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theirix/check-latest-hg.rb

Created May 25, 2014 09:57
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Check latest hg version for OS X 10.9
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check-latest-hg.rb
require 'open-uri'
require 'rkelly'
ast = RKelly::Parser.new.parse(open('http://mercurial.selenic.com/sources.js').read)
ast.pointcut(RKelly::Nodes::ArrayNode).matches[1..-1].each do |node|
elements = node.pointcut(RKelly::Nodes::StringNode).matches
if elements.any? { |v| v.value =~ /Mercurial.*MacOS.*10\.9/ }
puts elements[0].value[1...-1] + ' at ' + elements[2].value[1...-1]
end
end
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