From 195e3cdd3f7e840dd5e3ea6d1b0a15ed44a6305a Mon Sep 17 00:00:00 2001
From: Shinichi Matsumoto <ma2sim@rworks.jp>
Date: Tue, 22 Nov 2022 03:59:01 +0000
Subject: [PATCH] collection is not updated if the md5 file size of collection
 is 0 If the md5 file in collection has size 0, delete it. Set
 $local_collection_md5 to "Size 0", which is impossible for md5, and let
 $remote_collection_md5 be adopted.

---
 pandora_agents/unix/pandora_agent | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pandora_agents/unix/pandora_agent b/pandora_agents/unix/pandora_agent
index 1c91f31f38..a4d71094e8 100755
--- a/pandora_agents/unix/pandora_agent
+++ b/pandora_agents/unix/pandora_agent
@@ -2403,6 +2403,11 @@ sub check_collections () {
 			if (open (MD5_FILE, "< $ConfDir/collections/$collection_md5_file")) {
 				$local_collection_md5 = <MD5_FILE>;
 				close MD5_FILE;
+				if ( ! defined ($local_collection_md5) ) {
+					log_message ('Collection', "Size of $ConfDir/collections/$collection_md5_file is 0");
+					unlink ("$ConfDir/collections/$collection_md5_file");
+					$local_collection_md5 = "Size 0";
+				}
 			} else {
 				log_message ('Collection', "Could not open dir $ConfDir/collections/$collection_md5_file");
 				next;