From 6800e5c2b9ead3c87a6508e2d26905239d8cea16 Mon Sep 17 00:00:00 2001
From: Ava Affine <ava@sunnypup.io>
Date: Tue, 20 Feb 2024 14:51:05 -0800
Subject: [PATCH] quick fix, simplify cd callback behaviour

Signed-off-by: Ava Affine <ava@sunnypup.io>
---
 src/stl/posix.rs | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/src/stl/posix.rs b/src/stl/posix.rs
index 6fd6f6a..8c76d66 100644
--- a/src/stl/posix.rs
+++ b/src/stl/posix.rs
@@ -762,6 +762,10 @@ fn cd_callback(ast: &Seg, syms: &mut SymTable) -> Result<Ctr, Traceback> {
                         None,
                     ));
 
+                if !syms.contains_key(&CD_USER_CB.to_string()) {
+                    return Ok(Ctr::None)
+                }
+
                 match syms.call_symbol(
                     &CD_USER_CB.to_string(),
                     &Seg::new(),
@@ -990,18 +994,4 @@ pub fn load_posix_shell(syms: &mut SymTable, shell_state: Rc<RefCell<ShellState>
             ..Default::default()
         },
     );
-
-    syms.insert(
-        String::from(CD_USER_CB),
-        Symbol {
-            name: String::from(CD_USER_CB),
-            args: Args::None,
-            conditional_branches: false,
-            docs: String::from("lambda called at each invocation of cd"),
-            value: ValueType::Internal(Rc::new(move |_ast: &Seg, _sym: &mut SymTable| -> Result<Ctr, Traceback> {
-                Ok(Ctr::None)
-            })),
-            ..Default::default()
-        },
-    );
 }