#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
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# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
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#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
#

. $STF_SUITE/tests/functional/cli_root/zfs_rename/zfs_rename.cfg

function additional_setup
{
	# Create testfile
	log_must cp $DATA $TESTDIR/$TESTFILE0
	log_must cp $DATA $TESTDIR1/$TESTFILE0

	# Create snapshot
	if ! snapexists $TESTPOOL/$TESTFS@snapshot; then
		log_must zfs snapshot $TESTPOOL/$TESTFS@snapshot
		log_must zfs clone $TESTPOOL/$TESTFS@snapshot \
		    $TESTPOOL/$TESTFS-clone
	fi

	# Create file system
	datasetexists $TESTPOOL/$TESTFS1 || \
		log_must zfs create $TESTPOOL/$TESTFS1

	# Create testfile
	log_must cp $DATA $(get_prop mountpoint $TESTPOOL/$TESTFS1)/$TESTFILE0

	# Create container
	datasetexists $TESTPOOL/$TESTCTR1 || \
		log_must zfs create $TESTPOOL/$TESTCTR1
	log_must cp $DATA $(get_prop mountpoint $TESTPOOL/$TESTCTR1)/$TESTFILE0

	# Create data in zvol
	if is_global_zone; then
		log_must eval "dd if=$DATA of=$VOL_R_PATH bs=$BS count=$CNT \
				>/dev/null 2>&1"
	else
		log_must cp $DATA $(get_prop mountpoint $TESTPOOL/$TESTVOL)/$TESTFILE0
	fi

	# Create temporary %recv clone
	create_recv_clone $TESTPOOL/$RECVFS
}

function rename_dataset # src dest
{
	typeset src=$1
	typeset dest=$2

	log_must zfs rename $src $dest

	#
	# Verify src name no longer in use
	#
	log_mustnot datasetexists $src
	log_must datasetexists $dest
}

function cleanup
{
	typeset -i i=0
	while ((i < ${#dataset[*]} )); do
		if ! datasetexists ${dataset[i]}-new ; then
			((i = i + 1))
			continue
		fi

                if [[ ${dataset[i]}-new != *@* ]] ; then
                        zfs rename ${dataset[i]}-new ${dataset[i]}
                        if [[ $? -ne 0 ]]; then
                                typeset newfs=${dataset[i]}-new
                                typeset oldfs=${dataset[i]}
                                typeset mntp=$(get_prop mountpoint  $newfs)
                                log_must zfs destroy -f $newfs
                                log_must zfs create -p $oldfs
                                log_must zfs set mountpoint=$mntp $oldfs
                        fi
                else
                        log_must zfs destroy -fR ${dataset[i]}-new
                fi

                ((i = i + 1))
	done

	if snapexists $TESTPOOL/$TESTFS@snapshot; then
		log_must zfs destroy -fR $TESTPOOL/$TESTFS@snapshot
	fi

	if datasetexists $TESTPOOL/$RECVFS; then
		log_must zfs destroy -r $TESTPOOL/$RECVFS
	fi
}

function cmp_data #<$1 src data, $2 tgt data>
{
        typeset src=$1
        typeset tgt=$2

        cmp $src $tgt >/dev/null 2>&1

        return $?
}