if $packages_string != '*' { # specific form
if ( $pin_release != '' and ( $origin != '' or $version != '' )) or
( $version != '' and ( $pin_release != '' or $origin != '' )) {
if $packages_string != '*' { # specific form
if ( $pin_release != '' and ( $origin != '' or $version != '' )) or
( $version != '' and ( $pin_release != '' or $origin != '' )) {