From 8ad95c375ad6376143bd8ba938525bb4c7894ccb Mon Sep 17 00:00:00 2001
From: Thomas Queiroz <thomasqueirozb@gmail.com>
Date: Tue, 2 Nov 2021 19:53:40 -0300
Subject: [PATCH] env: force specifying command with --chdir

---
 src/uu/env/src/env.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/uu/env/src/env.rs b/src/uu/env/src/env.rs
index 6d5431aa9..835c8766c 100644
--- a/src/uu/env/src/env.rs
+++ b/src/uu/env/src/env.rs
@@ -229,6 +229,14 @@ fn run_env(args: impl uucore::Args) -> UResult<()> {
         }
     }
 
+    // GNU env tests this behavior
+    if opts.program.is_empty() && running_directory.is_some() {
+        return Err(UUsageError::new(
+            125,
+            "must specify command with --chdir (-C)".to_string(),
+        ));
+    }
+
     // NOTE: we manually set and unset the env vars below rather than using Command::env() to more
     //       easily handle the case where no command is given