installer: Setup efivarfs when possible

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>

src/installer/dracut-module/module-setup.sh

@@ -23,6 +23,7 @@ install() {
 
     # Kernel drivers
     instmods =drivers/hid
+    instmods efivarfs
 
     # Network drivers
     instmods =drivers/net/ethernet =drivers/net/usb

src/installer/dracut-module/run-installer.sh

@@ -8,6 +8,11 @@ if grep -q "installer.unattended" /proc/cmdline; then
 	unattended=1
 fi
 
+# Mount efivarfs on EFI systems
+if [ -d "/sys/firmware/efi" ]; then
+	mount -t efivarfs efivarfs /sys/firmware/efi/efivars
+fi
+
 # Enable Unicode
 echo -en '\033%G' && kbd_mode -u