func init()

in server.go [58:105]
44 lines of code
5 McCabe index (conditional complexity)

func init() {
	// Add path to self to $PATH, for easy deployment.
	if exe, err := os.Executable(); err == nil {
		os.Setenv("PATH", filepath.Dir(exe)+":"+os.Getenv("PATH"))
	}

	gjf, err := exec.LookPath("google-java-format.jar")
	if err == nil {
		formatters["java"] = &FormatterConfig{
			Regex: regexp.MustCompile(`\.java$`),
			Query: "ext:java",
			Formatter: &toolFormatter{
				bin:  "java",
				args: []string{"-jar", gjf, "-i"},
			},
		}
	} else {
		log.Printf("LookPath google-java-format: %v PATH=%s", err, os.Getenv("PATH"))
	}

	bzl, err := exec.LookPath("buildifier")
	if err == nil {
		formatters["bzl"] = &FormatterConfig{
			Regex: regexp.MustCompile(`(\.bzl|/BUILD|^BUILD)$`),
			Query: "(ext:bzl OR file:BUILD OR file:WORKSPACE)",
			Formatter: &toolFormatter{
				bin:  bzl,
				args: []string{"-mode=fix"},
			},
		}
	} else {
		log.Printf("LookPath buildifier: %v, PATH=%s", err, os.Getenv("PATH"))
	}

	gofmt, err := exec.LookPath("gofmt")
	if err == nil {
		formatters["go"] = &FormatterConfig{
			Regex: regexp.MustCompile(`\.go$`),
			Query: "ext:go",
			Formatter: &toolFormatter{
				bin:  gofmt,
				args: []string{"-w"},
			},
		}
	} else {
		log.Printf("LookPath gofmt: %v, PATH=%s", err, os.Getenv("PATH"))
	}
}