MacOS.locate: search HOMEBREW_PREFIX before xcrun
MacOS.locate: search HOMEBREW_PREFIX before xcrun

Since xcrun doesn't work on CLT-only systems. Querying HOMEBREW_PREFIX
first before xcrun is much faster for that case.

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