improve plymouth handling

lib/util-iso-image.sh

@@ -40,8 +40,16 @@ umount_img() {
     fi
 }
 
+has_plymouth(){
+    If $(which plymouth);then
+        return 0
+    else
+        return 1
+    fi
+}
+
 configure_plymouth(){
-    if ${plymouth_boot};then
+    if $(has_plymouth);then
         msg2 "Configuring plymouth: %s" "${plymouth_theme}"
         local conf=$1/etc/plymouth/plymouthd.conf
         sed -i -e "s/^.*Theme=.*/Theme=${plymouth_theme}/" "${conf}"

lib/util.sh

@@ -479,12 +479,10 @@ reset_profile(){
     unset autologin
     unset multilib
     unset pxe_boot
-    unset plymouth_boot
     unset nonfree_mhwd
     unset efi_boot_loader
     unset hostname
     unset username
-    unset plymouth_theme
     unset password
     unset addgroups
     unset enable_systemd
@@ -502,6 +500,8 @@ reset_profile(){
     unset chrootcfg
     unset netgroups
     unset geoip
+    unset plymouth_boot
+    unset plymouth_theme
 }
 
 check_profile(){
@@ -605,6 +605,13 @@ load_pkgs(){
         ;;
     esac
 
+    local _plymouth _plymouth_rm
+    if ${plymouth_boot};then
+        _plymouth="s|>plymouth||g"
+    else
+        _plymouth_rm="s|>plymouth.*||g"
+    fi
+
     local _edition _edition_rm
     case "${edition}" in
         'sonar')
@@ -642,6 +649,8 @@ load_pkgs(){
             | sed "$_kernel" \
             | sed "$_edition" \
             | sed "$_edition_rm" \
+            | sed "$_plymouth" \
+            | sed "$_plymouth_rm" \
             | sed "$_clean")
 
     if [[ $1 == "${packages_mhwd}" ]]; then