Refactor sync file reading

admin/sync/markdown.go

@@ -1,9 +1,9 @@
 package sync
 
 import (
-	"bufio"
 	"bytes"
 	"encoding/base32"
+	"io"
 	"os"
 	"path"
 	"strings"
@@ -87,10 +87,15 @@ func (t *imageImporterTransformer) Transform(doc *ast.Document, reader text.Read
 				return ast.WalkStop, err
 			} else {
 				defer fdto.Close()
-				writer := bufio.NewWriter(fdto)
-				if err := GetFile(t.importer, path.Join(t.rootDir, iPath), writer); err != nil {
+
+				if fd, closer, err := GetFile(t.importer, path.Join(t.rootDir, iPath)); err != nil {
 					os.Remove(dPath)
 					return ast.WalkStop, err
+				} else {
+					defer closer()
+
+					_, err = io.Copy(fdto, fd)
+					return ast.WalkStop, err
 				}
 			}
 		}