From f5f8cf08e0836524ebdafedd9ad9b49a53b7c91f Mon Sep 17 00:00:00 2001
From: Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
Date: Sun, 31 Mar 2024 21:08:01 +0200
Subject: [PATCH] hostid: return correct exit code on error

---
 src/uu/hostid/src/hostid.rs  | 2 +-
 tests/by-util/test_hostid.rs | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/uu/hostid/src/hostid.rs b/src/uu/hostid/src/hostid.rs
index a5c18d075..157cfc420 100644
--- a/src/uu/hostid/src/hostid.rs
+++ b/src/uu/hostid/src/hostid.rs
@@ -19,7 +19,7 @@ extern "C" {
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    uu_app().get_matches_from(args);
+    uu_app().try_get_matches_from(args)?;
     hostid();
     Ok(())
 }
diff --git a/tests/by-util/test_hostid.rs b/tests/by-util/test_hostid.rs
index e9336116b..7525f5e08 100644
--- a/tests/by-util/test_hostid.rs
+++ b/tests/by-util/test_hostid.rs
@@ -10,3 +10,12 @@ fn test_normal() {
     let re = Regex::new(r"^[0-9a-f]{8}").unwrap();
     new_ucmd!().succeeds().stdout_matches(&re);
 }
+
+#[test]
+fn test_invalid_flag() {
+    new_ucmd!()
+        .arg("--invalid-argument")
+        .fails()
+        .no_stdout()
+        .code_is(1);
+}