git tag batch delete local & remote

git-tag-delete.go

package main

import (
	"bytes"
	"fmt"
	"log"
	"os/exec"
	"strings"
)

func main() {
	cmd := exec.Command("git", "tag")
	var out bytes.Buffer
	cmd.Stdout = &out
	err := cmd.Run()
	if err != nil {
		log.Fatal("git tag error ", err)
	}
	tags := strings.Split(out.String(), "\n")
	for _, tag := range tags {
		if strings.HasPrefix(tag, "test-") || strings.HasPrefix(tag, "production-") {
			// local
			local := exec.Command("git", "tag", "-d", fmt.Sprintf("%s", tag))
			err := local.Run()
			if err != nil {
				log.Fatal("git tag -d error ", err)
			}
			fmt.Println("local tag", tag, "has been deleted")
			// remote
			remote := exec.Command("git", "push", "origin", fmt.Sprintf(":%s", tag))
			err = remote.Run()
			if err != nil {
				log.Print("git tag -d push to remote error ", err)
			}
			fmt.Println("remote tag", tag, "has been deleted")
		}
	}
}