From f423383ca283633fd55286abba33bb2a232f0637 Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Sat, 18 Nov 2023 12:16:47 +0100
Subject: [PATCH] btrbk: option to disable timer

---
 hosts/yodaHedgehog/btrbk-config.nix | 2 ++
 modules/btrbk/backup.nix            | 8 +++++---
 modules/btrbk/snapshot.nix          | 6 ++++--
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/hosts/yodaHedgehog/btrbk-config.nix b/hosts/yodaHedgehog/btrbk-config.nix
index d3c6541..d304d9f 100644
--- a/hosts/yodaHedgehog/btrbk-config.nix
+++ b/hosts/yodaHedgehog/btrbk-config.nix
@@ -26,6 +26,7 @@ in
   yoda.btrbkBackups = [
     {
       instance = "remote-backup-ssd";
+      enable = false;
       lz4 = false;
       ssh_identity = "/mnt/backup/rootNas_ed25519";
       volume = "ssh://rootnas/jc-data";
@@ -35,6 +36,7 @@ in
     }
     {
       instance = "remote-backup-hdd";
+      enable = false;
       lz4 = false;
       ssh_identity = "/mnt/backup/rootNas_ed25519";
       volume = "ssh://rootnas/mnt/data/jc-data";
diff --git a/modules/btrbk/backup.nix b/modules/btrbk/backup.nix
index c06d63c..35ff422 100644
--- a/modules/btrbk/backup.nix
+++ b/modules/btrbk/backup.nix
@@ -13,12 +13,15 @@ in
       type = types.listOf types.attrs;
       default = [];
       example = [{
+        instance = "local-backup-ssd";
+        # Optional.
+        # Can be used to disable timer.
+        #enable = false;
         # Optional.
         # If this is `true` and `volume` starts with `ssh://`, `lz4` transport compression is enabled.
         lz4 = true;
         # Optional.
         #ssh_identity = /root/.ssh/rootNas_ed25519;
-        instance = "local-backup-ssd";
         volume = "/jc-data";
         snapshot_dir = "/snap";
         target = "/mnt/backup/snap";
@@ -47,8 +50,7 @@ in
           # `services.btrbk.instances` template.
           {
             "${x.instance}" = {
-              #onCalendar = null;
-              onCalendar = "00:05";
+              onCalendar = if (x.enable or true) then "00:05" else null;
               settings = {
                 timestamp_format = "long";
                 stream_compress =  mkIf ((x.lz4 or false) && strings.hasPrefix "ssh://" x.volume) "lz4";
diff --git a/modules/btrbk/snapshot.nix b/modules/btrbk/snapshot.nix
index 79c4479..76b1bf6 100644
--- a/modules/btrbk/snapshot.nix
+++ b/modules/btrbk/snapshot.nix
@@ -14,6 +14,9 @@ in
       default = [];
       example = [{
         instance = "local-snapshot-ssd";
+        # Optional.
+        # Can be used to disable timer.
+        #enable = false;
         volume = "/jc-data";
         snapshot_dir = "/snap";
         subvolume = {
@@ -41,8 +44,7 @@ in
           # `services.btrbk.instances` template.
           {
             "${x.instance}" = {
-              #onCalendar = null;
-              onCalendar = "hourly";
+              onCalendar = if (x.enable or true) then "hourly" else null;
               settings = {
                 timestamp_format = "long";