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Description: Piston is a utility that eases vendor branch management. This repository is a complete reimplementation of Piston to provide different backends, depending on the repositories and working copies you pistonize from.
Homepage: http://piston.rubyforge.org/
Clone URL: git://github.com/francois/piston.git
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Refactored Piston::Commands::Base to automatically call #validate! on the 
returned working copy.

No need to call #validate! in each subcommand anymore.
francois (author)
Tue May 13 15:53:10 -0700 2008
commit  e3ecdb9457fe4604d79a9b159bf88140041150a0
tree    5de02efd60b52ae51113dac9d92df7a92fef0b3f
parent  f22e7087d60160c403ef851b4e2cad6c16b98ba1
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lib/piston/commands/base.rb 
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@@ -31,7 +31,13 @@
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       end
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       def guess_wc(wcdir)
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-        working_copy = Piston::WorkingCopy.guess(wcdir)
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+        Piston::WorkingCopy.guess(wcdir)
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+      end
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+      
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+      def working_copy!(wcdir)
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+        wc = guess_wc(wcdir)
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+        wc.validate!
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+        wc
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       end
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     end
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   end
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lib/piston/commands/info.rb 
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       attr_reader :options
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       def run(wcdir)
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-        working_copy = guess_wc(wcdir)
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-        working_copy.validate!
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+        working_copy = working_copy!(wcdir)
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         working_copy.info.to_yaml
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       end
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     end
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lib/piston/commands/lock_unlock.rb 
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       attr_reader :options
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       def run(wcdir, lock)
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-        working_copy = guess_wc(wcdir)
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-        working_copy.validate!
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+        working_copy = working_copy!(wcdir)
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         values = working_copy.recall
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         values["lock"] = lock
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lib/piston/commands/update.rb 
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       # +wcdir+ is the working copy we're going to change.
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       # +to+ is the new target revision we want to be at after update returns.
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       def run(wcdir, to)
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-        working_copy = guess_wc(wcdir)
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-        working_copy.validate!
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+        working_copy = working_copy!(wcdir)
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         logger.debug {"Recalling previously saved values"}
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         values = working_copy.recall

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