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Only call proc if it is set

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Fixes Homebrew/homebrew#30723.
Fixes Homebrew/homebrew#30724.
Fixes Homebrew/homebrew#30727.
This commit is contained in:
Jack Nagel 2014-07-07 19:47:10 -05:00
parent 3e326b79fe
commit 23b4da18c2
1 changed files with 1 additions and 1 deletions
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Library/Homebrew/build_environment.rb
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@ -25,7 +25,7 @@ class BuildEnvironment
end
def modify_build_environment(receiver)
receiver.instance_eval(&proc)
receiver.instance_eval(&proc) if self.proc
end
def marshal_dump