$ git clone -n https://src.fedoraproject.org/rpms/opensubdiv.git /var/lib/mock/f41-build-845926-162860/root/chroot_tmpdir/scmroot/opensubdiv
Cloning into '/var/lib/mock/f41-build-845926-162860/root/chroot_tmpdir/scmroot/opensubdiv'...
$ git fetch origin 5fcdd67ad880d7f9741bd6e878ff361e15a3f5f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opensubdiv
 * [new ref]         5fcdd67ad880d7f9741bd6e878ff361e15a3f5f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fcdd67 Update to 3.6.0