#!/bin/sh # simple test which creates a dummy file system image, then use bmaptool create # and bmaptool copy to copy it to another file set -xeu # create the necessary test files dd if=/dev/zero of=disk.img bs=2M count=1 mkfs.ext4 disk.img fallocate -d disk.img dd if=/dev/zero of=copy.img bs=2M count=1 # do a test copy of the file system image bmaptool create -o disk.img.bmap disk.img bmaptool copy disk.img copy.img cmp disk.img copy.img