}


fun Project.buildTimestampFromBuildReceipt(): Provider<String> =
    providers.of(BuildTimestampFromBuildReceiptValueSource::class) {
        parameters {
            ignoreIncomingBuildReceipt = project.ignoreIncomingBuildReceipt
            buildReceiptFileContents = repoRoot()
                .dir("incoming-distributions")
                .file(BuildReceipt.buildReceiptFileName)

        "the build timestamp extracted from the build receipt".let {
            when {
                parameters.ignoreIncomingBuildReceipt.get() -> "$it (ignored)"
                else -> it
            }
        }

    private
    fun Parameters.buildReceiptString(): String? = when {
        ignoreIncomingBuildReceipt.get() -> null
        else -> buildReceiptFileContents.orNull
    }

    const val BUILD_COMMIT_DISTRIBUTION = "buildCommitDistribution"
    const val BUILD_FINAL_RELEASE = "finalRelease"
    const val BUILD_ID = "BUILD_ID"
    const val BUILD_IGNORE_INCOMING_BUILD_RECEIPT = "ignoreIncomingBuildReceipt"
    const val BUILD_MILESTONE_NUMBER = "milestoneNumber"
    const val BUILD_PROMOTION_COMMIT_ID = "promotionCommitId"
    const val BUILD_RC_NUMBER = "rcNumber"
    const val BUILD_TIMESTAMP = "buildTimestamp"