From 002bec4deff7abf9823bbd80c0174785a0713de7 Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Sat, 3 Dec 2022 21:59:19 +0100
Subject: [PATCH] In _object_user_cache(), don't call index_add() if link()
 fails.

It will most probably fail because the object is already there.
---
 data.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/data.c b/data.c
index 13c3372..619acf5 100644
--- a/data.c
+++ b/data.c
@@ -657,8 +657,8 @@ int _object_user_cache(snac *snac, const char *id, const char *cachedir, int del
             index_del(idx, id);
     }
     else {
-        index_add(idx, id);
-        ret = link(ofn, cfn);
+        if ((ret = link(ofn, cfn)) != -1)
+            index_add(idx, id);
     }
 
     return ret;