From 54c500b230c8fbf3def1ff3fbc4020b1a56df550 Mon Sep 17 00:00:00 2001
From: Aram Drevekenin <aram@poor.dev>
Date: Thu, 25 Feb 2021 18:20:01 +0100
Subject: [PATCH] fix(grid): do not crash when reflowing lines with an empty
 top buffer (#211)

---
 src/client/panes/grid.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/client/panes/grid.rs b/src/client/panes/grid.rs
index a13fe204..7651bdc0 100644
--- a/src/client/panes/grid.rs
+++ b/src/client/panes/grid.rs
@@ -70,6 +70,10 @@ fn transfer_rows_down(
                         }
                         None => vec![Row::from_rows(next_lines)],
                     };
+                    if next_lines.is_empty() {
+                        // no more lines at source, the line we popped was probably empty
+                        break;
+                    }
                 }
                 None => break, // no more rows
             }