Merge pull request #65 from cakebaker/w_help

w: add `--help`
uutils · Apr 18, 2024 · 0be3823 · 0be3823
2 parents b5bafe7 + 93f813b
commit 0be3823
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Showing 2 changed files with 20 additions and 3 deletions.
diff --git a/src/uu/w/src/w.rs b/src/uu/w/src/w.rs
@@ -184,6 +184,12 @@ pub fn uu_app() -> Command {
         .override_usage(format_usage(USAGE))
         .infer_long_args(true)
         .disable_help_flag(true)
+        .arg(
+            Arg::new("help")
+                .long("help")
+                .help("Print help information")
+                .action(ArgAction::Help),
+        )
         .arg(
             Arg::new("no-header")
                 .short('h')

diff --git a/tests/by-util/test_w.rs b/tests/by-util/test_w.rs
@@ -11,13 +11,24 @@ fn test_invalid_arg() {
     new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
 }
 
+#[test]
+fn test_help() {
+    new_ucmd!()
+        .arg("--help")
+        .succeeds()
+        .stdout_contains("Usage")
+        .stdout_contains("Options");
+}
+
 #[test]
 fn test_no_header() {
-    let cmd = new_ucmd!().arg("--no-header").succeeds();
+    for arg in ["-h", "--no-header"] {
+        let cmd = new_ucmd!().arg(arg).succeeds();
 
-    let result = cmd.stdout_str();
+        let result = cmd.stdout_str();
 
-    assert!(!result.contains("USER\tTTY\tLOGIN@\tIDLE\tJCPU\tPCPU\tWHAT"));
+        assert!(!result.contains("USER\tTTY\tLOGIN@\tIDLE\tJCPU\tPCPU\tWHAT"));
+    }
 }
 
 #[test]