sys.props.get("plugin.version").orElse(Some("2.4.1-SNAPSHOT"))match{caseSome(x)=>addSbtPlugin("io.github.jxnu-liguobin"%"graphql-codegen-sbt-plugin"%x)case_=>sys.error("""|The system property 'plugin.version' is not defined. |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)}