Method fetch

remote.go:402–510

(ctx context.Context, o *FetchOptions)

}

func (r *Remote) fetch(ctx context.Context, o *FetchOptions) (sto storer.ReferenceStorer, err error) {
	if o.RemoteName == "" {
		o.RemoteName = r.c.Name
	}

	if err = o.Validate(); err != nil {
		return nil, err
	}

	if len(o.RefSpecs) == 0 {
		o.RefSpecs = r.c.Fetch
	}

	if o.RemoteURL == "" {
		o.RemoteURL = r.c.URLs[0]
	}

	s, err := newUploadPackSession(o.RemoteURL, o.Auth, o.InsecureSkipTLS, o.ClientCert, o.ClientKey, o.CABundle, o.ProxyOptions)
	if err != nil {
		return nil, err
	}

	defer ioutil.CheckClose(s, &err)

	ar, err := s.AdvertisedReferencesContext(ctx)
	if err != nil {
		return nil, err
	}

	req, err := r.newUploadPackRequest(o, ar)
	if err != nil {
		return nil, err
	}

	if err := r.isSupportedRefSpec(o.RefSpecs, ar); err != nil {
		return nil, err
	}

	remoteRefs, err := ar.AllReferences()
	if err != nil {
		return nil, err
	}

	localRefs, err := r.references()
	if err != nil {
		return nil, err
	}

	refs, specToRefs, err := calculateRefs(o.RefSpecs, remoteRefs, o.Tags)
	if err != nil {
		return nil, err
	}

	if !req.Depth.IsZero() {
		req.Shallows, err = r.s.Shallow()
		if err != nil {
			return nil, fmt.Errorf("existing checkout is not shallow")
		}