#! /bin/sh

# Copyright (C) 2002 by Martin Pool <mbp@samba.org>

# This program is distributable under the terms of the GNU GPL (see
# COPYING).

# Test rsync handling of devices.  This can only run if you're root.

. "$suitedir/rsync.fns"

chkfile="$scratchdir/rsync.chk"
outfile="$scratchdir/rsync.out"

# Build some hardlinks

case `id -u` in
'') ;; # If "id" failed, try to continue...
0)  ;;
*)  if [ -f /usr/bin/fakeroot ]; then
	echo "Let's try re-running the script under fakeroot..."
	exec /usr/bin/fakeroot /bin/sh $RUNSHFLAGS "$0"
    fi
    test_skipped "Rsync won't copy devices unless we're root"
    ;;
esac

# TODO: Need to test whether hardlinks are possible on this OS/filesystem

mkdir "$fromdir"
mkdir "$todir"
mknod "$fromdir/char" c 41 67  || test_skipped "Can't create char device node unless root"
mknod "$fromdir/char2" c 42 68  || test_skipped "Can't create char device node unless root"
mknod "$fromdir/char3" c 42 69  || test_skipped "Can't create char device node unless root"
mknod "$fromdir/block" b 42 69 || test_skipped "Can't create block device node unless root"
mknod "$fromdir/block2" b 42 73 || test_skipped "Can't create block device node unless root"
mknod "$fromdir/block3" b 105 73 || test_skipped "Can't create block device node unless root"
ln "$fromdir/block3" "$fromdir/block2.5" || echo "Skipping hard-linked device test..."
mkfifo "$fromdir/fifo" || test_skipped "Can't run mkfifo"
touch -r "$fromdir/block" "$fromdir/block2"

$RSYNC -ai "$fromdir/block" "$todir/block2" \
    | tee "$outfile"
cat <<EOT >"$chkfile"
cD+++++++ block
EOT
diff $diffopt "$chkfile" "$outfile" || test_fail "test 1 failed"

$RSYNC -ai "$fromdir/block2" "$todir/block" \
    | tee "$outfile"
cat <<EOT >"$chkfile"
cD+++++++ block2
EOT
diff $diffopt "$chkfile" "$outfile" || test_fail "test 2 failed"

sleep 1

$RSYNC -Di "$fromdir/block3" "$todir/block" \
    | tee "$outfile"
cat <<EOT >"$chkfile"
cD..T.... block3
EOT
diff $diffopt "$chkfile" "$outfile" || test_fail "test 3 failed"

$RSYNC -aiHvv "$fromdir/" "$todir/" \
    | tee "$outfile"
filter_outfile
cat <<EOT >"$chkfile"
.d..t.... ./
cD..t.... block
cD....... block2
cD+++++++ block3
hD+++++++ block2.5 => block3
cD+++++++ char
cD+++++++ char2
cD+++++++ char3
cS+++++++ fifo
EOT
if test ! -b "$fromdir/block2.5"; then
    sed -e '/block2\.5/d' \
	<"$chkfile" >"$chkfile.new"
    mv "$chkfile.new" "$chkfile"
fi
diff $diffopt "$chkfile" "$outfile" || test_fail "test 4 failed"

echo "check how the directory listings compare with diff:"
echo ""
( cd "$fromdir" && rsync_ls_lR . ) > "$tmpdir/ls-from"
( cd "$todir" && rsync_ls_lR . ) > "$tmpdir/ls-to"
diff $diffopt "$tmpdir/ls-from" "$tmpdir/ls-to"

# The script would have aborted on error, so getting here means we've won.
exit 0