Set lightdm greeter

aif

@@ -162,7 +162,19 @@ select_language() {
     [[ $FONT != "" ]] && setfont $FONT
 }
 
-
+set_lightdm_greeter(){
+    local greeters=$(ls /mnt/usr/share/xgreeters/*greeter.desktop) name
+    for g in ${greeters[@]};do
+            name=${g##*/}
+            name=${name%%.*}
+            case ${name} in
+                  lightdm-gtk-greeter) break ;;
+                  lightdm-*-greeter)
+                          sed -i -e "s/^.*greeter-session=.*/greeter-session=${name}/" /mnt/etc/lightdm/lightdm.conf
+                  ;;
+            esac
+    done
+}
 
 # Check user is root, and that there is an active internet connection
 # Seperated the checks into seperate "if" statements for readability.
@@ -2309,7 +2321,8 @@ install_manjaro_de_wm() {
             sed -i "s/$(grep "DISPLAYMANAGER=" /mnt/etc/conf.d/xdm)/DISPLAYMANAGER=\"sddm\"/g" /mnt/etc/conf.d/xdm
             arch_chroot "rc-update add xdm default" 2>/tmp/.errlog
             check_for_error
-      elif [[ "$(cat /tmp/.display-manager)" == sddm ]]; then
+      elif [[ "$(cat /tmp/.display-manager)" == lightdm ]]; then
+            set_lightdm_greeter
             sed -i "s/$(grep "DISPLAYMANAGER=" /mnt/etc/conf.d/xdm)/DISPLAYMANAGER=\"lightdm\"/g" /mnt/etc/conf.d/xdm
             arch_chroot "rc-update add xdm default" 2>/tmp/.errlog
             check_for_error
@@ -2328,6 +2341,7 @@ install_manjaro_de_wm() {
       check_for_error
       # enable display manager for systemd
       if [[ "$(cat /tmp/.display-manager)" == lightdm ]]; then
+          set_lightdm_greeter
           arch_chroot "systemctl enable lightdm" 2>/tmp/.errlog
           check_for_error
       elif [[ "$(cat /tmp/.display-manager)" == sddm ]]; then