From 75556f6c5f73cd40e3df04cab494ce0d278aa81e Mon Sep 17 00:00:00 2001
From: Anonymity <2254228017@qq.com>
Date: Sat, 12 Nov 2022 00:45:51 +0800
Subject: [PATCH] fix(#7097): let-env should not be able to set PWD (#7100)

---
 crates/nu-command/src/env/let_env.rs | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/crates/nu-command/src/env/let_env.rs b/crates/nu-command/src/env/let_env.rs
index ae2d5fc6c2..bf7a6fff00 100644
--- a/crates/nu-command/src/env/let_env.rs
+++ b/crates/nu-command/src/env/let_env.rs
@@ -1,4 +1,4 @@
-use nu_engine::{current_dir, eval_expression_with_input, CallExt};
+use nu_engine::{eval_expression_with_input, CallExt};
 use nu_protocol::ast::Call;
 use nu_protocol::engine::{Command, EngineState, Stack};
 use nu_protocol::{
@@ -49,24 +49,11 @@ impl Command for LetEnv {
                 .0
                 .into_value(call.head);
 
-        if env_var.item == "FILE_PWD" {
+        if env_var.item == "FILE_PWD" || env_var.item == "PWD" {
             return Err(ShellError::AutomaticEnvVarSetManually(
                 env_var.item,
                 env_var.span,
             ));
-        }
-
-        if env_var.item == "PWD" {
-            let cwd = current_dir(engine_state, stack)?;
-            let rhs = rhs.as_string()?;
-            let rhs = nu_path::expand_path_with(rhs, cwd);
-            stack.add_env_var(
-                env_var.item,
-                Value::String {
-                    val: rhs.to_string_lossy().to_string(),
-                    span: call.head,
-                },
-            );
         } else {
             stack.add_env_var(env_var.item, rhs);
         }