}

// GradleMaster -> Master
// GradleSecurityAdvisory84mwRelease -> SecurityAdvisory84mwRelease
val DslContext.uuidPrefix: String
    get() = settingsRoot.id.toString().substringAfter("Gradle")

data class VersionedSettingsBranch(val branchName: String) {
    /**
     * 0~23.
     * To avoid nightly promotion jobs running at the same time,
     * we run each branch on different hours.

    class CrossVersionBucketProvider(onlyTestGradleVersion: String) : BuildBucketProvider {
        val startVersionInclusive = onlyTestGradleVersion.substringBefore("-")
        val endVersionExclusive = onlyTestGradleVersion.substringAfter("-")

        override fun configureTest(testTask: Test, sourceSetName: String) {
            val currentVersionUnderTest = extractTestTaskGradleVersion(testTask.name)
            currentVersionUnderTest?.apply {

// gh-readonly-queue/master/pr-1234-5678abcdef -> master
fun toMergeQueueBaseBranch(actualBranch: String): String = when {
    actualBranch.startsWith("pre-test/") || actualBranch.startsWith("gh-readonly-queue/") -> actualBranch.substringAfter("/").substringBefore("/")
    else -> actualBranch
}

/**
 * The build environment.
 *
 * WARNING: Every val in here must not change for they same daemon. If it does, changes will go undetected,