do-you-know-groovy.groovy

node {
    TARGETS = TARGETS.split()
    
    TARGETS.collect { this ->
        (name, label) = this.split(':').plus([null])
    
        stage name, {
            try {
                println name, label
            } catch(e) {
                throw e
            }
        }

        return label
    }.unique().each { this ->
        println this
    }
}