From d2157e2314ec127e24a229554410ea7eb61df53b Mon Sep 17 00:00:00 2001
From: Ian Rees <ian@ianrees.net>
Date: Thu, 27 Jul 2023 17:13:31 -0700
Subject: [PATCH] Add 'Exists' method to storage backends (#271)

---
 tl/request/local.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tl/request/local.go b/tl/request/local.go
index 4ca35ea3..3689a335 100644
--- a/tl/request/local.go
+++ b/tl/request/local.go
@@ -29,3 +29,12 @@ func (r Local) Upload(ctx context.Context, key string, secret tl.Secret, uploadF
 	_, err = io.Copy(out, uploadFile)
 	return err
 }
+
+func (r Local) Exists(ctx context.Context, key string) bool {
+	fn := filepath.Join(r.Directory, key)
+	info, err := os.Stat(fn)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}