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Diffstat (limited to 'lib/chef/monkey_patches/regexp.rb')
-rw-r--r-- | lib/chef/monkey_patches/regexp.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/chef/monkey_patches/regexp.rb b/lib/chef/monkey_patches/regexp.rb new file mode 100644 index 0000000000..9304209edf --- /dev/null +++ b/lib/chef/monkey_patches/regexp.rb @@ -0,0 +1,34 @@ +# Copyright (c) 2009 Marc-Andre Lafortune +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +class Regexp + # Standard in Ruby 1.8.7+. See official documentation[http://www.ruby-doc.org/core-1.8.7/classes/Regexp.html] + class << self + unless (union(%w(a b)) rescue false) + alias :union_without_array_argument :union + + def union(*arg) + return union_without_array_argument(*arg) unless arg.size == 1 + union_without_array_argument(*arg.first) + end + end + end +end
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