From 64e4f67e43493dc0832600dc84931aee8b28105d Mon Sep 17 00:00:00 2001
From: mordquist <16607572+mordquist@users.noreply.github.com>
Date: Sun, 26 May 2024 00:53:52 +0200
Subject: [PATCH] Add error for missing username on `:logout` (#277)

---
 src/commands.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/commands.rs b/src/commands.rs
index 6781f1b..81fe031 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -515,6 +515,9 @@ fn iamb_open(desc: CommandDescription, ctx: &mut ProgContext) -> ProgResult {
 fn iamb_logout(desc: CommandDescription, ctx: &mut ProgContext) -> ProgResult {
     let args = desc.arg.strings()?;
 
+    if args.is_empty() {
+        return Result::Err(CommandError::Error("Missing username".to_string()));
+    }
     if args.len() != 1 {
         return Result::Err(CommandError::InvalidArgument);
     }