$ git clone -n https://src.fedoraproject.org/rpms/opentoonz.git /var/lib/mock/f41-build-823101-153468/root/chroot_tmpdir/scmroot/opentoonz
Cloning into '/var/lib/mock/f41-build-823101-153468/root/chroot_tmpdir/scmroot/opentoonz'...
$ git fetch origin 65181ee7976715349ff21f7e62cafd3d7cd87423:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opentoonz
 * [new ref]         65181ee7976715349ff21f7e62cafd3d7cd87423 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65181ee Rebuild for opencv 4.10.0