$ git clone -n https://src.fedoraproject.org/rpms/memkind.git /var/lib/mock/f41-build-1042230-18998/root/chroot_tmpdir/scmroot/memkind
Cloning into '/var/lib/mock/f41-build-1042230-18998/root/chroot_tmpdir/scmroot/memkind'...
$ git fetch origin 22f3f506694bb750f762fab87a943239704fdd38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/memkind
 * [new ref]         22f3f506694bb750f762fab87a943239704fdd38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22f3f50 Eliminate use of obsolete %patchN syntax (#2283636)