From 9be35dff51c4cba8846ef5c162de1433a21cc1ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Sch=C3=BCtz?= <schuetz@yoocon.de>
Date: Sat, 30 Mar 2024 10:16:19 +0100
Subject: [PATCH] mysqlBackup: use rsyncable compression

---
 nixos/modules/services/backup/mysql-backup.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/backup/mysql-backup.nix b/nixos/modules/services/backup/mysql-backup.nix
index 00381be4b75d..e3fa7f45844f 100644
--- a/nixos/modules/services/backup/mysql-backup.nix
+++ b/nixos/modules/services/backup/mysql-backup.nix
@@ -20,7 +20,7 @@ let
   '';
   backupDatabaseScript = db: ''
     dest="${cfg.location}/${db}.gz"
-    if ${mariadb}/bin/mysqldump ${optionalString cfg.singleTransaction "--single-transaction"} ${db} | ${gzip}/bin/gzip -c > $dest.tmp; then
+    if ${mariadb}/bin/mysqldump ${optionalString cfg.singleTransaction "--single-transaction"} ${db} | ${gzip}/bin/gzip -c ${cfg.gzipOptions} > $dest.tmp; then
       mv $dest.tmp $dest
       echo "Backed up to $dest"
     else
@@ -78,6 +78,14 @@ in
           Whether to create database dump in a single transaction
         '';
       };
+
+      gzipOptions = mkOption {
+        default = "--no-name --rsyncable";
+        type = types.str;
+        description = ''
+          Command line options to use when invoking `gzip`.
+        '';
+      };
     };
 
   };