From 6ec3de9e4eae74f29d40f83d4f14cb68c65b224e Mon Sep 17 00:00:00 2001
From: Crony Akatsuki <crony@cronyakatsuki.xyz>
Date: Sun, 2 Feb 2025 14:26:19 +0100
Subject: [PATCH] Move restic to modules, also create backup services.

---
 hosts/nixos/home.nix             |  1 -
 modules/home-manager/default.nix |  2 +
 modules/home-manager/restic.nix  | 92 ++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 1 deletion(-)
 create mode 100644 modules/home-manager/restic.nix

diff --git a/hosts/nixos/home.nix b/hosts/nixos/home.nix
index 085840a..ac4aa15 100644
--- a/hosts/nixos/home.nix
+++ b/hosts/nixos/home.nix
@@ -13,7 +13,6 @@
   home.packages = with pkgs; [
     alejandra
     keepassxc
-    restic
     age
     nix-output-monitor
     nvd
diff --git a/modules/home-manager/default.nix b/modules/home-manager/default.nix
index 39209ad..84d8e2d 100644
--- a/modules/home-manager/default.nix
+++ b/modules/home-manager/default.nix
@@ -8,6 +8,7 @@
     ./mpv.nix
     ./obs-studio.nix
     ./nh.nix
+    ./restic.nix
   ];
 
   crony.mangohud.enable = lib.mkDefault true;
@@ -18,4 +19,5 @@
   crony.mpv.enable = lib.mkDefault true;
   crony.obs-studio.enable = lib.mkDefault true;
   crony.nh.enable = lib.mkDefault true;
+  crony.restic.enable = lib.mkDefault true;
 }
diff --git a/modules/home-manager/restic.nix b/modules/home-manager/restic.nix
new file mode 100644
index 0000000..60df372
--- /dev/null
+++ b/modules/home-manager/restic.nix
@@ -0,0 +1,92 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  options = {
+    crony.restic.enable = lib.mkEnableOption "Install and setup restic and backup services.";
+  };
+
+  config = lib.mkIf config.crony.restic.enable {
+    # Install restic package
+    home.packages = with pkgs; [
+      restic
+    ];
+
+    ##-- Restic Timers And Services --##
+
+    # Restic backup
+    systemd.user.services = {
+      restic_backup = {
+        Unit.Description = "Restic backup service";
+        Service = {
+          Type = "oneshot";
+          ExecStart = toString (pkgs.writeShellScript "restic-backup" ''
+            . /etc/restic/local
+            restic backup --files-from /home/crony/.config/restic/list --verbose && restic forget --keep-last 10 --keep-daily 7 --keep-weekly 5 --keep-monthly 12
+            . /etc/restic/online
+            restic backup --files-from /home/crony/.config/restic/list --verbose && restic forget --keep-last 10 --keep-daily 7 --keep-weekly 5 --keep-monthly 12
+            rsync -avP --delete "$HOME/.local/backup" "$HOME/Documents/Share/backup"
+          '');
+        };
+      };
+    };
+    systemd.user.timers = {
+      restic_backup = {
+        Unit.Description = "Restic backup timer";
+        Timer = {
+          OnBootSec = "5m";
+          OnUnitActiveSec = "6h";
+        };
+        Install.WantedBy = ["timers.target"];
+      };
+    };
+
+    # Restic check
+    systemd.user.services = {
+      restic_check = {
+        Unit.Description = "Restic check service";
+        Service = {
+          Type = "oneshot";
+          ExecStart = toString (pkgs.writeShellScript "restic-check" ''
+            . /etc/restic/local
+            restic check --read-data-subset=10%
+            . /etc/restic/online
+            restic check --read-data-subset=10%
+          '');
+        };
+      };
+    };
+    systemd.user.timers = {
+      restic_check = {
+        Unit.Description = "Restic check timer";
+        Timer = {OnCalendar = "Thu *-*-* 18:00:00";};
+        Install.WantedBy = ["timers.target"];
+      };
+    };
+
+    # Restic prune
+    systemd.user.services = {
+      restic_prune = {
+        Unit.Description = "Restic prune service";
+        Service = {
+          Type = "oneshot";
+          ExecStart = toString (pkgs.writeShellScript "restic-prune" ''
+            . /etc/restic/local
+            restic prune
+            . /etc/restic/online
+            restic prune
+          '');
+        };
+      };
+    };
+    systemd.user.timers = {
+      restic_prune = {
+        Unit.Description = "Restic prune timer";
+        Timer = {OnCalendar = "Fri *-*-* 18:00:00";};
+        Install.WantedBy = ["timers.target"];
+      };
+    };
+  };
+}