$ git clone -n https://src.fedoraproject.org/rpms/sockperf.git /var/lib/mock/f40-build-771174-125925/root/chroot_tmpdir/scmroot/sockperf
Cloning into '/var/lib/mock/f40-build-771174-125925/root/chroot_tmpdir/scmroot/sockperf'...
$ git fetch origin c9a14a7175163c4e17db5b91b21664937875cf5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sockperf
 * [new ref]         c9a14a7175163c4e17db5b91b21664937875cf5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9a14a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild