From 1cff56a7093ead5a7b427c99532677732633b6db Mon Sep 17 00:00:00 2001
From: Jan De Dobbeleer <jan.de.dobbeleer@gmail.com>
Date: Sun, 3 Oct 2021 08:53:03 +0200
Subject: [PATCH] refactor: do not write empty cache list

---
 src/environment_cache.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/environment_cache.go b/src/environment_cache.go
index ac50b228..3e9db87a 100644
--- a/src/environment_cache.go
+++ b/src/environment_cache.go
@@ -40,7 +40,11 @@ func (fc *fileCache) init(cachePath string) {
 }
 
 func (fc *fileCache) close() {
-	if dump, err := json.MarshalIndent(fc.cache.list(), "", "    "); err == nil {
+	cache := fc.cache.list()
+	if len(cache) == 0 {
+		return
+	}
+	if dump, err := json.MarshalIndent(cache, "", "    "); err == nil {
 		_ = ioutil.WriteFile(fc.cachePath+fileName, dump, 0644)
 	}
 }