$ git clone -n https://src.fedoraproject.org/rpms/openvdb.git /var/lib/mock/f45-build-21137-579/root/chroot_tmpdir/scmroot/openvdb
Cloning into '/var/lib/mock/f45-build-21137-579/root/chroot_tmpdir/scmroot/openvdb'...
$ git fetch origin a007f67c067e24b087d2d1f4c5ca98f60efa9a55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openvdb
 * [new ref]         a007f67c067e24b087d2d1f4c5ca98f60efa9a55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a007f67 Disable ctest