old_contents: #!/usr/bin/env python
  # Copyright (c) 2009, Willow Garage, Inc.
  # All rights reserved.
  # 
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  # 
  #     * Redistributions of source code must retain the above copyright
  #       notice, this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above copyright
  #       notice, this list of conditions and the following disclaimer in the
  #       documentation and/or other materials provided with the distribution.
  #     * Neither the name of the Willow Garage, Inc. nor the names of its
  #       contributors may be used to endorse or promote products derived from
  #       this software without specific prior written permission.
  # 
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  
  # Author Tully Foote/tfoote@willowgarage.com
  
  from linux_helpers import *
  import os
  import base_rosdep
  ###### Macports SPECIALIZATION #########################
  def port_detect(p):
      cmd = ['port', 'installed', p]
      pop = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      (std_out, std_err) = pop.communicate()
      
      return (std_out.count("(active)") > 0)
  
  class Macports(base_rosdep.RosdepBaseOS):
      def check_presence(self):
          filename = "/usr/bin/sw_vers"
          if os.path.exists(filename):
              return True
          return False
      
      def get_version(self):
          return "macports" # macports is a rolling release and isn't versionsed
  
      def get_name(self):
          return "macports"
  
      def strip_detected_packages(self, packages):
          return [p for p in packages if not port_detect(p)] 
  
      def generate_package_install_command(self, packages, default_yes):        
          return "#Packages\nsudo port install " + ' '.join(packages)
  
  ###### END Macports SPECIALIZATION ########################
  
new_contents: #!/usr/bin/env python
  # Copyright (c) 2009, Willow Garage, Inc.
  # All rights reserved.
  # 
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  # 
  #     * Redistributions of source code must retain the above copyright
  #       notice, this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above copyright
  #       notice, this list of conditions and the following disclaimer in the
  #       documentation and/or other materials provided with the distribution.
  #     * Neither the name of the Willow Garage, Inc. nor the names of its
  #       contributors may be used to endorse or promote products derived from
  #       this software without specific prior written permission.
  # 
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  
  # Author Tully Foote/tfoote@willowgarage.com
  
  from linux_helpers import *
  import os
  import base_rosdep
  ###### Macports SPECIALIZATION #########################
  def port_detect(p):
      cmd = ['port', 'installed', p]
      pop = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      (std_out, std_err) = pop.communicate()
      
      return (std_out.count("(active)") > 0)
  
  class Macports(base_rosdep.RosdepBaseOS):
      def check_presence(self):
          filename = "/usr/bin/sw_vers"
          if os.path.exists(filename):
              return True
          return False
      
      def get_version(self):
          return "macports" # macports is a rolling release and isn't versionsed
  
      def get_name(self):
          return "macports"
  
      def strip_detected_packages(self, packages):
          return [p for p in packages if not port_detect(p)] 
  
      def generate_package_install_command(self, packages, default_yes):        
          if len(packages) < 1:
              return "#No packages to install"
          return "#Packages\nsudo port install " + ' '.join(packages)
  
  ###### END Macports SPECIALIZATION ########################
  
subject: fix for #2502