The normal and bare repositories are pretty similar, only the mirror one sticks out. This is due to the refspec fetch on the mirror repository, +refs/*:refs/*, which will fetch all refs from the remote and not just refs/heads/* and refs/tags/* as a normal repository (and a bare repository) does. The many different ref namespaces on the JGit repository is because the JGit repository is managed by Gerrit Code Review. It uses different namespaces for repository-specific content, such as change branches for all commits submitted for code review, and metadata on code review score.
The mirror repositories are ideal when you would like a quick way to back up a Git repository. It ensures that you have everything included without the ...
