print $fh encode_json \%pulls;

    print $fh JSON->new->utf8->canonical->encode(\%pulls);

    system("jq -S . < $filename > $tempdir/github-pulls-sorted.json");
    my $storePath = trim(`nix-store --add "$tempdir/github-pulls-sorted.json"`

    my $storePath = trim(`nix-store --add "$filename"`