~/xmake/core$ xmake
error: /usr/local/share/xmake/core/base/option.lua:94: assertion failed!
stack traceback:
	[C]: in function 'assert'
	/usr/local/share/xmake/core/base/option.lua:94: in function '_context'
	/usr/local/share/xmake/core/base/option.lua:787: in function 'options'
	/usr/local/share/xmake/core/base/option.lua:745: in function 'get'
	/usr/local/share/xmake/core/base/utils.lua:37: in function '_print'
	/usr/local/share/xmake/core/base/utils.lua:78: in function 'cprint'
	/usr/local/share/xmake/core/base/utils.lua:118: in function 'error'
	/usr/local/share/xmake/core/main.lua:113: in function </usr/local/share/xmake/core/main.lua:105>