initial commit

pi/umount_sysroot.sh

@@ -0,0 +1,10 @@
+#! /bin/bash
+set -e
+x=$(ls /dev | grep loop9p2 | wc -l)
+if [ $x -ne 0 ]
+then
+	echo "delete loop"
+	sudo umount ./raspbian || true
+	sudo losetup -d /dev/loop9 || true
+fi
+rm -rf ./tmp ./raspbian || true