Make bash completion for `upgrade` smarter
Make bash completion for `upgrade` smarter

Signed-off-by: Jack Nagel <43386ce32af96f5c56f2a88e458cb94cebee3751@gmail.com>

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