From 816dfee64aebfae8ce56b21eb8f2dbff210650aa Mon Sep 17 00:00:00 2001
From: Michael Davis <mcarsondavis@gmail.com>
Date: Mon, 12 Dec 2022 20:06:07 -0600
Subject: [PATCH] Bail on zero-arg :help invocation

---
 helix-term/src/commands/typed.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/helix-term/src/commands/typed.rs b/helix-term/src/commands/typed.rs
index 242eee70f..f599da09f 100644
--- a/helix-term/src/commands/typed.rs
+++ b/helix-term/src/commands/typed.rs
@@ -1813,10 +1813,8 @@ fn help(cx: &mut compositor::Context, args: &[Cow<str>], event: PromptEvent) ->
         return Ok(());
     }
 
-    if args.is_empty() {
-        // TODO: Open a list of commands?
-        todo!()
-    }
+    // TODO: Open a list of commands / overview?
+    ensure!(!args.is_empty(), "Help topic or keybind required");
 
     if args[0] == "topics" {
         let dir_path = helix_loader::runtime_dir().join("help/topics");