#!/bin/bash -

export LANG=C
set -e

# Engage in some montecarlo testing of virt-make-fs.
case $((RANDOM % 4)) in
    0) type="--type=ext2" ;;
    1) type="--type=ext3" ;;
    2) type="--type=ext4" ;;
    3) type="--type=ntfs" ;;
    # Can't test vfat because we cannot create a tar archive
    # where files are owned by UID:GID 0:0.  As a result, tar
    # in the appliance fails when trying to change the UID of
    # the files to some non-zero value (not supported by FAT).
    # 4) type="--type=vfat" ;;
esac

case $((RANDOM % 2)) in
    0) format="--format=raw" ;;
    1) format="--format=qcow2" ;;
esac

case $((RANDOM % 3)) in
    0) partition="--partition" ;;
    1) partition="--partition=gpt" ;;
    2) ;;
esac

case $((RANDOM % 2)) in
    0) ;;
    1) size="--size=+1M" ;;
esac

if [ -n "$LIBGUESTFS_DEBUG" ]; then debug=--debug; fi

params="$type $format $partition $size $debug"
echo "test-virt-make-fs: parameters: $params"

rm -f test.file test.tar output.img

tarsize=$((RANDOM & 8191))
echo "test-virt-make-fs: size of test file: $tarsize KB"
dd if=/dev/zero of=test.file bs=1024 count=$tarsize
tar -c -f test.tar test.file
rm test.file

./virt-make-fs $params -- test.tar output.img

rm test.tar output.img