blob: 1ca88bee9934b2a7402f100dab049efa65740dbc [file] [log] [blame]
#!/bin/sh -eux
case "$PACKER_BUILDER_TYPE" in
qemu) exit 0 ;;
esac
set +e
swapuuid="`/sbin/blkid -o value -l -s UUID -t TYPE=swap`";
case "$?" in
2|0) ;;
*) exit 1 ;;
esac
set -e
if [ "x${swapuuid}" != "x" ]; then
# Whiteout the swap partition to reduce box size
# Swap is disabled till reboot
swappart="`readlink -f /dev/disk/by-uuid/$swapuuid`";
/sbin/swapoff "$swappart";
dd if=/dev/zero of="$swappart" bs=1M || echo "dd exit code $? is suppressed";
/sbin/mkswap -U "$swapuuid" "$swappart";
fi
dd if=/dev/zero of=/EMPTY bs=1M || echo "dd exit code $? is suppressed";
rm -f /EMPTY;
# Block until the empty file has been removed, otherwise, Packer
# will try to kill the box while the disk is still full and that's bad
sync;