Override codegen version commit hash in PR diffs (#1636)

    kotlinOptions.jvmTarget = "1.8"

}

fun gitCommitHash() =

    try {

fun gitCommitHash(): String {

    // Use commit hash from env if provided, it is helpful to override commit hash in some contexts.

    // For example: while generating diff for generated SDKs we don't want to see version diff,

    // so we are overriding commit hash to something fixed

    val commitHashFromEnv = System.getenv("SMITHY_RS_VERSION_COMMIT_HASH_OVERRIDE")

    if (commitHashFromEnv != null) {

        return commitHashFromEnv

    }

    return try {

        val output = ByteArrayOutputStream()

        exec {

            commandLine = listOf("git", "rev-parse", "HEAD")

    } catch (ex: Exception) {

        "unknown"

    }

}

val generateSmithyRuntimeCrateVersion by tasks.registering {

    // generate the version of the runtime to use as a resource.

    exit 1

fi

# Override version commit hash to prevent unnecessary diffs

export SMITHY_RS_VERSION_COMMIT_HASH_OVERRIDE=ci

base_revision="$1"

./tools/codegen-diff-revisions.py . "${base_revision}"