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Check that the cellar exists in Formula.installed

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Fixes Homebrew/homebrew#21741.
This commit is contained in:
Jack Nagel 2013-08-10 19:56:28 -05:00
parent 966e82663f
commit 14dd61fc87
1 changed files with 2 additions and 0 deletions
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2
Library/Homebrew/formula.rb
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@ -355,6 +355,8 @@ class Formula
end end
def self.installed def self.installed
return [] unless HOMEBREW_CELLAR.directory?
HOMEBREW_CELLAR.children.map do |rack| HOMEBREW_CELLAR.children.map do |rack|
begin begin
factory(rack.basename.to_s) factory(rack.basename.to_s)