option('with_debug', type: 'boolean', value: false, yield: true)
option('commit_id', type: 'string', value:'', yield: true)
option('build_time', type: 'string', value:'', yield: true)
option('dirty_fingerprint', type: 'string', value:'', yield: true)
option('component', type: 'combo',
  choices: ['all', 'xcecore', 'xcecli'],
  value: 'all',
  description: 'Which component(s) to build: all (default, for dev), xcecore (C stack + apiserver), xcecli (CLI only)')