From 0974935ced4bae3be09fb2f3b3b20841f20eca8e Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Wed, 10 Dec 2025 12:25:36 +0100
Subject: [PATCH] fix: prevent whole file filter commands from erasing the
 entire file

---
 src/tui/editor.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tui/editor.zig b/src/tui/editor.zig
index 559d9ad..46a52a1 100644
--- a/src/tui/editor.zig
+++ b/src/tui/editor.zig
@@ -6281,6 +6281,10 @@ pub const Editor = struct {
         self.cancel_all_selections();
         self.cancel_all_matches();
         if (state.whole_file) |buf| {
+            if (buf.items.len == 0) {
+                self.logger.print_err("filter", "empty filter result", .{});
+                return;
+            }
             const old_hash = blk: {
                 var content: std.Io.Writer.Allocating = .init(self.allocator);
                 defer content.deinit();