refactor: use Context::branch_head

1 files changed, 1 insertions, 4 deletions

diff --git a/src/main.rs b/src/main.rs
index be38348..ab65d75 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -361,10 +361,7 @@ async fn build_response<C: Controller>(
         return post_routes::build_response(origin, &params, controller, ctx, body, parts).await;
     }
 
-    let mut tree = ctx
-        .repo
-        .revparse_single(&ctx.branch.rev_str())
-        .map(|r| r.into_commit().unwrap().tree().unwrap());
+    let mut tree = ctx.branch_head()?.tree();
 
     if ctx.path.components().next().is_some() {
         let entr = match tree.and_then(|t| t.get_path(ctx.path.as_ref())) {