Merge pull request #2769 from MikeMcQuaid/rubocop-no-perl-backrefs1.2.3

rubocop: don’t allow Perl regex backrefs.

1 files changed, 2 insertions, 2 deletions

diff --git a/Library/Homebrew/tap.rb b/Library/Homebrew/tap.rb
index 66aa10158..0aabce6c3 100644
--- a/Library/Homebrew/tap.rb
+++ b/Library/Homebrew/tap.rb
@@ -43,8 +43,8 @@ class Tap
 
   def self.from_path(path)
     path.to_s =~ HOMEBREW_TAP_PATH_REGEX
-    raise "Invalid tap path '#{path}'" unless $1
-    fetch($1, $2)
+    raise "Invalid tap path '#{path}'" unless Regexp.last_match(1)
+    fetch(Regexp.last_match(1), Regexp.last_match(2))
   rescue
     # No need to error as a nil tap is sufficient to show failure.
     nil