$ git clone -n https://src.fedoraproject.org/rpms/python-mock-ssh-server.git /var/lib/mock/f45-build-31605-654/root/chroot_tmpdir/scmroot/python-mock-ssh-server
Cloning into '/var/lib/mock/f45-build-31605-654/root/chroot_tmpdir/scmroot/python-mock-ssh-server'...
$ git fetch origin 4f7a2d1fbc731b71794f4e56e52ccd001fcb1b39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mock-ssh-server
 * [new ref]         4f7a2d1fbc731b71794f4e56e52ccd001fcb1b39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f7a2d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild