migrator: use Tap#core_tap?
migrator: use Tap#core_tap?

gordonmcshane/homebrew,alyssais/brew,sjackman/homebrew,palxex/brew,amar-laksh/brew_sudo,maxim-belkin/brew,muellermartin/dist,claui/brew,maxim-belkin/brew,zmwangx/brew,bfontaine/brew,aw1621107/brew,palxex/brew,tonyg/homebrew,vitorgalvao/brew,sjackman/homebrew,EricFromCanada/brew,reitermarkus/brew,MikeMcQuaid/brew,claui/brew,nandub/brew,EricFromCanada/brew,hanxue/linuxbrew,aw1621107/brew,amar-laksh/brew_sudo,aw1621107/brew,mistydemeo/homebrew,gregory-nisbet/brew,mahori/brew,vitorgalvao/brew,sjackman/homebrew,AnastasiaSulyagina/brew,EricFromCanada/brew,staticfloat/brew,pseudocody/brew,DomT4/brew,Homebrew/brew,staticfloat/brew,staticfloat/brew,mahori/brew,EricFromCanada/brew,konqui/brew,Linuxbrew/brew,reitermarkus/brew,claui/brew,MikeMcQuaid/brew,zmwangx/brew,muellermartin/dist,Linuxbrew/brew,amar-laksh/brew_sudo,toonetown/homebrew,bfontaine/brew,JCount/brew,jmsundar/brew,Homebrew/brew,zmwangx/brew,claui/brew,bfontaine/brew,Homebrew/brew,JCount/brew,hanxue/linuxbrew,mahori/brew,gregory-nisbet/brew,rwhogg/brew,reelsense/brew,MikeMcQuaid/brew,konqui/brew,tonyg/homebrew,reelsense/brew,ilovezfs/brew,mistydemeo/homebrew,Homebrew/brew,ilovezfs/brew,sjackman/homebrew,mahori/brew,muellermartin/dist,alyssais/brew,AnastasiaSulyagina/brew,jmsundar/brew,mgrimes/brew,nandub/brew,mistydemeo/homebrew,DomT4/brew,AnastasiaSulyagina/brew,tonyg/homebrew,JCount/brew,pseudocody/brew,rwhogg/brew,pseudocody/brew,alyssais/brew,DomT4/brew,MikeMcQuaid/brew,mgrimes/brew,toonetown/homebrew,Linuxbrew/brew,nandub/brew,jmsundar/brew,DomT4/brew,konqui/brew,ilovezfs/brew,gordonmcshane/homebrew,reelsense/brew,hanxue/linuxbrew,reitermarkus/brew,JCount/brew,gregory-nisbet/brew,mgrimes/brew,konqui/brew,reitermarkus/brew,rwhogg/brew,toonetown/homebrew,vitorgalvao/brew,gordonmcshane/homebrew,Linuxbrew/brew,maxim-belkin/brew,vitorgalvao/brew,palxex/brew,nandub/brew