formula: fix link_overwrite?

Fixes #7921
2020-07-06 17:02:58 +01:00 · 2020-07-06 17:02:58 +01:00 · 7015fb1601
commit 7015fb1601
parent 7ed2ddd349
1 changed files with 1 additions and 1 deletions
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@ -1119,7 +1119,7 @@ class Formula
        return false # this keg belongs to another formula
      else
        # this keg belongs to another unrelated formula
-        return false unless (f.aliases + f.oldname).include?(keg.name)
+        return false unless (Array(f.aliases) + Array(f.oldname)).include?(keg.name)
      end
    end
    to_check = path.relative_path_from(HOMEBREW_PREFIX).to_s