From fadcdde7f86cb2cf2795acf3e3dab28c77b32b4e Mon Sep 17 00:00:00 2001
From: JT <jonathandturner@users.noreply.github.com>
Date: Thu, 10 Jun 2021 16:28:33 +1200
Subject: [PATCH] Add help flag support to alias (#3595)

---
 crates/nu-parser/src/parse.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/nu-parser/src/parse.rs b/crates/nu-parser/src/parse.rs
index 84af2fe2d..0eedc444e 100644
--- a/crates/nu-parser/src/parse.rs
+++ b/crates/nu-parser/src/parse.rs
@@ -1994,6 +1994,10 @@ fn expand_shorthand_forms(
 }
 
 fn parse_alias(call: &LiteCommand, scope: &dyn ParserScope) -> Option<ParseError> {
+    if call.parts.len() == 2 && (call.parts[1].item == "--help" || (call.parts[1].item == "-h")) {
+        return None;
+    }
+
     if call.parts.len() < 4 {
         return Some(ParseError::mismatch("alias", call.parts[0].clone()));
     }