imgproxy/vendor/github.com/getsentry/sentry-go/util.go

package sentry

import (
	"crypto/rand"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"io"
	"os"
)

func uuid() string {
	id := make([]byte, 16)
	_, _ = io.ReadFull(rand.Reader, id)
	id[6] &= 0x0F // clear version
	id[6] |= 0x40 // set version to 4 (random uuid)
	id[8] &= 0x3F // clear variant
	id[8] |= 0x80 // set to IETF variant
	return hex.EncodeToString(id)
}

func fileExists(fileName string) bool {
	if _, err := os.Stat(fileName); err != nil {
		return false
	}

	return true
}

// nolint: deadcode, unused
func prettyPrint(data interface{}) {
	dbg, _ := json.MarshalIndent(data, "", "  ")
	fmt.Println(string(dbg))
}