formula: require instances to use a subclass

2022-08-24 23:51:29 +01:00 · 2022-08-24 23:51:29 +01:00 · 1c5ba1f685
commit 1c5ba1f685
parent 93647e5c98
1 changed files with 3 additions and 0 deletions
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@ -181,6 +181,9 @@ class Formula

  # @private
  def initialize(name, path, spec, alias_path: nil, force_bottle: false)
+    # Only allow instances of subclasses. The base class does not hold any spec information (URLs etc).
+    raise "Do not call `Formula.new' directly without a subclass." unless self.class < Formula
+
    @name = name
    @path = path
    @alias_path = alias_path