fix(launcher): handle hub branches (#278)

router/src/main.rs

@@ -258,9 +258,10 @@ fn init_logging(otlp_endpoint: Option<String>, json_output: bool) {
 /// get model info from the Huggingface Hub
 pub async fn get_model_info(model_id: &str, revision: &str, token: Option<String>) -> HubModelInfo {
     let client = reqwest::Client::new();
-    let mut builder = client.get(format!(
-        "https://huggingface.co/api/models/{model_id}/revision/{revision}"
-    ));
+    // Poor man's urlencode
+    let revision = revision.replace("/", "%2F");
+    let url = format!("https://huggingface.co/api/models/{model_id}/revision/{revision}");
+    let mut builder = client.get(url);
     if let Some(token) = token {
         builder = builder.bearer_auth(token);
     }