$ git clone -n https://src.fedoraproject.org/rpms/okular.git /var/lib/mock/f41-build-side-1-3055181-38325/root/chroot_tmpdir/scmroot/okular
Cloning into '/var/lib/mock/f41-build-side-1-3055181-38325/root/chroot_tmpdir/scmroot/okular'...
$ git fetch origin dd0b75910be4cae777a8d4fcbe64f8053adf153f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/okular
 * [new ref]         dd0b75910be4cae777a8d4fcbe64f8053adf153f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd0b759 Rebuild (qt6)