$ git clone -n https://src.fedoraproject.org/rpms/libopenshot.git /var/lib/mock/f40-build-786108-134175/root/chroot_tmpdir/scmroot/libopenshot
Cloning into '/var/lib/mock/f40-build-786108-134175/root/chroot_tmpdir/scmroot/libopenshot'...
$ git fetch origin 8c3ab6b8500d91fd308269fc50a9486abb8e02ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libopenshot
 * [new ref]         8c3ab6b8500d91fd308269fc50a9486abb8e02ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c3ab6b Rebuild for opencv 4.9.0