From 318f366ace28c496f89496ddf4ea7668d02cacd9 Mon Sep 17 00:00:00 2001
From: Roy Ivy III <rivy.dev@gmail.com>
Date: Wed, 28 Jul 2021 16:22:02 -0500
Subject: [PATCH] change/uucore ~ add `execution_phrase!()` macro for use with
 usage messages

---
 src/uucore/src/lib/macros.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/uucore/src/lib/macros.rs b/src/uucore/src/lib/macros.rs
index 6d74ee260..36336a24d 100644
--- a/src/uucore/src/lib/macros.rs
+++ b/src/uucore/src/lib/macros.rs
@@ -58,6 +58,23 @@ macro_rules! util_name(
 
 //====
 
+/// Derive the complete execution phrase for "usage".
+#[macro_export]
+macro_rules! execution_phrase(
+    () => ({
+        let exe = if (executable_name!() == util_name!()) {
+        executable!().to_string()
+    } else {
+        format!("{} {}", executable!(), util_name!())
+            .as_str()
+            .to_owned()
+    };
+    &exe.to_owned()
+    })
+);
+
+//====
+
 #[macro_export]
 macro_rules! show(
     ($err:expr) => ({