package main

import (
	"fmt"
	"os"

	git "go.wit.com/lib/libgit2"
	"go.wit.com/log"
)

func showRefs() error {
	log.Info("how do you do this with libgit2 and git2go? notsure.")
	repo, err := git.OpenRepository(argv.RepoPath)
	if err != nil {
		log.Info("open failed", argv.RepoPath, err)
		return err
	}
	ref, err := repo.Head()
	log.Info("head", ref, err, ref.Name())
	fmt.Printf("%+v\n", ref)
	walkRepo(repo)
	return nil
}

func walkRepo(repo *git.Repository) {
	ri, err := repo.NewReferenceIterator()
	exitIf(err)

	for {
		ref, err := ri.Next()
		if err != nil {
			log.Info("done", err)
			return
		}
		log.Info("head", ref, err, ref.Name(), ref.SymbolicTarget(), ref.Shorthand())
		// fmt.Printf("%+v\n", ref)
		// SymbolicTarget()
	}
}

func exitIf(err error) {
	if err == nil {
		return
	}
	log.Info("exit due to error", err)
	os.Exit(-1)
}