$ git clone -n https://src.fedoraproject.org/rpms/OpenImageIO.git /var/lib/mock/f41-build-808150-145693/root/chroot_tmpdir/scmroot/OpenImageIO
Cloning into '/var/lib/mock/f41-build-808150-145693/root/chroot_tmpdir/scmroot/OpenImageIO'...
$ git fetch origin 8fd37b611e569d59310725cd164ee5b264d87590:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenImageIO
 * [new ref]         8fd37b611e569d59310725cd164ee5b264d87590 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fd37b6 Rebuilt for OpenColorIO 2.3.2