change from mono-home-manager to full flake multi-system configuration

2025-11-30 12:28:05 +01:00
parent 5c3a992f34
commit 362f65c384
62 changed files with 4469 additions and 576 deletions
--- a/home/backup.nix
+++ b/home/backup.nix
@@ -0,0 +1,68 @@
+{ config, pkgs, lib, ... }:
+
+let
+  hostname = config.networking.hostName or (builtins.getEnv "HOSTNAME");
+  backupTarget = "/mnt/backup/borg"; # Adjust this path to your remote or local backup repo
+  backupRepo = "${backupTarget}/${hostname}";
+  backupPaths = {
+    "t440p" = [ "Documents" "Projects" ];
+    "steamdeck" = [ ".config" ];
+    "xaorus" = [ "Pictures" "Videos" ];
+  };
+  folders = builtins.map (dir: "${config.home.homeDirectory}/${dir}") (backupPaths.${hostname} or []);
+  cfg = config.homeModules.backup;
+in
+
+lib.mkIf cfg.enable {
+  home.packages = with pkgs; [ borgbackup ];
+
+  systemd.user.services.borg-backup = {
+    Unit = {
+      Description = "Borg Backup for ${hostname}";
+      Wants = [ "network-online.target" ];
+      After = [ "network-online.target" ];
+    };
+
+    Service = {
+      Type = "oneshot";
+      ExecStart = ''
+        ${pkgs.borgbackup}/bin/borg create \
+          --verbose \
+          --filter AME \
+          --list \
+          --stats \
+          --show-rc \
+          --compression lz20 \
+          ${backupRepo}::"{now:%Y-%m-%d_%H-%M}" \
+          ${builtins.concatStringsSep " \\\n  " folders} \
+          --exclude ${config.home.homeDirectory}/.cache \
+          --exclude ${config.home.homeDirectory}/Downloads \
+          --exclude ${config.home.homeDirectory}/node_modules \
+          --exclude '*/.git' \
+          --exclude '*/venv' \
+          --exclude '*/target'
+      '';
+      ExecStopPost = ''
+        ${pkgs.borgbackup}/bin/borg prune -v --list ${backupRepo} \
+          --keep-daily=7 \
+          --keep-weekly=4 \
+          --keep-monthly=3
+      '';
+    };
+
+    Install = {
+      WantedBy = [ "default.target" ];
+    };
+  };
+
+  # Optional: allow the backup location to be automounted
+  xdg.userDirs.extraConfig = {
+    XDG_BACKUP_DIR = "${backupTarget}";
+  };
+
+  # Optional: set environment variable to simplify CLI usage
+  home.sessionVariables = {
+    BORG_REPO = backupRepo;
+    BORG_PASSPHRASE = ""; # or use environment.d or a secrets mechanism
+  };
+}