old_contents: # -*- coding: utf-8 -*-
  '''
  Classification of Salt exit codes.  These are intended to augment
  universal exit codes (found in Python's `os` module with the `EX_`
  prefix or in `sysexits.h`).
  '''
  
  # Too many situations use "exit 1" - try not to use it when something
  # else is more appropriate.
  EX_GENERIC = 1
  
  # Salt SSH "Thin" deployment failures
  EX_THIN_PYTHON_OLD = 10
  EX_THIN_DEPLOY = 11
  EX_THIN_CHECKSUM = 12
  
new_contents: # -*- coding: utf-8 -*-
  '''
  Classification of Salt exit codes.  These are intended to augment
  universal exit codes (found in Python's `os` module with the `EX_`
  prefix or in `sysexits.h`).
  '''
  
  # Too many situations use "exit 1" - try not to use it when something
  # else is more appropriate.
  EX_GENERIC = 1
  
  # Salt SSH "Thin" deployment failures
  EX_THIN_PYTHON_OLD = 10
  EX_THIN_DEPLOY = 11
  EX_THIN_CHECKSUM = 12
  
  # The os.EX_* exit codes are Unix only so in the interest of cross-platform
  # compatiblility define them explicitly here.
  #
  # These constants are documented here:
  # https://docs.python.org/2/library/os.html#os.EX_OK
  
  EX_OK = 0
  EX_NOUSER = 67
  EX_UNAVAILABLE = 69
  EX_CANTCREAT = 73
  EX_SOFTWARE = 70
  EX_USAGE = 64
  
subject: add more constants to exitcodes.py