add and use install_any::method_allows_medium_change

1 files changed, 5 insertions, 1 deletions

diff --git a/perl-install/install_any.pm b/perl-install/install_any.pm
index e37a26df9..300913446 100644
--- a/perl-install/install_any.pm
+++ b/perl-install/install_any.pm
@@ -42,7 +42,7 @@ my %iso_images;
 sub useMedium($) {
     #- before ejecting the first CD, there are some files to copy!
     #- does nothing if the function has already been called.
-    $_[0] > 1 and $::o->{method} =~ /(^cdrom|-iso)$/ and setup_postinstall_rpms($::prefix, $::o->{packages});
+    $_[0] > 1 and method_allows_medium_change($::o->{method}) and setup_postinstall_rpms($::prefix, $::o->{packages});
 
     $asked_medium eq $_[0] or log::l("selecting new medium '$_[0]'");
     $asked_medium = $_[0];
@@ -69,6 +69,10 @@ sub askChangeMedium($$) {
     log::l($allow ? "accepting medium $medium" : "refusing medium $medium");
     $allow;
 }
+sub method_allows_medium_change($) {
+    my ($method) = @_;
+    $method eq "cdrom" || $method eq "disk-iso";
+}
 
 sub look_for_ISOs() {
     $iso_images{media} = [];