#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
#
# FS QA Test No. 040
#
# compare-libxfs test
#
# The purpose of this test is only to nag the maintainer of xfsprogs to try to
# keep xfsprogs's libxfs files in sync with the latest kernel's libxfs. There
# is no functional need for anyone to actually run this test to confirm
# proper XFS functionalilty, this is an xfsprogs maintainer test.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

[ -z "$KWORKAREA" ] && \
	_notrun "Can't run libxfs-diff without KWORKAREA set"
[ -d "$KWORKAREA/fs/xfs" ] || \
	_notrun "Can't find XFS source under \"$KWORKAREA\""

[ -z "$WORKAREA" ] && \
	_notrun "Can't run libxfs-diff without WORKAREA set"
[ -f "$WORKAREA/tools/libxfs-diff" ] || \
	_notrun "Can't find libxfs-diff tool under \"$WORKAREA\""

filter_libxfs_diff() {
	sed -e 's/^--- libxfs/--- xfsprogs\/libxfs/g' \
	    -e 's/^+++ .*libxfs/+++ kernel\/libxfs/g' \
	    -e 's/^@@.*$/@@ -XXXX,X +YYYY,Y @@/g'
}

# Compare the two libxfses
(cd "$WORKAREA" ; ./tools/libxfs-diff "$KWORKAREA/fs/xfs/libxfs") | filter_libxfs_diff | tee -a $seqres.full

# success, all done
status=0
exit