func prepURL()

in cmd/redirector/referer.go [29:68]

• 33 lines of code
• 8 McCabe index (conditional complexity)

func prepURL(r repoRef, overrides url.Values) string {
	u := &url.URL{
		Scheme: "https",
		Host:   "console.cloud.google.com",
		Path:   "cloudshell/editor",
	}
	q := make(url.Values)
	// not an officially documented param:
	// https://cloud.google.com/shell/docs/open-in-cloud-shell
	q.Set("shellonly", "true")

	q.Set("cloudshell_image", "gcr.io/cloudrun/button")
	q.Set("cloudshell_git_repo", r.GitURL())
	if v := r.Ref(); v != "" {
		q.Set("cloudshell_git_branch", v)
	}
	if v := r.Dir(); v != "" {
		q.Set("cloudshell_working_dir", v)
	}

	// overrides
	if v := overrides.Get(paramRepo); v != "" {
		q.Set("cloudshell_git_repo", v)
	}
	if v := overrides.Get(paramDir); v != "" {
		q.Set("cloudshell_working_dir", v)
	}
	if v := overrides.Get(paramRev); v != "" {
		q.Set("cloudshell_git_branch", v)
	}

	// pass-through query parameters
	for k := range overrides {
		if strings.HasPrefix(k, "cloudshell_") {
			q.Set(k, overrides.Get(k))
		}
	}
	u.RawQuery = q.Encode()
	return u.String()
}