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-rw-r--r--Library/Homebrew/formula.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index f0b6f70bf..da375d8a7 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1008,7 +1008,8 @@ class Formula
# rarely, you don't want your library symlinked into the main prefix
# see gettext.rb for an example
def keg_only?
- !!keg_only_reason && keg_only_reason.valid?
+ return false unless keg_only_reason
+ keg_only_reason.valid?
end
# @private