#! /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

    # If we can't test the real device code, try to test --fake-super instead
    $RSYNC --version | grep ", xattrs" >/dev/null || test_skipped "Rsync needs root/fakeroot/--fake-super for device tests"
    RSYNC="$RSYNC --fake-super"
    export RSYNC_FAKE_SUPER=1
    case "`xattr 2>&1`" in
    *--list:*)
	mknod() {
	    fn="$1"
	    case "$2" in
	    p) mode=10644 ;;
	    c) mode=20644 ;;
	    b) mode=60644 ;;
	    esac
	    maj="${3:-0}"
	    min="${4:-0}"
	    touch "$fn"
	    xattr -s 'rsync.%stat' "$mode $maj,$min 0:0" "$fn"
	}
	;;
    *)
	mknod() {
	    fn="$1"
	    case "$2" in
	    p) mode=10644 ;;
	    c) mode=20644 ;;
	    b) mode=60644 ;;
	    esac
	    maj="${3:-0}"
	    min="${4:-0}"
	    touch "$fn"
	    setfattr -n 'user.rsync.%stat' -v "$mode $maj,$min 0:0" "$fn"
	}
	;;
    esac
    ;;
esac

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

mkdir "$fromdir"
mkdir "$todir"
mknod "$fromdir/char" c 41 67  || test_skipped "Can't create char device node"
mknod "$fromdir/char2" c 42 68  || test_skipped "Can't create char device node"
mknod "$fromdir/char3" c 42 69  || test_skipped "Can't create char device node"
mknod "$fromdir/block" b 42 69 || test_skipped "Can't create block device node"
mknod "$fromdir/block2" b 42 73 || test_skipped "Can't create block device node"
mknod "$fromdir/block3" b 105 73 || test_skipped "Can't create block device node"
ln "$fromdir/block3" "$fromdir/block2.5" || echo "Skipping hard-linked device test..."
mkfifo "$fromdir/fifo" || mknod "$fromdir/fifo" p || 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 >"$chkfile"
.d..t...... ./
cD..t...... block
cD          block2
cD+++++++++ block3
hD+++++++++ block2.5 => block3
cD+++++++++ char
cD+++++++++ char2
cD+++++++++ char3
cS+++++++++ fifo
EOT
if test ! -r "$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"

if test -b "$fromdir/block2.5"; then
    set -x
    $RSYNC -aii --link-dest="$todir" "$fromdir/" "$chkdir/" \
	| tee "$outfile"
    cat <<EOT >"$chkfile"
cd          ./
hD          block
hD          block2
hD          block2.5
hD          block3
hD          char
hD          char2
hD          char3
hS          fifo
EOT
    diff $diffopt "$chkfile" "$outfile" || test_fail "test 4 failed"
fi

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