Better refname parsing

src/main.rs

@@ -106,12 +106,18 @@ async fn ensure_matrix_room_joined(matrix_client: &Client, room_id: &OwnedRoomOr
 
 fn build_gitlab_message(event: &GitlabEvent) -> String {
     let project = event.project();
-    let refname = event
-        .r#ref()
-        .split('/')
-        .last()
-        .unwrap_or_else(|| event.r#ref())
-        .to_string();
+    let r = event.r#ref();
+    let refname = if r.starts_with("refs/") {
+        let parts = r.split('/').collect::<Vec<_>>();
+        if parts.len() > 2 {
+            parts.into_iter().skip(2).collect::<Vec<_>>().join("/").to_string()
+        } else {
+            drop(parts);
+            r.to_string()
+        }
+    } else {
+        r.to_string()
+    };
     format!(
         "*{}* {} **{}** [{}]({})",
         project.path_with_namespace,