bbcp: move to head-only
bbcp: move to head-only

Closes Homebrew/homebrew#38769.

Signed-off-by: Tim D. Smith <46f1a0bd5592a2f9244ca321b129902a06b53e03@tim-smith.us>

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