@@ -1,21 +1,22 @@
 package storage
 
 import (
+	"gitlab.com/tozd/go/errors"
 	"go.alanpearce.eu/homestead/internal/buffer"
 	"go.alanpearce.eu/homestead/internal/content"
 )
 
 type Reader interface {
-	GetFile(path string) (*File, error)
+	GetFile(path string) (*File, errors.E)
 	CanonicalisePath(path string) (string, bool)
 }
 
 type Writer interface {
-	Mkdirp(path string) error
+	Mkdirp(path string) errors.E
 
 	NewFileFromPost(post *content.Post) *File
 
-	Write(pathname string, title string, content *buffer.Buffer) error
-	WritePost(post *content.Post, content *buffer.Buffer) error
-	WriteFile(file *File, content *buffer.Buffer) error
+	Write(pathname string, title string, content *buffer.Buffer) errors.E
+	WritePost(post *content.Post, content *buffer.Buffer) errors.E
+	WriteFile(file *File, content *buffer.Buffer) errors.E
 }