form
48 if ( $pin_release != '' and ( $origin != '' or $version != '' )) or
49 ( $origin != '' and ( $pin_release != '' or $version != '' )) or
50 ( $version != '' and ( $pin_release != '' or $origin != '' )) {
51 fail('parameters release, origin, and version are mutually exclusive')
54 } else { # general form
57 fail('parameter version cannot be used in general form')
60 if ( $pin_release != '' and $origin != '' ) or
61 ( $origin != '' and $pin_release != '' ) {
62 fail('parmeters release and origin are mutually exclusive')
68 '' => "${preferences_d}/${name}.pref",
69 default => "${preferences_d}/${order}-${name}.pref",
72 # According to man 5 apt_preferences:
73 # The files have either no or "pref" as filename extension
74 # and only contain alphanumeric, hyphen (-), underscore (_) and period
75 # (.) characters. Otherwise APT will print a notice that it has ignored a
76 # file, unless that file matches a pattern in the
77 # Dir::Ignore-Files-Silently configuration list - in which case it will
78 # be silently ignored.
79 $file_name = regsubst($title, '[^0-9a-z\-_\.]', '_', 'IG')
81 file { "${file_name}.pref":
87 content => template('apt/pin.pref.erb'),