package gitimport (	"errors"	"farga/lib"	errs "farga/lib/errors"	"time"	"github.com/go-git/go-git/v6"	"github.com/go-git/go-git/v6/plumbing/object")type LogOptions struct {	Repo     *git.Repository	Branch   string	FileName string}type GitCommitAuthor struct {	Name  string	Email string}type Commit struct {	Hash      string	ShortHash string	Author    GitCommitAuthor	Message   string	Time      time.Time}type Log []Commit// gets the log of a branch or file. Don't forget to pass in your repo!func GetLog(o LogOptions) (Log, error) {	if o.Repo == nil {		return nil, errs.ErrMissingProperty("Repo")	}	ref, err := ResolveHead(o.Repo, o.Branch)	if err != nil {		return nil, err	}	if ref == nil {		return nil, ErrRepoHasNoHead	}	gitLog, err := o.Repo.Log(&git.LogOptions{		From: ref.Hash(),	})	if err != nil {		return nil, err	}	var log Log	err = gitLog.ForEach(func(c *object.Commit) error {		shortHash, err := ShortenHash(c.Hash.String())		if err != nil {			return errors.New("Invalid hash length")		}		log = append(log, Commit{			Hash:      c.Hash.String(),			ShortHash: shortHash,			Author: GitCommitAuthor{				Name:  c.Author.Name,				Email: c.Author.Email,			},			Message: c.Message,			Time:    c.Author.When,		})		return nil	})	return log, err}// shortens a hash. returns the full string if it's asked to trim it at a length greater than it is.func ShortenHash(hash string) (string, error) {	return lib.TruncateString(hash, lib.GitHashLength)}