refactor: unify error handling in routing layer

1 files changed, 27 insertions, 0 deletions

diff --git a/internal/osutil/error.go b/internal/osutil/error.go
new file mode 100644
index 00000000..8f312aa9
--- /dev/null
+++ b/internal/osutil/error.go
@@ -0,0 +1,27 @@
+// Copyright 2020 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package osutil
+
+import (
+	"os"
+
+	"gogs.io/gogs/internal/errutil"
+)
+
+var _ errutil.NotFound = (*Error)(nil)
+
+// Error is a wrapper of an OS error, which handles not found.
+type Error struct {
+	error
+}
+
+func (e Error) NotFound() bool {
+	return e.error == os.ErrNotExist
+}
+
+// NewError wraps given error.
+func NewError(err error) error {
+	return Error{error: err}
+}