From d411a1e9e6857be587743165704c4f06159c9818 Mon Sep 17 00:00:00 2001
From: Bahex <17417311+Bahex@users.noreply.github.com>
Date: Sun, 4 May 2025 10:38:00 +0300
Subject: [PATCH] fix(cell-path): incorrect serialization of empty cell-paths

can round trip `$. | to nuon | from nuon`
---
 crates/nu-protocol/src/ast/cell_path.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/nu-protocol/src/ast/cell_path.rs b/crates/nu-protocol/src/ast/cell_path.rs
index 350474a53d..7b28196e5c 100644
--- a/crates/nu-protocol/src/ast/cell_path.rs
+++ b/crates/nu-protocol/src/ast/cell_path.rs
@@ -250,6 +250,10 @@ impl Display for CellPath {
                 }
             }
         }
+        // Empty cell-paths are `$.` not `$`
+        if self.members.is_empty() {
+            write!(f, ".")?;
+        }
         Ok(())
     }
 }