From a73e7383c0d20fcac4588c143ca2aa1efeaa7a79 Mon Sep 17 00:00:00 2001
From: Aaron Andersen <aaron@fosslib.net>
Date: Wed, 10 May 2023 19:57:48 -0400
Subject: [PATCH 1/2] nixos/automysqlbackup: add some missing permissions

---
 nixos/modules/services/backup/automysqlbackup.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/backup/automysqlbackup.nix b/nixos/modules/services/backup/automysqlbackup.nix
index d0237f196a80..0b75c75f3d15 100644
--- a/nixos/modules/services/backup/automysqlbackup.nix
+++ b/nixos/modules/services/backup/automysqlbackup.nix
@@ -112,7 +112,18 @@ in
 
     services.mysql.ensureUsers = optional (config.services.mysql.enable && cfg.config.mysql_dump_host == "localhost") {
       name = user;
-      ensurePermissions = { "*.*" = "SELECT, SHOW VIEW, TRIGGER, LOCK TABLES, EVENT"; };
+      ensurePermissions = {
+        "*.*" = "SELECT, SHOW VIEW, TRIGGER, LOCK TABLES, EVENT";
+
+        # https://forums.mysql.com/read.php?10,668311,668315#msg-668315
+        "function sys.extract_table_from_file_name" = "execute";
+        "function sys.format_path" = "execute";
+        "function sys.format_statement" = "execute";
+        "function sys.extract_schema_from_file_name" = "execute";
+        "function sys.ps_thread_account" = "execute";
+        "function sys.format_time" = "execute";
+        "function sys.format_bytes" = "execute";
+      };
     };
 
   };

From 55b3b7029db47aef97b577e6833e080621a2b3f1 Mon Sep 17 00:00:00 2001
From: Aaron Andersen <aaron@fosslib.net>
Date: Wed, 10 May 2023 19:59:39 -0400
Subject: [PATCH 2/2] nixos/automysqlbackup: rename config option to settings

---
 nixos/modules/services/backup/automysqlbackup.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/backup/automysqlbackup.nix b/nixos/modules/services/backup/automysqlbackup.nix
index 0b75c75f3d15..27bbff813b10 100644
--- a/nixos/modules/services/backup/automysqlbackup.nix
+++ b/nixos/modules/services/backup/automysqlbackup.nix
@@ -3,7 +3,7 @@
 let
 
   inherit (lib) concatMapStringsSep concatStringsSep isInt isList literalExpression;
-  inherit (lib) mapAttrs mapAttrsToList mkDefault mkEnableOption mkIf mkOption optional types;
+  inherit (lib) mapAttrs mapAttrsToList mkDefault mkEnableOption mkIf mkOption mkRenamedOptionModule optional types;
 
   cfg = config.services.automysqlbackup;
   pkg = pkgs.automysqlbackup;
@@ -26,6 +26,10 @@ let
 
 in
 {
+  imports = [
+    (mkRenamedOptionModule [ "services" "automysqlbackup" "config" ] [ "services" "automysqlbackup" "settings" ])
+  ];
+
   # interface
   options = {
     services.automysqlbackup = {
@@ -40,7 +44,7 @@ in
         '';
       };
 
-      config = mkOption {
+      settings = mkOption {
         type = with types; attrsOf (oneOf [ str int bool (listOf str) ]);
         default = {};
         description = lib.mdDoc ''