From cd8828503684f81cc6a881a034a7cc85478fe98a Mon Sep 17 00:00:00 2001
From: teun95 <37039643+teun95@users.noreply.github.com>
Date: Wed, 7 Sep 2022 19:50:50 +0100
Subject: [PATCH] Added rsyncable option for gzip using GZ_RSYNCABLE

GZ_RSYNCABLE=TRUE enables --rsyncable for gzip compression. Useful to speed up backups, reduce size of incremental backups, and allow for better deduplication.
---
 install/assets/functions/10-db-backup | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/install/assets/functions/10-db-backup b/install/assets/functions/10-db-backup
index cf6f70c..e0fee09 100755
--- a/install/assets/functions/10-db-backup
+++ b/install/assets/functions/10-db-backup
@@ -468,7 +468,10 @@ compression() {
 
    case "${COMPRESSION,,}" in
         gz* )
-            compress_cmd="pigz -q -${COMPRESSION_LEVEL} -p ${PARALLEL_COMPRESSION_THREADS} "
+            if var_true "${GZ_RSYNCABLE}" ; then
+                gz_rsyncable=--rsyncable
+            fi
+            compress_cmd="pigz -q -${COMPRESSION_LEVEL} -p ${PARALLEL_COMPRESSION_THREADS} ${gz_rsyncable}"
             compression_type="gzip"
             extension=".gz"
             dir_compress_cmd=${compress_cmd}