From b1994c4574cb5027c366cc5d438ebfe1ca7803c9 Mon Sep 17 00:00:00 2001
From: Marco Nelissen <marco.nelissen@gmail.com>
Date: Tue, 25 Jun 2024 11:39:41 -0700
Subject: [PATCH] Only rotate non-empty nginx logs

---
 run/archiveloop | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/run/archiveloop b/run/archiveloop
index 350b28ff..83937786 100755
--- a/run/archiveloop
+++ b/run/archiveloop
@@ -726,8 +726,14 @@ function snapshotloop {
 function logrotator {
   while true
   do
-    mv -f /var/log/nginx/access.log /var/log/nginx/access.log.prev || true
-    mv -f /var/log/nginx/error.log /var/log/nginx/error.log.prev || true
+    if [ -s /var/log/nginx/access.log ]
+    then
+      mv -f /var/log/nginx/access.log /var/log/nginx/access.log.prev || true
+    fi
+    if [ -s /var/log/nginx/error.log ]
+    then
+      mv -f /var/log/nginx/error.log /var/log/nginx/error.log.prev || true
+    fi
     if [ -e /var/run/nginx.pid ]
     then
       kill -USR1 "$(cat /var/run/nginx.pid)"