$ git clone -n https://src.fedoraproject.org/rpms/OpenImageIO.git /var/lib/mock/f40-build-780312-130929/root/chroot_tmpdir/scmroot/OpenImageIO
Cloning into '/var/lib/mock/f40-build-780312-130929/root/chroot_tmpdir/scmroot/OpenImageIO'...
$ git fetch origin d965f868314b59d3e959cec968050f4f017a856e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenImageIO
 * [new ref]         d965f868314b59d3e959cec968050f4f017a856e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d965f86 Add patch to fix bad SIMD commit.