fixes from looking at PR

client.go

@@ -42,8 +42,7 @@ func (ch *CaddyHugo) newEditSession(docName string) (*editSession, error) {
 		docname:  docName,
 		filename: filename,
 		doc:      acedoc.NewString(string(contents)),
-		//	tmpfs:    afero.NewCopyOnWriteFs(afero.NewBasePathFs(afero.NewOsFs(), ch.Dir+"/"), afero.NewMemMapFs()),
-		tmpfs: afero.NewCopyOnWriteFs(afero.NewOsFs(), afero.NewMemMapFs()),
+		tmpfs:    afero.NewCopyOnWriteFs(afero.NewOsFs(), afero.NewMemMapFs()),
 	}
 
 	err = es.doc.LogToFile(path.Join(ch.Dir, "logs", docName))
@@ -71,7 +70,7 @@ func (ch *CaddyHugo) renderDraft(es *editSession) error {
 		}
 	}
 
-	cfg, err := HugoCmdProcessConfig(ch, es, f)
+	cfg, err := HugoInternalProcessConfig(ch, es, f)
 	if err != nil {
 		return fmt.Errorf("rendering draft: %v", err)
 	}
@@ -80,7 +79,19 @@ func (ch *CaddyHugo) renderDraft(es *editSession) error {
 	return proc.Start()
 }
 
-func (ch *CaddyHugo) persistEdits(es *editSession) error {
+func (ch *CaddyHugo) persistAllEdits() error {
+	ch.mtx.Lock()
+	defer ch.mtx.Unlock()
+	for _, es := range ch.docs {
+		err := ch.persistEditsForSession(es)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (ch *CaddyHugo) persistEditsForSession(es *editSession) error {
 	err := afero.WriteFile(afero.NewOsFs(), es.filename, []byte(es.doc.Contents()), 0644)
 	if err != nil {
 		return err