$ git clone -n https://src.fedoraproject.org/rpms/python-bracex.git /var/lib/mock/f45-build-29857-641/root/chroot_tmpdir/scmroot/python-bracex
Cloning into '/var/lib/mock/f45-build-29857-641/root/chroot_tmpdir/scmroot/python-bracex'...
$ git fetch origin 6f807d59c33ee06c4bfbc0c4052e06e41c73062c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-bracex
 * [new ref]         6f807d59c33ee06c4bfbc0c4052e06e41c73062c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f807d5 Update to 3.0.1 version (#2502802)