问题 Up until recently, I had this file structure: -Repo A |- .git |- files |- Repo B |- .git |- files I then casually checked out a different branch on Repo A (simply switched branches in Github for Mac), immediately switched back, and voilà: -Repo A |- .git |- files |- Repo B Repo B is there but empty! Not even a .git directory! No remotes, and there goes 2 weeks of 3D modelling. (The irony of it all is that my very first 3D-model (before all of this) went corrupt so I figured I'd use git and