From 52f910af03028441bd833a0dd1a1feae5bdbecf0 Mon Sep 17 00:00:00 2001
From: John Herbener <herbener.dev@gmail.com>
Date: Thu, 7 Dec 2023 19:32:17 -0500
Subject: [PATCH] Issue 333: Don't allow invalid project names

---
 lib/mix/tasks/install.ex | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/mix/tasks/install.ex b/lib/mix/tasks/install.ex
index 772da950..7dc69f2c 100644
--- a/lib/mix/tasks/install.ex
+++ b/lib/mix/tasks/install.ex
@@ -30,6 +30,10 @@ defmodule Mix.Tasks.Beacon.Install do
 
     {options, _parsed} = OptionParser.parse!(argv, strict: @switches)
 
+    if Keyword.get(options, :site) |> String.starts_with?("beacon_") do
+      Mix.raise("site names starting with 'beacon_' are considered invalid, please choose another site name")
+    end
+
     bindings = build_context_bindings(options)
 
     config_file_path = config_file_path("config.exs")