func Git(provisioner provision.Provisioner, app provision.App, objID string, w io.Writer) error { log.Write(w, []byte("\n ---> tsuru receiving push\n")) log.Write(w, []byte("\n ---> Replicating the application repository across units\n")) out, err := clone(provisioner, app) if err != nil { out, err = fetch(provisioner, app) } if err != nil { msg := fmt.Sprintf("Got error while cloning/fetching repository: %s -- \n%s", err, string(out)) log.Write(w, []byte(msg)) return errors.New(msg) } out, err = checkout(provisioner, app, objID) if err != nil { msg := fmt.Sprintf("Failed to checkout Git repository: %s -- \n%s", err, string(out)) log.Write(w, []byte(msg)) return errors.New(msg) } log.Write(w, []byte("\n ---> Installing dependencies\n")) if err := provisioner.InstallDeps(app, w); err != nil { log.Write(w, []byte(err.Error())) return err } log.Write(w, []byte("\n ---> Restarting application\n")) if err := app.Restart(w); err != nil { log.Write(w, []byte(err.Error())) return err } return log.Write(w, []byte("\n ---> Deploy done!\n\n")) }
// fetch runs a git fetch to update the code in the app. // // It works like Clone, fetching from the app remote repository. func fetch(p provision.Provisioner, app provision.App) ([]byte, error) { var buf bytes.Buffer path, err := repository.GetPath() if err != nil { return nil, fmt.Errorf("tsuru is misconfigured: %s", err) } cmd := fmt.Sprintf("cd %s && git fetch origin", path) err = p.ExecuteCommand(&buf, &buf, app, cmd) b := buf.Bytes() log.Debugf(`"git fetch" output: %s`, b) return b, err }
// checkout updates the Git repository of the app to the given version. func checkout(p provision.Provisioner, app provision.App, version string) ([]byte, error) { var buf bytes.Buffer path, err := repository.GetPath() if err != nil { return nil, fmt.Errorf("tsuru is misconfigured: %s", err) } cmd := fmt.Sprintf("cd %s && git checkout %s", path, version) if err := p.ExecuteCommand(&buf, &buf, app, cmd); err != nil { return buf.Bytes(), err } return nil, nil }
// Clone runs a git clone to clone the app repository in an app. func clone(p provision.Provisioner, app provision.App) ([]byte, error) { var buf bytes.Buffer path, err := repository.GetPath() if err != nil { return nil, fmt.Errorf("tsuru is misconfigured: %s", err) } cmd := fmt.Sprintf("git clone %s %s --depth 1", repository.ReadOnlyURL(app.GetName()), path) err = p.ExecuteCommand(&buf, &buf, app, cmd) b := buf.Bytes() log.Debugf(`"git clone" output: %s`, b) return b, err }