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// file      : build2/version/rule -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license   : MIT; see accompanying LICENSE file

#ifndef BUILD2_VERSION_RULE
#define BUILD2_VERSION_RULE

#include <build2/types>
#include <build2/utility>

#include <build2/rule>

namespace build2
{
  namespace version
  {
    // Generate a version file.
    //
    class version_doc: public rule
    {
    public:
      version_doc () {}

      virtual match_result
      match (action, target&, const string&) const override;

      virtual recipe
      apply (action, target&) const override;

      static target_state
      perform_update (action, const target&);
    };
  }
}

#endif // BUILD2_VERSION_RULE