$ git clone -n https://src.fedoraproject.org/rpms/OpenImageIO.git /var/lib/mock/f40-build-2721763-73086/root/chroot_tmpdir/scmroot/OpenImageIO
Cloning into '/var/lib/mock/f40-build-2721763-73086/root/chroot_tmpdir/scmroot/OpenImageIO'...
$ git fetch origin e2c9b83163636922867f3b9fee0f7b6ac44bab1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenImageIO
 * [new ref]         e2c9b83163636922867f3b9fee0f7b6ac44bab1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2c9b83 There's no longer a circular dependency with OIIO and OCIO.