From 64bb51b2aba026731017fbb8fb62eaf79bce8ac3 Mon Sep 17 00:00:00 2001
From: "Masih H. Derkani" <m@derkani.org>
Date: Fri, 16 Jul 2021 16:45:26 +0100
Subject: [PATCH] Replace a file if exists on `index.Save`

If appendage is needed there is already `car.AttachIndex`.
---
 v2/index/index.go                 |   4 ++--
 v2/testdata/sample-index.carindex | Bin 209505 -> 41901 bytes
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/v2/index/index.go b/v2/index/index.go
index 96b730f..669728b 100644
--- a/v2/index/index.go
+++ b/v2/index/index.go
@@ -52,9 +52,9 @@ func New(codec multicodec.Code) (Index, error) {
 	}
 }
 
-// Save writes a generated index into the given `path`.
+// Save writes a generated index into the given `path` replacing the file if it exists.
 func Save(idx Index, path string) error {
-	stream, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o640)
+	stream, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o640)
 	if err != nil {
 		return err
 	}
diff --git a/v2/testdata/sample-index.carindex b/v2/testdata/sample-index.carindex
index 0f91e36507fc21d3a93a00f32bf330e024405af8..5df07d379e444d8fa3a0f5b96a59874f208bd0c1 100644
GIT binary patch
delta 9
RcmaF(glFw>rVVQs0{|Or1xNq@

delta 21
ScmZ2`oax~co(*dkBO?Hf?+r)*

-- 
GitLab