$ git clone -n https://src.fedoraproject.org/rpms/OpenImageIO.git /var/lib/mock/f38-build-728122-101035/root/chroot_tmpdir/scmroot/OpenImageIO
Cloning into '/var/lib/mock/f38-build-728122-101035/root/chroot_tmpdir/scmroot/OpenImageIO'...
$ git fetch origin 5cceaee69610343f6fb1e289210281df65b48d7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenImageIO
 * [new ref]         5cceaee69610343f6fb1e289210281df65b48d7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cceaee Update to 2.4.12.0.