install: f.oldname can be nil
install: f.oldname can be nil

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