Set DEVELOPER_DIR; Fixes bad xcode-select path
Set DEVELOPER_DIR; Fixes bad xcode-select path

In cases where the xcode-select -print-path is '/' xcrun still hangs indefinitely, setting DEVELOPER_DIR to something (preferably the Xcode path) fixes that. So let's.
mahori/brew,EricFromCanada/brew,mistydemeo/homebrew,sjackman/homebrew,staticfloat/brew,rwhogg/brew,zmwangx/brew,rwhogg/brew,mgrimes/brew,DomT4/brew,MikeMcQuaid/brew,reitermarkus/brew,reitermarkus/brew,rwhogg/brew,aw1621107/brew,alyssais/brew,reitermarkus/brew,mahori/brew,reelsense/brew,Homebrew/brew,JCount/brew,Homebrew/brew,gordonmcshane/homebrew,AnastasiaSulyagina/brew,hanxue/linuxbrew,alyssais/brew,vitorgalvao/brew,nandub/brew,jmsundar/brew,gregory-nisbet/brew,palxex/brew,zmwangx/brew,Linuxbrew/brew,Linuxbrew/brew,MikeMcQuaid/brew,toonetown/homebrew,tonyg/homebrew,aw1621107/brew,Linuxbrew/brew,gregory-nisbet/brew,reelsense/brew,ilovezfs/brew,gordonmcshane/homebrew,JCount/brew,toonetown/homebrew,ilovezfs/brew,tonyg/homebrew,toonetown/homebrew,amar-laksh/brew_sudo,JCount/brew,muellermartin/dist,pseudocody/brew,pseudocody/brew,reelsense/brew,EricFromCanada/brew,vitorgalvao/brew,nandub/brew,vitorgalvao/brew,konqui/brew,pseudocody/brew,DomT4/brew,JCount/brew,konqui/brew,jmsundar/brew,nandub/brew,staticfloat/brew,mistydemeo/homebrew,amar-laksh/brew_sudo,claui/brew,MikeMcQuaid/brew,mahori/brew,bfontaine/brew,ilovezfs/brew,bfontaine/brew,vitorgalvao/brew,EricFromCanada/brew,Linuxbrew/brew,konqui/brew,tonyg/homebrew,palxex/brew,amar-laksh/brew_sudo,claui/brew,nandub/brew,zmwangx/brew,DomT4/brew,muellermartin/dist,sjackman/homebrew,sjackman/homebrew,AnastasiaSulyagina/brew,DomT4/brew,alyssais/brew,staticfloat/brew,hanxue/linuxbrew,Homebrew/brew,muellermartin/dist,mgrimes/brew,palxex/brew,gordonmcshane/homebrew,gregory-nisbet/brew,mistydemeo/homebrew,konqui/brew,maxim-belkin/brew,claui/brew,MikeMcQuaid/brew,mgrimes/brew,claui/brew,Homebrew/brew,mahori/brew,aw1621107/brew,jmsundar/brew,AnastasiaSulyagina/brew,maxim-belkin/brew,hanxue/linuxbrew,reitermarkus/brew,sjackman/homebrew,bfontaine/brew,EricFromCanada/brew,maxim-belkin/brew