fun Project.currentGitCommitViaFileSystemQuery(): Provider<String> = getBuildEnvironmentExtensionOrNull()?.gitCommitId ?: objects.property(String::class.java)


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

/**
 * The build environment.
 *

 *
 * For example, for the merge queue branch "gh-readonly-queue/master/pr-12345-1a2b3c4d" the logical branch is "master".
 */
val Project.logicalBranch: Provider<String>
    get() = buildBranch.map(::toMergeQueueBaseBranch)


val Project.buildCommitId: Provider<String>
    get() = environmentVariable(BUILD_COMMIT_ID)
        .orElse(gradleProperty(BUILD_PROMOTION_COMMIT_ID))