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-rw-r--r--Library/Homebrew/cmd/install.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 755d944dc..a1e13d9e6 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -19,7 +19,7 @@ module Homebrew
user = $1
repo = $2.sub(/^homebrew-/, "")
tap = Tap.fetch(user, repo)
- tap.install
+ tap.install unless tap.installed?
end
end unless ARGV.force?