refactor/uucore ~ replace executable_name!() with util_name!() in standard messaging

src/uucore/src/lib/macros.rs

@@ -55,7 +55,7 @@ macro_rules! show(
     ($err:expr) => ({
         let e = $err;
         uucore::error::set_exit_code(e.code());
-        eprintln!("{}: {}", $crate::executable_name!(), e);
+        eprintln!("{}: {}", $crate::util_name!(), e);
     })
 );
 
@@ -72,7 +72,7 @@ macro_rules! show_if_err(
 #[macro_export]
 macro_rules! show_error(
     ($($args:tt)+) => ({
-        eprint!("{}: ", $crate::executable_name!());
+        eprint!("{}: ", $crate::util_name!());
         eprintln!($($args)+);
     })
 );
@@ -81,7 +81,7 @@ macro_rules! show_error(
 #[macro_export]
 macro_rules! show_error_custom_description (
     ($err:expr,$($args:tt)+) => ({
-        eprint!("{}: {}: ", $crate::executable_name!(), $err);
+        eprint!("{}: {}: ", $crate::util_name!(), $err);
         eprintln!($($args)+);
     })
 );
@@ -89,7 +89,7 @@ macro_rules! show_error_custom_description (
 #[macro_export]
 macro_rules! show_warning(
     ($($args:tt)+) => ({
-        eprint!("{}: warning: ", $crate::executable_name!());
+        eprint!("{}: warning: ", $crate::util_name!());
         eprintln!($($args)+);
     })
 );
@@ -98,7 +98,7 @@ macro_rules! show_warning(
 #[macro_export]
 macro_rules! show_usage_error(
     ($($args:tt)+) => ({
-        eprint!("{}: ", $crate::executable_name!());
+        eprint!("{}: ", $crate::util_name!());
         eprintln!($($args)+);
         eprintln!("Try `{:?} --help` for more information.", $crate::executable!());
     })

src/uucore/src/lib/mods/coreopts.rs

@@ -120,7 +120,7 @@ impl<'a> CoreOptions<'a> {
 macro_rules! app {
     ($syntax: expr, $summary: expr, $long_help: expr) => {
         uucore::coreopts::CoreOptions::new(uucore::coreopts::HelpText {
-            name: executable!(),
+            name: util_name!(),
             version: env!("CARGO_PKG_VERSION"),
             syntax: $syntax,
             summary: $summary,
@@ -130,7 +130,7 @@ macro_rules! app {
     };
     ($syntax: expr, $summary: expr, $long_help: expr, $display_usage: expr) => {
         uucore::coreopts::CoreOptions::new(uucore::coreopts::HelpText {
-            name: executable!(),
+            name: util_name!(),
             version: env!("CARGO_PKG_VERSION"),
             syntax: $syntax,
             summary: $summary,