$ git clone -n https://src.fedoraproject.org/rpms/lunasvg.git /var/lib/mock/f42-build-864510-172372/root/chroot_tmpdir/scmroot/lunasvg
Cloning into '/var/lib/mock/f42-build-864510-172372/root/chroot_tmpdir/scmroot/lunasvg'...
$ git fetch origin ec898dc184f3038ec4f3d0d4c05b4fc52c17ae3c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lunasvg
 * [new ref]         ec898dc184f3038ec4f3d0d4c05b4fc52c17ae3c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec898dc update to 3.1.0