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# File 'manifests/pin.pp', line 4
define apt::pin(
$ensure = present,
$explanation = undef,
$order = undef,
$packages = '*',
$priority = 0,
$release = '', # a=
$origin = '',
$version = '',
$codename = '', # n=
$release_version = '', # v=
$component = '', # c=
$originator = '', # o=
$label = '' # l=
) {
if $order and !is_integer($order) {
fail('Only integers are allowed in the apt::pin order param')
}
if $explanation {
$_explanation = $explanation
} else {
if defined('$caller_module_name') { # strict vars check
$_explanation = "${caller_module_name}: ${name}"
} else {
$_explanation = ": ${name}"
}
}
$pin_release_array = [
$release,
$codename,
$release_version,
$component,
$originator,
$label]
$pin_release = join($pin_release_array, '')
# Read the manpage 'apt_preferences(5)', especially the chapter
# 'The Effect of APT Preferences' to understand the following logic
# and the difference between specific and general form
if is_array($packages) {
$packages_string = join($packages, ' ')
} else {
$packages_string = $packages
}
if $packages_string != '*' { # specific form
if ( $pin_release != '' and ( $origin != '' or $version != '' )) or
( $version != '' and ( $pin_release != '' or $origin != '' )) {
fail('parameters release, origin, and version are mutually exclusive')
}
} else { # general form
if $version != '' {
fail('parameter version cannot be used in general form')
}
if ( $pin_release != '' and $origin != '' ) {
fail('parameters release and origin are mutually exclusive')
}
}
# 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'),
notify_update => false,
}
}
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