Add --reverse option to replace-fork script (#20249)
Add --reverse option to replace-fork script (#20249)

When enabled, replaces new fork with old fork.

I've done this several times by manually editing the script file, so
seems useful enough to add an option.
facebook/react,yungsters/react,mosoft521/react,camsong/react,trueadm/react,acdlite/react,yungsters/react,camsong/react,tomocchino/react,ArunTesco/react,yungsters/react,cpojer/react,acdlite/react,acdlite/react,trueadm/react,cpojer/react,tomocchino/react,ArunTesco/react,mosoft521/react,terminatorheart/react,trueadm/react,cpojer/react,terminatorheart/react,trueadm/react,yungsters/react,acdlite/react,trueadm/react,facebook/react,camsong/react,facebook/react,yungsters/react,camsong/react,yungsters/react,cpojer/react,yungsters/react,terminatorheart/react,tomocchino/react,terminatorheart/react,cpojer/react,cpojer/react,mosoft521/react,trueadm/react,tomocchino/react,facebook/react,camsong/react,terminatorheart/react,mosoft521/react,trueadm/react,mosoft521/react,ArunTesco/react,tomocchino/react,facebook/react,acdlite/react,tomocchino/react,terminatorheart/react,mosoft521/react,mosoft521/react,cpojer/react,acdlite/react,tomocchino/react,camsong/react,facebook/react,facebook/react,camsong/react,acdlite/react