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#!/bin/bash
# test btrfstune uuid rewriting options
source "$TEST_TOP/common"
check_prereq mkfs.btrfs
check_prereq btrfstune
check_prereq btrfs
prepare_test_dev
get_fs_uuid() {
run_check_stdout $TOP/btrfs inspect-internal dump-super "$1" | \
grep '^fsid' | awk '{print $2}'
}
test_uuid_random()
{
local origuuid
origuuid=11111111-a101-4031-b29a-379d4f8b7a2d
run_check $SUDO_HELPER $TOP/mkfs.btrfs -f \
--uuid $origuuid \
--rootdir $INTERNAL_BIN/Documentation \
$TEST_DEV
run_check $TOP/btrfs inspect-internal dump-super "$TEST_DEV"
currentfsid=$(run_check_stdout $TOP/btrfstune -f -u $TEST_DEV | \
grep -i 'current fsid:' | awk '{print $3}')
if ! [ $currentfsid = $origuuid ]; then
_fail "FAIL: current UUID mismatch"
fi
run_check $TOP/btrfs inspect-internal dump-super "$TEST_DEV"
run_check $SUDO_HELPER $TOP/btrfs check $TEST_DEV
}
test_uuid_user()
{
local origuuid
local newuuid
origuuid=22222222-d324-4f92-80e9-7658bf3b845f
newuuid=33333333-bfc9-4045-9399-a396dc6893b3
run_check $SUDO_HELPER $TOP/mkfs.btrfs -f \
--uuid $origuuid \
--rootdir $INTERNAL_BIN/Documentation \
$TEST_DEV
run_check $TOP/btrfs inspect-internal dump-super "$TEST_DEV"
run_check $TOP/btrfstune -f -U $newuuid \
$TEST_DEV
# btrfs inspect-internal dump-super is called within get_fs_uuid
fsid=$(get_fs_uuid $TEST_DEV)
if ! [ $fsid = $newuuid ]; then
_fail "FAIL: UUID not rewritten"
fi
run_check $SUDO_HELPER $TOP/btrfs check $TEST_DEV
}
test_uuid_random
test_uuid_user
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