+ def self.munge_manifest_locators(manifest)
+ # Given a manifest text and a block, yield each locator,
+ # and replace it with whatever the block returns.
+ manifest.andand.gsub!(/ [[:xdigit:]]{32}(\+[[:digit:]]+)?(\+\S+)/) do |word|
+ if loc = Locator.parse(word.strip)
+ " " + yield(loc)
+ else
+ " " + word
+ end
+ end
+ end
+