subcomplete.lua: modify for support not git command
subcomplete.lua: modify for support not git command

tyochiai/nyagos,kissthink/nyagos,nocd5/nyagos,zetamatta/nyagos,tsuyoshicho/nyagos,kissthink/nyagos,kissthink/nyagos,hattya/nyagos,hattya/nyagos,hattya/nyagos