Update harbor to 2.6.

harbor/common.sh

@@ -103,28 +103,34 @@ function check_docker {
 }
 
 function check_dockercompose {
-	if ! docker compose version &> /dev/null
+	if [! docker compose version] &> /dev/null || [! docker-compose --version] &> /dev/null
 	then
-		error "Need to install docker compose(1.18.0+) by yourself first and run this script again."
+		error "Need to install docker-compose(1.18.0+) or a docker-compose-plugin (https://docs.docker.com/compose/)by yourself first and run this script again."
 		exit 1
 	fi
 
-	# docker compose has been installed, check its version
-	if [[ $(docker compose version) =~ (([0-9]+)\.([0-9]+)([\.0-9]*)) ]]
+	# either docker compose plugin has been installed
+	if docker compose version &> /dev/null
+	then
+		note "$(docker compose version)"
+		DOCKER_COMPOSE="docker compose"
+
+	# or docker-compose has been installed, check its version
+	elif [[ $(docker-compose --version) =~ (([0-9]+)\.([0-9]+)([\.0-9]*)) ]]
 	then
 		docker_compose_version=${BASH_REMATCH[1]}
 		docker_compose_version_part1=${BASH_REMATCH[2]}
 		docker_compose_version_part2=${BASH_REMATCH[3]}
 
-		note "docker compose version: $docker_compose_version"
-		# the version of docker compose does not meet the requirement
+		note "docker-compose version: $docker_compose_version"
+		# the version of docker-compose does not meet the requirement
 		if [ "$docker_compose_version_part1" -lt 1 ] || ([ "$docker_compose_version_part1" -eq 1 ] && [ "$docker_compose_version_part2" -lt 18 ])
 		then
-			error "Need to upgrade docker compose package to 1.18.0+."
+			error "Need to upgrade docker-compose package to 1.18.0+."
 			exit 1
 		fi
 	else
-		error "Failed to parse docker compose version."
+		error "Failed to parse docker-compose version."
 		exit 1
 	fi
-}
+}