brew.rb: duplicate MissingEnvironmentVariables exception.

Fixes #5592.
2019-01-23 15:40:44 +00:00 · 2019-01-23 15:40:44 +00:00 · 57d7d4c9dd
commit 57d7d4c9dd
parent 193af1442f
1 changed files with 3 additions and 0 deletions
--- a/Library/Homebrew/brew.rb
+++ b/Library/Homebrew/brew.rb
@ -10,6 +10,9 @@ if RUBY_X < 2 || (RUBY_X == 2 && RUBY_Y < 3)
  raise "Homebrew must be run under Ruby 2.3! You're running #{RUBY_VERSION}."
 end

+# Also define here so we can rescue regardless of location.
+class MissingEnvironmentVariables < RuntimeError; end
+
 begin
  require_relative "global"
 rescue MissingEnvironmentVariables => e