$ git clone -n https://src.fedoraproject.org/rpms/spectrographic.git /var/lib/mock/f39-build-1595529-38327/root/chroot_tmpdir/scmroot/spectrographic
Cloning into '/var/lib/mock/f39-build-1595529-38327/root/chroot_tmpdir/scmroot/spectrographic'...
$ git fetch origin 144f718ec11851185c8d79fec99db6a7994b4b5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spectrographic
 * [new ref]         144f718ec11851185c8d79fec99db6a7994b4b5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 144f718 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild