backstack: have added the workspace flag

internal/common/workspaces/manager.go

@@ -3,6 +3,7 @@ package workspaces
 import (
 	"github.com/asdine/storm"
 	"github.com/pkg/errors"
+	"log"
 	"os"
 )
 
@@ -18,11 +19,19 @@ func New(metaInfo MetaInfo) *Manager {
 	return &Manager{metainfo: metaInfo}
 }
 
+func (m *Manager) OpenOrCreate(filename string) (*Workspace, error) {
+	if filename == "" {
+		return m.CreateTemp()
+	}
+	return m.Open(filename)
+}
+
 func (m *Manager) Open(filename string) (*Workspace, error) {
 	db, err := storm.Open(filename)
 	if err != nil {
 		return nil, errors.Wrapf(err, "cannot open workspace at %v", filename)
 	}
+	log.Printf("open workspace: %v", filename)
 	return &Workspace{db: db}, nil
 }