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# Only ffs supports whiteouts on FreeBSD
command -v mdconfig &>/dev/null || skip
command -v newfs &>/dev/null || skip
clean_scratch
# Create a ramdisk
truncate -s1M scratch/img
md=$(bfs_sudo mdconfig scratch/img) || skip
defer bfs_sudo mdconfig -du "$md"
# Make an ffs filesystem
bfs_sudo newfs -n "/dev/$md" >&2 || skip
mkdir scratch/mnt
# Mount it
bfs_sudo mount "/dev/$md" scratch/mnt || skip
defer bfs_sudo umount scratch/mnt
# Make it owned by us
bfs_sudo chown "$(id -u):$(id -g)" scratch/mnt
"$XTOUCH" -p scratch/mnt/{lower/{foo,bar,baz},upper/{bar,baz/qux}}
# Mount a union filesystem within it
bfs_sudo mount -t unionfs -o below scratch/mnt/{lower,upper}
defer bfs_sudo umount scratch/mnt/upper
# Create a whiteout
rm scratch/mnt/upper/bar
# FreeBSD find doesn't have -printf, so munge -ls output
munge_ls() {
sed -En 's|.*([-drwx]{10}).*(scratch/.*)|'"$1"': \1 \2|p'
}
# Do a few tests in one
{
# Normally, we shouldn't see the whiteouts
invoke_bfs scratch/mnt -ls | munge_ls 1
# -type w adds whiteouts to the output
invoke_bfs scratch/mnt -type w -ls | munge_ls 2
# So this is not the same as test 1
invoke_bfs scratch/mnt \( -type w -or -not -type w \) -ls | munge_ls 3
# Unmount the unionfs
pop_defer
# Now repeat the same tests
invoke_bfs scratch/mnt -ls | munge_ls 4
invoke_bfs scratch/mnt -type w -ls | munge_ls 5
invoke_bfs scratch/mnt \( -type w -or -not -type w \) -ls | munge_ls 6
} >"$OUT"
sort_output
diff_output
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