taskutils.gradle

import javax.inject.Inject

interface InjectedExecOps {
    @Inject ExecOperations getExecOps()
}

def runCommand(String commandName, boolean ignoreExitCode, File workDir, String... commands) {
    def osName = System.getProperty("os.name").toLowerCase()
    def args = []
    if (osName.contains("windows")) {
        args.add('cmd')
        args.add('/c')
    } else {
        args.add('bash')
        args.add('-c')
    }
    args.addAll(commands)

    if (workDir != null) {
        printGreen("Executing '{}' in {}", commandName, workDir)
    } else {
        printGreen("Executing '{}'", commandName)
    }

    def execOps = project.objects.newInstance(InjectedExecOps).execOps
    def result = execOps.exec {
        if (workDir != null) {
            workingDir = workDir
        }
        commandLine args
        ignoreExitValue ignoreExitCode
    }
    if (result.exitValue == 0) {
        printGreen("Successfully executed '{}'", commandName)
    } else if (ignoreExitCode) {
        logger.error("Task '{}' failed with exit code {} - Ignoring", commandName, result.exitValue)
    }
    return result
}

def runGradleTasks(List<String> mandatoryTasks, List<String> optionalTasks) {
    def errored = false
    def results = []
    for (String task : mandatoryTasks) {
        if (errored) {
            results.add([task, null])
            continue
        }
        def result = runGradleTask(task, true)
        if (result.exitValue != 0) {
            errored = true
        }
        results.add([task, result])
    }
    for (String task : optionalTasks) {
        if (errored) {
            results.add([task, null])
            continue
        }
        def result = runGradleTask(task, true)
        results.add([task, result])
    }
    logger.lifecycle('')
    printGreen('Execution results:')
    results.forEach {
        def result = it[1]
        printGreen('{} -> {}', it[0], result == null ? 'SKIPPED' : (result.exitValue == 0 ? 'SUCCESS' : 'FAILURE'))
    }
}

def runGradleTask(String taskName, boolean ignoreExitCode, File workDir=null) {
    def osName = System.getProperty("os.name").toLowerCase()
    def gradlewCmd = osName.contains("windows") ? "gradlew.bat" : "./gradlew"
    return runCommand(taskName, ignoreExitCode, workDir, "${gradlewCmd} ${taskName}")
}

def printGreen(String template, Object... args) {
    def green = '\u001B[32m'
    def reset = '\u001B[0m'
    logger.lifecycle("${green}${template}${reset}", args)
}

ext.runGradleTasks = { List<String> mandatoryTasks, List<String> optionalTasks ->
    runGradleTasks(mandatoryTasks, optionalTasks)
}

ext.runGradleTask = { String taskName, boolean ignoreExitCode, File workDir=null ->
    runGradleTask(taskName, ignoreExitCode, workDir)
}

ext.runCommand = { String commandName, boolean ignoreExitCode, File workDir, String... commands ->
    runCommand(commandName, ignoreExitCode, workDir, commands)
}