$ git clone -n https://src.fedoraproject.org/rpms/opencity.git /var/lib/mock/f45-build-20997-577/root/chroot_tmpdir/scmroot/opencity
Cloning into '/var/lib/mock/f45-build-20997-577/root/chroot_tmpdir/scmroot/opencity'...
$ git fetch origin 41baf3c3d97b443b0c37b8feacb5a5f8032f0e7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencity
 * [new ref]         41baf3c3d97b443b0c37b8feacb5a5f8032f0e7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41baf3c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild