From 924d40867c0839b6bf6b4c5da7511db4b1f4e520 Mon Sep 17 00:00:00 2001
From: Anirban Halder <anirbanhalder752@gmail.com>
Date: Sun, 12 Jan 2025 01:08:38 +0530
Subject: [PATCH] chroot: make group option self overwriting

---
 src/uu/chroot/src/chroot.rs  |  1 +
 tests/by-util/test_chroot.rs | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/uu/chroot/src/chroot.rs b/src/uu/chroot/src/chroot.rs
index f348d0c55..4ea5db653 100644
--- a/src/uu/chroot/src/chroot.rs
+++ b/src/uu/chroot/src/chroot.rs
@@ -254,6 +254,7 @@ pub fn uu_app() -> Command {
         .arg(
             Arg::new(options::GROUPS)
                 .long(options::GROUPS)
+                .overrides_with(options::GROUPS)
                 .help("Comma-separated list of groups to switch to")
                 .value_name("GROUP1,GROUP2..."),
         )
diff --git a/tests/by-util/test_chroot.rs b/tests/by-util/test_chroot.rs
index 711dd0943..022822c6b 100644
--- a/tests/by-util/test_chroot.rs
+++ b/tests/by-util/test_chroot.rs
@@ -53,6 +53,22 @@ fn test_no_such_directory() {
         .code_is(125);
 }
 
+#[test]
+fn test_multiple_group_args() {
+    let ts = TestScenario::new(util_name!());
+    let at = &ts.fixtures;
+    at.mkdir("id");
+
+    if let Ok(result) = run_ucmd_as_root(
+        &ts,
+        &["--groups='invalid ignored'", "--groups=''", "/", "id", "-G"],
+    ) {
+        result.success().stdout_is("0");
+    } else {
+        print!("Test skipped; requires root user");
+    }
+}
+
 #[test]
 fn test_invalid_user_spec() {
     let ts = TestScenario::new(util_name!());