From fd793b791d0902820bdaf5783fe5762a8875dd87 Mon Sep 17 00:00:00 2001
From: Andrea Ciceri <andrea.ciceri@autistici.org>
Date: Wed, 21 May 2025 17:58:55 +0200
Subject: [PATCH] Backup roam directory with unison

---
 hmModules/unison/default.nix | 24 ++++++++++++++++++++++++
 hosts/picard/default.nix     |  1 +
 hosts/sisko/default.nix      |  1 +
 3 files changed, 26 insertions(+)
 create mode 100644 hmModules/unison/default.nix

diff --git a/hmModules/unison/default.nix b/hmModules/unison/default.nix
new file mode 100644
index 0000000..081f052
--- /dev/null
+++ b/hmModules/unison/default.nix
@@ -0,0 +1,24 @@
+{ pkgs, lib, ... }:
+{
+  home.packages = [ pkgs.unison ];
+  services.unison = {
+    enable = true;
+    pairs = {
+      "roam" = {
+        roots = [
+          # Pair of roots to synchronize
+          "/home/ccr/roam"
+          "ssh://root@sisko.wg.aciceri.dev//mnt/hd/roam"
+        ];
+        commandOptions = {
+          auto = "true";
+          batch = "true";
+          log = "false";
+          repeat = "watch";
+          sshcmd = lib.getExe pkgs.openssh;
+          ui = "text";
+        };
+      };
+    };
+  };
+}
diff --git a/hosts/picard/default.nix b/hosts/picard/default.nix
index 353f639..02271ff 100644
--- a/hosts/picard/default.nix
+++ b/hosts/picard/default.nix
@@ -98,6 +98,7 @@
       "pantalaimon"
       "moonlight"
       "gimp"
+      "unison"
     ];
     extraGroups = [ "plugdev" ];
     backupPaths = [ ];
diff --git a/hosts/sisko/default.nix b/hosts/sisko/default.nix
index 665b722..e4a3c17 100644
--- a/hosts/sisko/default.nix
+++ b/hosts/sisko/default.nix
@@ -113,6 +113,7 @@
 
   environment.systemPackages = with pkgs; [
     cifs-utils
+    unison
   ];
 
   powerManagement.scsiLinkPolicy = "med_power_with_dipm";