curl \
  -H "x-dcs-apikey: $(cat dcs-apikey-stapelberg.txt)" \
  -X GET \
  "https://codesearch.debian.net/api/v1/search?query=i3Font&match_mode=regexp" 

func burndown() error {
	cfg := openapiclient.NewConfiguration()
	cfg.AddDefaultHeader("x-dcs-apikey", apiKey)
	client := openapiclient.NewAPIClient(cfg)
	ctx := context.Background()

	// Search through the full Debian Code Search corpus, blocking until all
	// results are available:
	results, _, err := client.SearchApi.Search(ctx, "fmt.Sprint(err)", &openapiclient.SearchApiSearchOpts{
		// Literal searches are faster and do not require escaping special
		// characters, regular expression searches are more powerful.
		MatchMode: optional.NewString("literal"),
	})
	if err != nil {
		return err
	}

	// Print to stdout a CSV file with the path and number of occurrences:
	wr := csv.NewWriter(os.Stdout)
	header := []string{"path", "number of occurrences"}
	if err := wr.Write(header); err != nil {
		return err
	}
	occurrences := make(map[string]int)
	for _, result := range results {
		occurrences[result.Path]++
	}
	for _, result := range results {
		o, ok := occurrences[result.Path]
		if !ok {
			continue
		}
		// Print one CSV record per path:
		delete(occurrences, result.Path)
		record := []string{result.Path, strconv.Itoa(o)}
		if err := wr.Write(record); err != nil {
			return err
		}
	}
	wr.Flush()
	return wr.Error()
}