Function auto_detect_container_engine

e2e/rust/src/harness/container.rs:324–338

(
    probe: &impl ContainerEngineProbe,
)

}

fn auto_detect_container_engine(
    probe: &impl ContainerEngineProbe,
) -> Result<ResolvedContainerEngine, String> {
    if probe.command_exists("podman") {
        return Ok(ResolvedContainerEngine::new("podman", "podman"));
    }
    if probe.command_exists("docker") {
        if probe.docker_is_podman_shim() {
            return Ok(ResolvedContainerEngine::new("podman", "docker"));
        }
        return Ok(ResolvedContainerEngine::new("docker", "docker"));
    }

    Err("neither podman nor docker is installed; install one of them, or set CONTAINER_ENGINE=docker|podman".to_string())
}

fn resolve_container_engine(
    legacy_selector: Option<&str>,