echo "mc is already installed"
	else
		echo "Installing mc:"
		go install github.com/minio/mc@latest
	fi

	if [ ! -x ./minio.${OLD_VERSION} ]; then
		echo "Downloading minio.${OLD_VERSION} binary"
		curl -o minio.${OLD_VERSION} ${OLD_BINARY_LINK}
		chmod +x minio.${OLD_VERSION}
	fi

	if [ -z "$_MINIO_LDAP_TEST_SERVER" ]; then
		export _MINIO_LDAP_TEST_SERVER=localhost:1389

	verify_checksum_mc ./minio minio/minio-test/to-read/minio

	curl -s http://127.0.0.1:9000/minio-test/to-read/hosts | sha256sum

	MINIO_VERSION=dev docker-compose -f "buildscripts/upgrade-tests/compose.yml" stop
}

main() {
	MINIO_VERSION=dev docker-compose -f "buildscripts/upgrade-tests/compose.yml" up -d --build

	add_alias

function purge() {
	rm -rf "$1"
}

function __init__() {
	echo "Initializing environment"
	mkdir -p "$WORK_DIR"
	mkdir -p "$MINIO_CONFIG_DIR"

	## version is purposefully set to '3' for minio to migrate configuration file
	echo '{"version": "3", "credential": {"accessKey": "minio", "secretKey": "minio123"}, "region": "us-east-1"}' >"$MINIO_CONFIG_DIR/config.json"

	if [ ! -f /tmp/mc ]; then

}

function purge() {
	rm -rf "$1"
}

function __init__() {
	echo "Initializing environment"
	mkdir -p "$WORK_DIR"
	mkdir -p "$MINIO_CONFIG_DIR"

	## version is purposefully set to '3' for minio to migrate configuration file
	echo '{"version": "3", "credential": {"accessKey": "minio", "secretKey": "minio123"}, "region": "us-east-1"}' >"$MINIO_CONFIG_DIR/config.json"
}

function perform_test() {

if [ $? -ne 0 ]; then
	echo "expecting object to be present. exiting.."
	exit_1
fi
./mc tag set --version-id "${vID}" minio2/newbucket/README.md "key=val"
if [ $? -ne 0 ]; then
	echo "expecting tag set to be successful. exiting.."
	exit_1
fi
sleep 5
val=$(./mc tag list minio1/newbucket/README.md --version-id "${vID}" --json | jq -r .tagset.key)
if [ "${val}" != "val" ]; then

./mc mirror internal myminio/versioned/ --quiet >/dev/null

## Soft delete (creates delete markers)
./mc rm -r --force myminio/versioned >/dev/null

## mirror again to create another set of version on top
./mc mirror internal myminio/versioned/ --quiet >/dev/null

expected_checksum=$(./mc cat internal/dsync/drwmutex.go | md5sum)

user_count=$(./mc admin user list myminio/ | wc -l)

## we do not need to fail here, since we are going to test
## upgrading to master, healing and being able to recover
## the last version.
if [ $failed_count_site1 -ne 0 ]; then
	echo "failed with multipart on site1 uploads ${failed_count_site1}"
fi

if [ $failed_count_site2 -ne 0 ]; then
	echo "failed with multipart on site2 uploads ${failed_count_site2}"

	exit 1
fi

./mc mb sitea/bucket-version/
./mc mb siteb/bucket-version

./mc version enable sitea/bucket-version/
./mc version enable siteb/bucket-version/

echo "adding replication rule for site a -> site b"
./mc replicate add sitea/bucket-version/ \
	--remote-bucket http://minio:minio123@127.0.0.1:9004/bucket-version

./mc mb sitea/bucket-version/directory/

sleep 2s

export MC_HOST_sitec=http://minio:minio123@127.0.0.1:9006

./mc mb sitea/bucket
./mc version enable sitea/bucket
./mc mb -l sitea/olockbucket

./mc mb siteb/bucket/
./mc version enable siteb/bucket/
./mc mb -l siteb/olockbucket/

./mc mb sitec/bucket/
./mc version enable sitec/bucket/
./mc mb -l sitec/olockbucket

echo "adding replication rule for a -> b : ${remote_arn}"
sleep 1

./mc ready sitea

./mc mb sitea/delissue --insecure

./mc version enable sitea/delissue --insecure

echo hello | ./mc pipe sitea/delissue/hello --insecure

./mc version suspend sitea/delissue --insecure

./mc rm sitea/delissue/hello --insecure

./mc version enable sitea/delissue --insecure

echo hello | ./mc pipe sitea/delissue/hello --insecure

./mc version suspend sitea/delissue --insecure