From dc1b4e684398edb066742140fb7ea837b29b4d4b Mon Sep 17 00:00:00 2001
From: Cole Miller <cole@zed.dev>
Date: Thu, 5 Mar 2026 15:19:09 -0500
Subject: [PATCH] special case expansion

---
 crates/multi_buffer/src/multi_buffer.rs | 1 +
 crates/multi_buffer/src/path_key.rs     | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/crates/multi_buffer/src/multi_buffer.rs b/crates/multi_buffer/src/multi_buffer.rs
index 7033cb78d764b6403116b7a4ddf9196023190358..28de6ad84dcf70defee170fca3c6292de2a757f0 100644
--- a/crates/multi_buffer/src/multi_buffer.rs
+++ b/crates/multi_buffer/src/multi_buffer.rs
@@ -3291,6 +3291,7 @@ impl MultiBuffer {
                         Some(ExcerptRange::new(start_ix..end_ix))
                     })
                     .collect::<Vec<_>>();
+                // todo!() mutate excerpts more realistically?
                 log::info!(
                     "Inserting excerpts from buffer {} and ranges {:?}: {:?}",
                     buffer_handle.read(cx).remote_id(),
diff --git a/crates/multi_buffer/src/path_key.rs b/crates/multi_buffer/src/path_key.rs
index 5bcfa9a6c7bd881b9e3acc970950825db1fb768a..0592e442ee8e146eac59cf014cf3deb44f3d28e0 100644
--- a/crates/multi_buffer/src/path_key.rs
+++ b/crates/multi_buffer/src/path_key.rs
@@ -185,6 +185,10 @@ impl MultiBuffer {
         direction: ExpandExcerptDirection,
         cx: &mut Context<Self>,
     ) {
+        if line_count == 0 {
+            return;
+        }
+
         let snapshot = self.snapshot(cx);
         let mut sorted_anchors = anchors
             .into_iter()