$ git clone -n https://src.fedoraproject.org/rpms/python3-greenlet.git /var/lib/mock/f39-build-2566967-62096/root/chroot_tmpdir/scmroot/python3-greenlet
Cloning into '/var/lib/mock/f39-build-2566967-62096/root/chroot_tmpdir/scmroot/python3-greenlet'...
$ git fetch origin ca105b228509ca6ed4f581bd4cd25ba760b67143:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-greenlet
 * [new ref]         ca105b228509ca6ed4f581bd4cd25ba760b67143 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca105b2 Initial setup of the repo