jenkins-android-pipeline-utils.groovy

#!/usr/bin/env groovy

def runBuild(String nodeName = null, notifyGithub = true, Closure<Void> job) {
   if (nodeName) node(nodeName) { runBuildInternally(job, notifyGithub) }
   else runBuildInternally(job, notifyGithub)
}

private def runBuildInternally(Closure<Void> job, boolean notifyGithub) {
   withGithubNotifier(notifyGithub) {
      decorateBuild {
         currentBuild.result = 'SUCCESS'
         catchError {      
            job()
         }
      }
   }
}

def decorateBuild(Closure<Void> job) {
   wrap([$class: 'TimestamperBuildWrapper']) {
      ansiColor('XTerm') {
         job()
      }
   }
}

def withGithubNotifier(boolean enabled, Closure<Void> job) {
   if (enabled) notifyGithub('STARTED')   
   job()
   if (enabled) notifyGithub(currentBuild.result)
}

def notifyGithub(String result) {
   switch (result) {
      case 'STARTED':
         setGitHubPullRequestStatus(context: env.JOB_NAME, message: "Build started", state: 'PENDING')
         break
      case 'FAILURE':
         setGitHubPullRequestStatus(context: env.JOB_NAME, message: "Build error", state: 'ERROR')
         break
      case 'UNSTABLE':
         setGitHubPullRequestStatus(context: env.JOB_NAME, message: "Tests are broken", state: 'FAILURE')
         break
      case 'SUCCESS':
         setGitHubPullRequestStatus(context: env.JOB_NAME, message: "All is good", state: 'SUCCESS')
         break
   }
}

@NonCPS
def String getScmChanges(truncateLength = 140) {    
    def changeString = ""

    echo "Gathering SCM changes"
    def changeLogSets = currentBuild.rawBuild.changeSets
    for (int i = 0; i < changeLogSets.size(); i++) {
        def entries = changeLogSets[i].items
        for (int j = 0; j < entries.length; j++) {
            def entry = entries[j]
            truncatedMsg = entry.msg.take(truncateLength)
            changeString += " - ${truncatedMsg} [${entry.author}]\n"
        }
    }

    return changeString ?: " - No new changes"
}

def runTestAndArchiveResult(String gradleTestTask, String reportFolder, String reportPattern, boolean allowEmpty=false) {
   Throwable error = null
   try {
      gradlew gradleTestTask
   } catch (e) {
      error = e
   }
   if (!fileExists(reportFolder)) throw error
   junit allowEmptyResults: allowEmpty, testResults: "${reportFolder}/${reportPattern}"
}

def gradlew(String task) {
   bash "./gradlew clean ${task} -PdisablePreDex "
}

def bash(String command) {
   println "Bash shell executes -> $command"
   result = sh(returnStdout: true, script: """#!/bin/bash -l
      $command
    """)
   if (result) return result.trim()
}

return this