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#!/bin/ksh -p
#
# 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 https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# 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
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright (c) 2023, Klara Inc.
#
. $STF_SUITE/include/libtest.shlib
function have_same_content
{
typeset hash1=$(md5digest $1)
typeset hash2=$(md5digest $2)
log_must [ "$hash1" = "$hash2" ]
}
#
# get_same_blocks dataset1 path/to/file1 dataset2 path/to/file2
#
# Returns a space-separated list of the indexes (starting at 0) of the L0
# blocks that are shared between both files (by first DVA and checksum).
# Assumes that the two files have the same content, use have_same_content to
# confirm that.
#
function get_same_blocks
{
KEY=$5
if [ ${#KEY} -gt 0 ]; then
KEY="--key=$KEY"
fi
typeset zdbout=${TMPDIR:-$TEST_BASE_DIR}/zdbout.$$
zdb $KEY -vvvvv $1 -O $2 | \
awk '/ L0 / { print l++ " " $3 " " $7 }' > $zdbout.a
zdb $KEY -vvvvv $3 -O $4 | \
awk '/ L0 / { print l++ " " $3 " " $7 }' > $zdbout.b
echo $(sort -n $zdbout.a $zdbout.b | uniq -d | cut -f1 -d' ')
}
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