grub-configmake/payload/usr/bin/grub-configmake

@@ -1,10 +1,23 @@
-#!/bin/sh
+#!/bin/sh 
 echo -ne 'Running grub-configmake'
-read -p "What is the install root you are using?" install_root
-mkdir -p ${install_root}/boot/grub | echo "You probably didn't make /boot" && exit 2 
-read -p "What drive do you want to set root to? (Only <number> otherwise it won't work.)" grub_root
-read -p "Init binary (full path only)" init_path
-cat > ${install_root}/boot/grub/grub.cfg << "EOF" 
+if [ -z "${init_path}" ]
+if [ -z "${grub_root} "]
+	read -p "What is the install root you are using?" install_root
+	mkdir -p ${install_root}/boot/grub | echo "You probably didn't make /boot" && exit 2 
+	read -p "What drive do you want to set root to? (Only <number> otherwise it won't work.)" grub_root
+	read -p "Init binary (full path only)" init_path
+	cat > ${install_root}/etc/grub-defaults.cfg << "EOF"
+	install_root=${install_root}
+	init_path=${init_path}
+	grub_root=${grub_root}
+EOF
+else
+else
+	read -p "What is the install root you are using?" install_root
+	. ${install_root}/etc/grub-defaults.cfg
+fi
+fi
+cat > ${install_root}/boot/grub/grub.cfg << "EOF"
 set default=0
 set timeout=5
 
@@ -15,5 +28,5 @@ menuentry "Alnux+Busybox/Linux" {
         linux   /boot/bzImage root=/dev/sda${grub_root} rw init=${init path} rw
 }
 EOF
-echo "grub-configmake made it's job" 
+echo "grub-configmake made the config . . ." 
 exit 0