old_contents: from distutils.core import setup
  import os
  import platform
  import py2app
  import shutil
  import sys
  
  def copystat(src, dst):
      st = os.stat(src)
      mode = shutil.stat.S_IMODE(st.st_mode)
      os.utime(dst, (st.st_atime, st.st_mtime))
      os.chmod(dst, mode)
  shutil.copystat = copystat
  
  install_path = os.environ["HOME"] + '/Library/Mail/Bundles'
  mail_path = '/Applications/Mail.app/Contents/Info'
  
  command = 'defaults read %s CFBundleShortVersionString' % mail_path
  if tuple(map(int, os.popen(command).read().strip().split('.'))) < (10, 0):
      sys.stderr.write("MailFlow requires Apple Mail 10.0 or later\n")
      sys.exit(1)
  
  command = 'defaults read %s PluginCompatibilityUUID' % mail_path
  compatibility_uuids = [ os.popen(command).read().strip() ]
  version = '.'.join(platform.mac_ver()[0].split('.')[:2])
  
  sys.argv[1:] = ['py2app'] + sys.argv[1:]
  sys.stdout = open(os.devnull, 'w')
  if os.path.dirname(__file__):
      os.chdir(os.path.dirname(__file__))
  setup(
      name = 'MailFlow',
      plugin = ['MailFlow.py'],
      options = {
          'py2app': {
              'dist_dir': install_path,
              'extension': '.mailbundle',
              'plist': {
                  'CFBundleIdentifier': 'uk.me.cdw.MailFlow',
                  'CFBundleVersion': '1.0',
                  'NSHumanReadableCopyright':
                      'Copyright (C) 2017 Chris Webb <chris@arachsys.com>',
                  'Supported%sPluginCompatibilityUUIDs' % version:
                      compatibility_uuids
              },
              'semi_standalone': True
          }
      },
      setup_requires = ['py2app']
  )
  sys.stdout.close()
  sys.stdout = sys.__stdout__
  print 'Installed compatible MailFlow.mailbundle in %s' % install_path
  
  os.system('defaults write com.apple.mail EnableBundles -bool true')
  os.system('rm -f -r ~/Library/Mail/Bundles\\ \\(Disabled\\)/MailFlow.*')
  os.system('rmdir ~/Library/Mail/Bundles\\ \\(Disabled\\) 2>/dev/null')
  
  print 'Enabled Apple Mail plugin bundles'
  
new_contents: from distutils.core import setup
  import os
  import platform
  import py2app
  import shutil
  import sys
  
  def copystat(src, dst):
      st = os.stat(src)
      mode = shutil.stat.S_IMODE(st.st_mode)
      os.utime(dst, (st.st_atime, st.st_mtime))
      os.chmod(dst, mode)
  shutil.copystat = copystat
  
  install_path = os.environ["HOME"] + '/Library/Mail/Bundles'
  if os.path.exists('/System/Applications/Mail.app'):
      mail_path = '/System/Applications/Mail.app/Contents/Info'
  else:
      mail_path = '/Applications/Mail.app/Contents/Info'
  
  command = 'defaults read %s CFBundleShortVersionString' % mail_path
  if tuple(map(int, os.popen(command).read().strip().split('.'))) < (10, 0):
      sys.stderr.write("MailFlow requires Apple Mail 10.0 or later\n")
      sys.exit(1)
  
  command = 'defaults read %s PluginCompatibilityUUID' % mail_path
  compatibility_uuids = [ os.popen(command).read().strip() ]
  version = '.'.join(platform.mac_ver()[0].split('.')[:2])
  
  sys.argv[1:] = ['py2app'] + sys.argv[1:]
  sys.stdout = open(os.devnull, 'w')
  if os.path.dirname(__file__):
      os.chdir(os.path.dirname(__file__))
  setup(
      name = 'MailFlow',
      plugin = ['MailFlow.py'],
      options = {
          'py2app': {
              'dist_dir': install_path,
              'extension': '.mailbundle',
              'plist': {
                  'CFBundleIdentifier': 'uk.me.cdw.MailFlow',
                  'CFBundleVersion': '1.0',
                  'NSHumanReadableCopyright':
                      'Copyright (C) 2017 Chris Webb <chris@arachsys.com>',
                  'Supported%sPluginCompatibilityUUIDs' % version:
                      compatibility_uuids
              },
              'semi_standalone': True
          }
      },
      setup_requires = ['py2app']
  )
  sys.stdout.close()
  sys.stdout = sys.__stdout__
  print 'Installed compatible MailFlow.mailbundle in %s' % install_path
  
  os.system('defaults write com.apple.mail EnableBundles -bool true')
  os.system('rm -f -r ~/Library/Mail/Bundles\\ \\(Disabled\\)/MailFlow.*')
  os.system('rmdir ~/Library/Mail/Bundles\\ \\(Disabled\\) 2>/dev/null')
  
  print 'Enabled Apple Mail plugin bundles'
  
subject: Fix installer to work on macOS 10.15 and later