#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2011 SGI.  All Rights Reserved.
#
# FS QA Test No. 266
#
# Test incremental dumps with -D (skip unchanged dirs)
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	_cleanup_dump
	cd /
	rm -f $tmp.*
}

#
# Add a new file and append a subset of the fill'ed files
# So we can see if just these get dumped on an incremental
#
_add_and_append_dumpdir_fill()
{
    cd $dump_dir
    echo 'New file' >> newfile
    _append_dumpdir_fill
}

# Quota files are stored as special files in the dumpdir of the incremental
# backup.  This throws off the directory/file count reported because xfsrestore
# includes the dumpdir in the restore summary counts.
filter_cumulative_quota_updates() {
    $here/src/feature -U $SCRATCH_DEV && quota=1
    $here/src/feature -G $SCRATCH_DEV && quota=1
    $here/src/feature -P $SCRATCH_DEV && quota=1

    $AWK_PROG -v quota=$quota '
	/entries processed/ {
		if (quota) {$2--; $5--;}
	}
	{print}'
}

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

# real QA test starts here
_supported_fs xfs

$XFSDUMP_PROG -h 2>&1 | grep -q -e -D
if [ $? -ne 0 ]; then
    _notrun "requires xfsdump -D"
fi

_create_dumpdir_fill
# ensure file/dir timestamps precede dump timestamp
sleep 2
_do_dump_file -f $tmp.df.0
_add_and_append_dumpdir_fill
_do_dump_file -f $tmp.df.1 -l 1 -D
_prepare_restore_dir
_do_restore_file_cum -f $tmp.df.0
_do_restore_file_cum -f $tmp.df.1 | filter_cumulative_quota_updates
_ls_compare_sub
_diff_compare

# success, all done
exit