set -o errexit
main() {
make-new-disk "/tmp/test-disk1.img" "/media/test-disk1" /sbin/mkfs.ext2
make-new-disk "/tmp/test-disk2.img" "/media/test-disk2" /sbin/mkfs.ext2
}
make-new-disk() {
local device_image="$1"
local mount_point="$2"
local mkfs_command="$3"
umount "$mount_point" || true
rm -fv "$device_image"
dd if=/dev/zero of="$device_image" bs=$((1024*1024)) count=1
"$mkfs_command" -F "$device_image"
sudo mkdir --parents "$mount_point"
sudo mount -t ext2 "$device_image" "$mount_point" -o loop
sudo chmod a+rwx "$mount_point"
echo "test-volume mounted as '$mount_point'"
}
main