From cf5ea961260951da1d4e5f56d75207999eb3d07f Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 21 Mar 2023 17:11:37 +0530
Subject: [PATCH] Ensure scroll position is correct after resize

---
 tools/cmd/diff/ui.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/cmd/diff/ui.go b/tools/cmd/diff/ui.go
index 31f0f8f06..7a1ec70f8 100644
--- a/tools/cmd/diff/ui.go
+++ b/tools/cmd/diff/ui.go
@@ -181,6 +181,9 @@ func (self *Handler) on_resize(old_size, new_size loop.ScreenSize) error {
 		if err != nil {
 			return err
 		}
+		if self.max_scroll_pos.Less(self.scroll_pos) {
+			self.scroll_pos = self.max_scroll_pos
+		}
 	}
 	self.draw_screen()
 	return nil