export function ensureVersionMatches(desiredVersion: string) {
    const result = proc.spawnSync("pulumi", ["version"], {
        stdio: ["pipe", "pipe", "inherit"]
    });
    if (result.status != 0) {
        throw new pulumi.RunError(`Pulumi version check exited with non-zero status ${result.status}.`)
    }
    const versionString = String(result.stdout)
    if (versionString != desiredVersion) {
        throw new pulumi.RunError(`Pulumi current version ${versionString} does not match desired version ${desiredVersion}`)
    }
    return versionString
}