$ git clone -n https://src.fedoraproject.org/rpms/python-httmock.git /var/lib/mock/f45-build-31006-649/root/chroot_tmpdir/scmroot/python-httmock
Cloning into '/var/lib/mock/f45-build-31006-649/root/chroot_tmpdir/scmroot/python-httmock'...
$ git fetch origin 81796b9f14853c2fec3d426e49df77fd285ec019:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-httmock
 * [new ref]         81796b9f14853c2fec3d426e49df77fd285ec019 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81796b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild