$ git clone -n https://src.fedoraproject.org/rpms/OpenImageIO.git /var/lib/mock/f41-build-side-2-python-2692278-30264/root/chroot_tmpdir/scmroot/OpenImageIO
Cloning into '/var/lib/mock/f41-build-side-2-python-2692278-30264/root/chroot_tmpdir/scmroot/OpenImageIO'...
$ git fetch origin dc8cfe24b38ab1c6f98b489c672f770c016faf85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenImageIO
 * [new ref]         dc8cfe24b38ab1c6f98b489c672f770c016faf85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc8cfe2 Update to 2.5.15.0.