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Don't link_dir if the target doesn't exist.

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Fixes Homebrew/homebrew#1115 for Ruby 1.9, thanks to assaf.
This commit is contained in:
Adam Vandenberg 2010-04-04 13:45:02 -07:00
parent d2b2ecbd0b
commit fb9f4bbccc
1 changed files with 1 additions and 0 deletions
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Library/Homebrew/keg.rb
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@ -80,6 +80,7 @@ protected
# symlinks the contents of self+foo recursively into /usr/local/foo # symlinks the contents of self+foo recursively into /usr/local/foo
def link_dir foo def link_dir foo
root = self+foo root = self+foo
return unless root.exist?
root.find do |src| root.find do |src|
next if src == root next if src == root