main.go

package main

import (
	"fmt"

	git "gopkg.in/src-d/go-git.v4"
	"gopkg.in/src-d/go-git.v4/utils/ioutil"
)

func main() {
	r, err := git.PlainOpen(".")
	if err != nil {
		panic(err)
	}
	cfg, err := r.Config()
	if err != nil {
		panic(err)
	}
	remote := cfg.Remotes["tibor"]
	s, err := git.NewSendPackSession(remote.URL, nil)
	if err != nil {
		panic(err)
	}
	defer ioutil.CheckClose(s, &err)
	ar, err := s.AdvertisedReferences()
	if err != nil {
		panic(err)
	}

	for name, hash := range ar.References {
		if name == "refs/heads/master" {
			fmt.Println(name, hash.String())
		}
	}
}