old_contents: import yaml
  import os
  
  LOCAL_OSMOSIS = 'localhost:1010'
  OFFICIAL_OSMOSIS = None
  OFFICIAL_BUILD = False
  WITH_OFFICIAL_OBJECT_STORE = True
  CLEAN = False
  
  
  def load(filename):
      with open(filename) as f:
          data = yaml.load(f.read())
      if data is None:
          raise Exception("Configuration file must not be empty")
      globals().update(data)
      if 'SOLVENT_CONFIG' in os.environ:
          data = yaml.load(os.environ['SOLVENT_CONFIG'])
          globals().update(data)
      if 'SOLVENT_CLEAN' in os.environ:
          global CLEAN
          CLEAN = True
      if WITH_OFFICIAL_OBJECT_STORE and OFFICIAL_OSMOSIS is None:
          raise Exception("Configuration file must contain 'OFFICIAL_OSMOSIS' field")
  
  
  def objectStoresOsmosisParameter():
      if WITH_OFFICIAL_OBJECT_STORE:
          return LOCAL_OSMOSIS + "+" + OFFICIAL_OSMOSIS
      else:
          return LOCAL_OSMOSIS
  
new_contents: import yaml
  import os
  
  LOCAL_OSMOSIS_IF_ROOT = 'localhost:1010'
  LOCAL_OSMOSIS_IF_NOT_ROOT = 'localhost:1010'
  LOCAL_OSMOSIS = None
  OFFICIAL_OSMOSIS = None
  OFFICIAL_BUILD = False
  WITH_OFFICIAL_OBJECT_STORE = True
  CLEAN = False
  
  
  def load(filename):
      with open(filename) as f:
          data = yaml.load(f.read())
      if data is None:
          raise Exception("Configuration file must not be empty")
      globals().update(data)
      if 'SOLVENT_CONFIG' in os.environ:
          data = yaml.load(os.environ['SOLVENT_CONFIG'])
          globals().update(data)
      if 'SOLVENT_CLEAN' in os.environ:
          global CLEAN
          CLEAN = True
      if WITH_OFFICIAL_OBJECT_STORE and OFFICIAL_OSMOSIS is None:
          raise Exception("Configuration file must contain 'OFFICIAL_OSMOSIS' field")
      global LOCAL_OSMOSIS
      if LOCAL_OSMOSIS is None:
          if os.getuid() == 0:
              LOCAL_OSMOSIS = LOCAL_OSMOSIS_IF_ROOT
          else:
              LOCAL_OSMOSIS = LOCAL_OSMOSIS_IF_NOT_ROOT
  
  
  def objectStoresOsmosisParameter():
      if WITH_OFFICIAL_OBJECT_STORE:
          return LOCAL_OSMOSIS + "+" + OFFICIAL_OSMOSIS
      else:
          return LOCAL_OSMOSIS
  
subject: Select local osmosis depends if user is root, to avoid permission denied on /var/lib/osmosis