caveats: handle non-Homebrew plists.
caveats: handle non-Homebrew plists.

Mentioned in Homebrew/homebrew#34484.
sjackman/homebrew,amar-laksh/brew_sudo,JCount/brew,Homebrew/brew,mistydemeo/homebrew,muellermartin/dist,konqui/brew,rwhogg/brew,sjackman/homebrew,MikeMcQuaid/brew,vitorgalvao/brew,gordonmcshane/homebrew,ilovezfs/brew,alyssais/brew,konqui/brew,nandub/brew,DomT4/brew,palxex/brew,pseudocody/brew,Linuxbrew/brew,sjackman/homebrew,amar-laksh/brew_sudo,konqui/brew,mgrimes/brew,toonetown/homebrew,Linuxbrew/brew,mistydemeo/homebrew,EricFromCanada/brew,gordonmcshane/homebrew,nandub/brew,staticfloat/brew,mahori/brew,aw1621107/brew,jmsundar/brew,AnastasiaSulyagina/brew,palxex/brew,toonetown/homebrew,MikeMcQuaid/brew,toonetown/homebrew,gregory-nisbet/brew,reitermarkus/brew,mgrimes/brew,sjackman/homebrew,MikeMcQuaid/brew,bfontaine/brew,reelsense/brew,EricFromCanada/brew,MikeMcQuaid/brew,mistydemeo/homebrew,vitorgalvao/brew,maxim-belkin/brew,AnastasiaSulyagina/brew,Linuxbrew/brew,EricFromCanada/brew,DomT4/brew,Linuxbrew/brew,Homebrew/brew,tonyg/homebrew,muellermartin/dist,mahori/brew,alyssais/brew,gordonmcshane/homebrew,amar-laksh/brew_sudo,aw1621107/brew,JCount/brew,DomT4/brew,tonyg/homebrew,mahori/brew,jmsundar/brew,nandub/brew,Homebrew/brew,alyssais/brew,muellermartin/dist,maxim-belkin/brew,hanxue/linuxbrew,jmsundar/brew,claui/brew,reelsense/brew,gregory-nisbet/brew,konqui/brew,Homebrew/brew,JCount/brew,tonyg/homebrew,staticfloat/brew,zmwangx/brew,zmwangx/brew,bfontaine/brew,hanxue/linuxbrew,pseudocody/brew,reitermarkus/brew,DomT4/brew,reitermarkus/brew,EricFromCanada/brew,nandub/brew,claui/brew,palxex/brew,vitorgalvao/brew,reelsense/brew,maxim-belkin/brew,bfontaine/brew,reitermarkus/brew,claui/brew,hanxue/linuxbrew,ilovezfs/brew,staticfloat/brew,pseudocody/brew,JCount/brew,claui/brew,zmwangx/brew,gregory-nisbet/brew,mgrimes/brew,ilovezfs/brew,AnastasiaSulyagina/brew,mahori/brew,rwhogg/brew,vitorgalvao/brew,aw1621107/brew,rwhogg/brew