From 75ece05dbf894d5c6b396973499159ea239ca277 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20Rodrigues=20Miguel?=
 <lemao.vrm07@hotmail.com>
Date: Wed, 3 Nov 2021 18:08:22 -0300
Subject: [PATCH] Avoid allocating in `nice_directory_display` when possible

---
 src/utils.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/utils.rs b/src/utils.rs
index 79bdf8c..60248ab 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,6 +1,7 @@
 //! Random stuff used on ouch.
 
 use std::{
+    borrow::Cow,
     cmp, env,
     ffi::OsStr,
     io,
@@ -109,12 +110,12 @@ pub fn concatenate_list_of_os_str(os_strs: &[impl AsRef<OsStr>]) -> String {
 }
 
 /// Display the directory name, but change to "current directory" when necessary.
-pub fn nice_directory_display(os_str: impl AsRef<OsStr>) -> String {
-    let text = to_utf(os_str);
-    if text == "." {
-        "current directory".to_string()
+pub fn nice_directory_display(os_str: impl AsRef<OsStr>) -> Cow<'static, str> {
+    if os_str.as_ref() == "." {
+        Cow::Borrowed("current directory")
     } else {
-        format!("'{}'", text)
+        let text = to_utf(os_str);
+        Cow::Owned(format!("'{}'", text))
     }
 }