Function parse_deployed_engine_version

app/src/utils.rs:84–102

(
    runtime_engine_version: Option<&str>,
    build_version_fallback: &str,
    shadow_commit_fallback: &str,
)

}

fn parse_deployed_engine_version(
    runtime_engine_version: Option<&str>,
    build_version_fallback: &str,
    shadow_commit_fallback: &str,
) -> DeployedEngineVersion {
    if let Some(runtime_engine_version) = runtime_engine_version.map(str::trim).filter(|value| !value.is_empty()) {
        return runtime_engine_version
            .parse::<DeployedEngineVersion>()
            .expect("ENGINE_TAG_VERSION must be a valid version or commit id");
    }

    parse_candidate_deployed_engine_version(build_version_fallback)
        .or_else(|| parse_candidate_deployed_engine_version(shadow_commit_fallback))
        .unwrap_or_else(|| {
            LOCAL_DEPLOYED_ENGINE_VERSION
                .parse::<DeployedEngineVersion>()
                .expect("local deployed engine version fallback must stay valid")
        })
}

/// Returns the deployed engine version from `ENGINE_TAG_VERSION` when it is set to a non-empty
/// value, otherwise falls back to the build-time version embedded in the binary, then to the