$ git clone -n https://src.fedoraproject.org/rpms/dtkcore.git /var/lib/mock/f38-build-722160-98731/root/chroot_tmpdir/scmroot/dtkcore
Cloning into '/var/lib/mock/f38-build-722160-98731/root/chroot_tmpdir/scmroot/dtkcore'...
$ git fetch origin 08f59cc697d85246d340d88dac6b44126e7158d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dtkcore
 * [new ref]         08f59cc697d85246d340d88dac6b44126e7158d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08f59cc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild