comma separate list entries for grub-pc/install_devices

diff --git a/proxinstall b/proxinstall
index 0ee45ce1276e3f4da9d735824525af878ba2b974..4763af43cc469928c8754629ac45ddf61d1da96e 100755 (executable)
--- a/proxinstall
+++ b/proxinstall
@@ -1077,9 +1077,10 @@ sub extract_data {
 
        syscmd ("touch  $targetdir/proxmox_install_mode");
 
-       my $grub_install_devices_txt;
+       my $grub_install_devices_txt = '';
        foreach my $di (@$bootdevinfo) {
-           $grub_install_devices_txt .= " $di->{by_id}" if $di->{by_id};
+           $grub_install_devices_txt .= ', ' if $grub_install_devices_txt;
+           $grub_install_devices_txt .= $di->{by_id} if $di->{by_id};
        }
 
        debconfig_set ($targetdir, <<_EOD);