Updated readme

README.md

@@ -1,14 +1,29 @@
 #TODO
 
-1. Image export
-1. NOOBS export
-1. Simplify running a single stage
-1. Documentation
+- NOOBS export
+- Simplify running a single stage
+- Documentation
 
 #Dependencies
-
 `quilt kpartx realpath qemu-user-static debootstrap zerofree`
 
-# Example usage to build a bootable raspbian lite image:
-sudo ./build.sh
-sudo ./create-image.sh --path=./work/2016-05-02-raspbian/stage3 --name="raspbian-lite"
+# Example build script:
+
+```bash
+#!/bin/bash -e
+
+# Set build variables
+USERNAME=pi
+PASSWORD=raspberry
+HOSTNAME=raspberrypi
+IMAGENAME="raspbian-lite-$(date +%Y-%m-%d)"
+STAGE=2
+
+# Build rootfs
+sudo ./build.sh --username=${USERNAME} --password=${PASSWORD} --hostname=${HOSTNAME} --imagename=${IMAGENAME}
+
+# Create .img
+sudo ./create-image.sh --imagename=${IMAGENAME} --stage=${STAGE}
+
+# Resulting image will be at images/${IMAGENAME}
+```