$ git clone -n https://src.fedoraproject.org/rpms/openmp18.git /var/lib/mock/f41-build-side-1-3095856-39313/root/chroot_tmpdir/scmroot/openmp18
Cloning into '/var/lib/mock/f41-build-side-1-3095856-39313/root/chroot_tmpdir/scmroot/openmp18'...
$ git fetch origin ffc79932beeb3fa08de1b6994c89be5da6c57511:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openmp18
 * [new ref]         ffc79932beeb3fa08de1b6994c89be5da6c57511 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffc7993 Added the README