$ git clone -n https://src.fedoraproject.org/rpms/sentencepiece.git /var/lib/mock/f39-build-2123491-50752/root/chroot_tmpdir/scmroot/sentencepiece
Cloning into '/var/lib/mock/f39-build-2123491-50752/root/chroot_tmpdir/scmroot/sentencepiece'...
$ git fetch origin 229120265ae6b1fe4291fba04339728be6f11a06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sentencepiece
 * [new ref]         229120265ae6b1fe4291fba04339728be6f11a06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2291202 update to 0.1.99