Fixed issue #3011: clone: --bare and --origin options are incompatible

cf.

1. https://github.com/git/git/commit/4fb66a62eeb7bfec115cd0058d7a05ab62fc23e7
2. https://stackoverflow.com/questions/19434441/why-are-git-clone-bare-and-origin-incompatible
3. https://git-scm.com/docs/git-clone