initial commit [141.14.140.180,mike]

2026-07-27 16:14:41 +02:00
commit 917a3d41ac
18 changed files with 3587 additions and 0 deletions
@@ -0,0 +1,127 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/AlecAivazis/survey/v2/terminal"
+	"github.com/Masterminds/semver/v3"
+	"github.com/fatih/color"
+	"github.com/minio/selfupdate"
+)
+
+var UPDATEURL = "http://gozilla.fhi.mpg.de/goca"
+
+// Color function variables matching tools.go in dns
+var Crb func(...interface{}) string = color.New(color.Bold, color.FgRed).SprintFunc()
+var Cgb func(...interface{}) string = color.New(color.Bold, color.FgGreen).SprintFunc()
+var Cwb func(...interface{}) string = color.New(color.Bold, color.FgWhite).SprintFunc()
+
+func SF(format string, a ...any) string {
+	return fmt.Sprintf(format, a...)
+}
+
+func PE(msg ...string) (n int, err error) {
+	if len(msg) == 2 {
+		return fmt.Fprintf(os.Stdout, "%s: %s (%s)\n", Crb("ERROR"), Cwb(msg[0]), msg[1])
+	}
+	return fmt.Fprintf(os.Stdout, "%s: %s\n", Crb("ERROR"), Cwb(msg[0]))
+}
+
+func PO(msg ...string) (n int, err error) {
+	if len(msg) == 2 {
+		return fmt.Fprintf(os.Stdout, "%s: %s (%s)\n", Cgb("OK"), Cwb(msg[0]), msg[1])
+	}
+	return fmt.Fprintf(os.Stdout, "%s: %s\n", Cgb("OK"), Cwb(msg[0]))
+}
+
+func checkforupdate(URL string) { // ----------------------------------------------------- check for new version
+	prg := prgname()
+	resp, err := http.Get(URL + "/version.txt")
+	if err == nil {
+		scanner := bufio.NewScanner(resp.Body)
+		if scanner.Scan() {
+			lversion := strings.TrimSpace(scanner.Text())
+			sv_version, err := semver.NewVersion(Version)
+			if err == nil {
+				sv_lversion, err := semver.NewVersion(lversion)
+				if err == nil {
+					if sv_lversion.GreaterThan(sv_version) {
+						ans := Yesno(SF("new '%s' version found (%s -> %s), update now?",
+							prg, sv_version, sv_lversion), true, false)
+						if ans {
+							updateurl := SF("%s/%s_%s_%s_%s", URL, prg, lversion, runtime.GOOS, runtime.GOARCH)
+
+							if err := doupdate(updateurl); err != nil {
+								PE(SF("Update failed: %v\n", err))
+								os.Exit(1)
+							}
+							PO("Update successful!", "please run your last command again")
+							os.Exit(0)
+						}
+					}
+				}
+			}
+		}
+		resp.Body.Close()
+	}
+}
+
+func doupdate(url string) error { // ----------------------------------------------------------------- do update
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("server returned status: %v", resp.Status)
+	}
+	err = selfupdate.Apply(resp.Body, selfupdate.Options{})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func Yesno(msg string, def bool, overwrite bool) bool { // -------------------------- AlecAivazis/survey: yes/no
+	if overwrite {
+		return true
+	}
+
+	var err error
+	tmp := ""
+	if def {
+		err = survey.AskOne(&survey.Select{Message: msg, Options: []string{"Yes", "No"}}, &tmp)
+	} else {
+		err = survey.AskOne(&survey.Select{Message: msg, Options: []string{"No", "Yes"}}, &tmp)
+	}
+
+	if err != nil {
+		if err == terminal.InterruptErr {
+			fmt.Fprintln(os.Stdout, Crb("Interrupted."))
+			os.Exit(0)
+		}
+	}
+
+	if tmp == "Yes" {
+		return true
+	} else {
+		return false
+	}
+}
+
+func prgname() string { // ---------------------------------------------------------------- program name
+	exepath, err := os.Executable()
+	if err != nil {
+		PE(SF("Error getting executable path: %s", err))
+		return ""
+	}
+	exename := filepath.Base(exepath)
+	return exename
+}