From dbc716546b352c8b81af1952915137049ed12239 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri, 18 Dec 2020 14:41:59 +0100
Subject: [PATCH] fix(mkdir) - Add --parent as alias of --parents

It is used this way sometimes:
https://sources.debian.org/src/php-symfony-polyfill/1.21.0-2/debian/rules/?hl=49#L49
https://sources.debian.org/src/firebird3.0/3.0.7.33374.ds4-1/debian/functions.sh/?hl=24#L24
https://sources.debian.org/src/postfix/3.5.6-1/debian/configure-instance.sh/?hl=67#L67
---
 src/uu/mkdir/src/mkdir.rs   | 1 +
 tests/by-util/test_mkdir.rs | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/uu/mkdir/src/mkdir.rs b/src/uu/mkdir/src/mkdir.rs
index ae95e2126..88580a96e 100644
--- a/src/uu/mkdir/src/mkdir.rs
+++ b/src/uu/mkdir/src/mkdir.rs
@@ -50,6 +50,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
             Arg::with_name(OPT_PARENTS)
                 .short("p")
                 .long(OPT_PARENTS)
+                .alias("parent")
                 .help("make parent directories as needed"),
         )
         .arg(
diff --git a/tests/by-util/test_mkdir.rs b/tests/by-util/test_mkdir.rs
index 73be9b253..ef3226c41 100644
--- a/tests/by-util/test_mkdir.rs
+++ b/tests/by-util/test_mkdir.rs
@@ -40,6 +40,8 @@ fn test_mkdir_parent() {
     let scene = TestScenario::new(util_name!());
     scene.ucmd().arg("-p").arg(TEST_DIR4).succeeds();
     scene.ucmd().arg("-p").arg(TEST_DIR4).succeeds();
+    scene.ucmd().arg("--parent").arg(TEST_DIR4).succeeds();
+    scene.ucmd().arg("--parents").arg(TEST_DIR4).succeeds();
 }
 
 #[test]