$ git clone -n https://src.fedoraproject.org/rpms/reuse.git /var/lib/mock/f39-build-1683389-41053/root/chroot_tmpdir/scmroot/reuse
Cloning into '/var/lib/mock/f39-build-1683389-41053/root/chroot_tmpdir/scmroot/reuse'...
$ git fetch origin c1953cd70ffeb7b8becf7efac1d157fbeaca56a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/reuse
 * [new ref]         c1953cd70ffeb7b8becf7efac1d157fbeaca56a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1953cd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild