$ git clone -n https://src.fedoraproject.org/rpms/parcellite.git /var/lib/mock/f45-build-21378-584/root/chroot_tmpdir/scmroot/parcellite
Cloning into '/var/lib/mock/f45-build-21378-584/root/chroot_tmpdir/scmroot/parcellite'...
$ git fetch origin aa9d09347386a2384ef50e7992a1818c8021f30e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/parcellite
 * [new ref]         aa9d09347386a2384ef50e7992a1818c8021f30e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa9d093 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild