BuildSystem: Add missing bootloader install script

script/install-bootloader.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+
+set -e
+
+if [[ -z $BANAN_DISK_IMAGE_PATH ]]; then
+	echo "You must set the BANAN_DISK_IMAGE_PATH environment variable" >&2
+	exit 1
+fi
+
+if [[ -z $BANAN_BUILD_DIR ]]; then
+	echo "You must set the BANAN_BUILD_DIR environment variable" >&2
+	exit 1
+fi
+
+if [[ -z $BANAN_ROOT_DIR ]]; then
+	echo "You must set the BANAN_ROOT_DIR environment variable" >&2
+	exit 1
+fi	
+
+ROOT_PARTITION_INDEX=2
+ROOT_PARTITION_INFO=$(fdisk -x $BANAN_DISK_IMAGE_PATH | grep "^$BANAN_DISK_IMAGE_PATH" | head -$ROOT_PARTITION_INDEX | tail -1)
+ROOT_PARTITION_GUID=$(echo $ROOT_PARTITION_INFO | cut -d' ' -f6)
+
+INSTALLER_BUILD_DIR=$BANAN_ROOT_DIR/bootloader/installer/build
+BOOTLOADER_ELF=$BANAN_BUILD_DIR/bootloader/bios/bootloader
+
+if ! [ -f $BOOTLOADER_ELF ]; then
+	echo "You must build the bootloader first" >&2
+	exit 1
+fi
+
+if ! [ -d $INSTALLER_BUILD_DIR ]; then
+	mkdir -p $INSTALLER_BUILD_DIR
+	cd $INSTALLER_BUILD_DIR
+	cmake ..
+fi
+
+cd $INSTALLER_BUILD_DIR
+make
+
+echo installing bootloader
+$INSTALLER_BUILD_DIR/x86_64-banan_os-bootloader-installer $BOOTLOADER_ELF $BANAN_DISK_IMAGE_PATH $ROOT_PARTITION_GUID