$ git clone -n https://src.fedoraproject.org/rpms/python-cloud-sptheme.git /var/lib/mock/f45-build-29945-642/root/chroot_tmpdir/scmroot/python-cloud-sptheme
Cloning into '/var/lib/mock/f45-build-29945-642/root/chroot_tmpdir/scmroot/python-cloud-sptheme'...
$ git fetch origin bfe948a82705567dffed7dab150954efb65cae8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cloud-sptheme
 * [new ref]         bfe948a82705567dffed7dab150954efb65cae8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfe948a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild