windows: fix delete

server/images.go

@@ -859,17 +859,15 @@ func DeleteModel(name string) error {
 	if err != nil {
 		return err
 	}
-	err = filepath.Walk(fp, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-		if !info.IsDir() {
-			path := path[len(fp)+1:]
-			slashIndex := strings.LastIndex(path, "/")
-			if slashIndex == -1 {
+
+	walkFunc := func(path string, info os.FileInfo, _ error) error {
+		if info.IsDir() {
 			return nil
 		}
-			tag := path[:slashIndex] + ":" + path[slashIndex+1:]
+
+		dir, file := filepath.Split(path)
+		dir = strings.Trim(strings.TrimPrefix(dir, fp), string(os.PathSeparator))
+		tag := strings.Join([]string{dir, file}, ":")
 		fmp := ParseModelPath(tag)
 
 		// skip the manifest we're trying to delete
@@ -883,14 +881,16 @@ func DeleteModel(name string) error {
 			log.Printf("skipping file: %s", fp)
 			return nil
 		}
+
 		for _, layer := range manifest.Layers {
 			delete(deleteMap, layer.Digest)
 		}
+
 		delete(deleteMap, manifest.Config.Digest)
-		}
 		return nil
-	})
-	if err != nil {
+	}
+
+	if err := filepath.Walk(fp, walkFunc); err != nil {
 		return err
 	}