Merge branch 'master' into id_selinux_context

tests/by-util/test_du.rs

@@ -573,7 +573,8 @@ fn test_du_bytes() {
     #[cfg(all(
         not(target_vendor = "apple"),
         not(target_os = "windows"),
-        not(target_os = "freebsd")
+        not(target_os = "freebsd"),
+        not(target_os = "linux")
     ))]
     result.stdout_contains("21529\t./subdir\n");
 }

tests/by-util/test_tr.rs

@@ -127,6 +127,15 @@ fn test_squeeze_complement() {
         .stdout_is("aaBcDcc");
 }
 
+#[test]
+fn test_squeeze_complement_two_sets() {
+    new_ucmd!()
+        .args(&["-sc", "a", "_"])
+        .pipe_in("test a aa with 3 ___ spaaaces +++") // spell-checker:disable-line
+        .run()
+        .stdout_is("_a_aa_aaa_");
+}
+
 #[test]
 fn test_translate_and_squeeze() {
     new_ucmd!()
@@ -275,3 +284,11 @@ fn test_interpret_backslash_at_eol_literally() {
         .succeeds()
         .stdout_is("\\");
 }
+
+#[test]
+fn test_more_than_2_sets() {
+    new_ucmd!()
+        .args(&["'abcdefgh'", "'a", "'b'"])
+        .pipe_in("hello world")
+        .fails();
+}

tests/by-util/test_whoami.rs

@@ -39,7 +39,6 @@ fn test_normal_compare_env() {
     let whoami = whoami();
     if whoami == "nobody" {
         println!("test skipped:");
-        return;
     } else if !is_ci() {
         new_ucmd!().succeeds().stdout_is(format!("{}\n", whoami));
     } else {

tests/common/util.rs

@@ -1065,7 +1065,7 @@ pub fn whoami() -> String {
 
 /// Add prefix 'g' for `util_name` if not on linux
 #[cfg(unix)]
-pub fn host_name_for<'a>(util_name: &'a str) -> Cow<'a, str> {
+pub fn host_name_for(util_name: &str) -> Cow<str> {
     // In some environments, e.g. macOS/freebsd, the GNU coreutils are prefixed with "g"
     // to not interfere with the BSD counterparts already in `$PATH`.
     #[cfg(not(target_os = "linux"))]