$ git clone -n https://src.fedoraproject.org/rpms/memkind.git /var/lib/mock/f39-build-1966917-43295/root/chroot_tmpdir/scmroot/memkind
Cloning into '/var/lib/mock/f39-build-1966917-43295/root/chroot_tmpdir/scmroot/memkind'...
$ git fetch origin 7c06198128fa872eb3156ffe13f385b9d8d12ac3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/memkind
 * [new ref]         7c06198128fa872eb3156ffe13f385b9d8d12ac3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c06198 SPDX migration