import sys,os
if len(sys.argv) == 1:
  raise Exception('missing command')

parsedname = None
enablelog = False
argv = sys.argv
if len(argv) >= 2:
  if '/etc/service' in argv[1] or 'runit-service' in argv[1]:
    parsedname = argv[1]
    argv = argv[2:]
  else:
    if 'withlog' == argv[1]:
      enablelog = True
      argv = argv[2:]

if argv and 'withlog' == argv[0]:
  if not parsedname:
    raise Exception('cant enable log')
  else:
    enablelog = True
    argv = argv[1:]

if not argv:
  raise Exception("no command?")

prefix = '#!/bin/sh\nexec 2>&1'
cmd = ' '.join(argv)
if parsedname:
  print('mkdir -p %s' % parsedname)
  print('cat > %s/run << EOF' % parsedname)
  print(prefix)
  print('exec %s' % cmd)
  print('EOF')
  print('chmod +x %s/run' % parsedname)

  if enablelog:
    print('mkdir -p %s/log' % parsedname)
    print('cat > %s/log/run << EOF' % parsedname)
    print('#!/bin/sh')
    print('LOGPATH=%s/logfile' % parsedname) # Note: edit path if required
    print('mkdir -p \$LOGPATH')
    print('# chown syslog \$LOGPATH')
    print('# Note: may use chpst -u syslog')
    print('exec /usr/bin/svlogd -tt \$LOGPATH')
    print('EOF')
    print('chmod +x %s/log/run' % parsedname)