get build info of a go binary

buildinfo.go

package main

import (
	"debug/buildinfo"
	"encoding/json"
	"flag"
	"fmt"
	"log"
)

func main() {
	filename := flag.String("filename", "", "File path to use")
	flag.Parse()
	if info, err := buildinfo.ReadFile(*filename); err != nil {
		log.Fatal(err)
	} else {
		j, _ := json.Marshal(info)
		fmt.Println(string(j))
	}
}