From fb70bd789e333d2f616971e3acdc6745180298c4 Mon Sep 17 00:00:00 2001
From: Henri Dohmen <henri.dohmen@stud.tu-darmstadt.de>
Date: Sat, 31 May 2025 00:20:26 +0200
Subject: [PATCH] structure, unison

---
 mod/default.nix    |  8 +++++++-
 mod/hm/default.nix |  6 ++++++
 mod/hm/unison.nix  | 28 ++++++++++++++++++++++++++++
 pc/sync.nix        |  2 +-
 4 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 mod/hm/default.nix
 create mode 100644 mod/hm/unison.nix

diff --git a/mod/default.nix b/mod/default.nix
index c915eb0..6f66a62 100644
--- a/mod/default.nix
+++ b/mod/default.nix
@@ -1 +1,7 @@
-{ ... }: { }
+{ ... }:
+{
+  imports = [ ];
+  home = {
+    imports = [ ./hm ];
+  };
+}
diff --git a/mod/hm/default.nix b/mod/hm/default.nix
new file mode 100644
index 0000000..c9a0102
--- /dev/null
+++ b/mod/hm/default.nix
@@ -0,0 +1,6 @@
+{ ... }:
+{
+  imports = [
+    ./unison.nix
+  ];
+}
diff --git a/mod/hm/unison.nix b/mod/hm/unison.nix
new file mode 100644
index 0000000..2166b61
--- /dev/null
+++ b/mod/hm/unison.nix
@@ -0,0 +1,28 @@
+{ lib, config, ... }:
+let
+  cfg = config.services.unison';
+in
+{
+  options.services.unison' = {
+    enable = lib.mkEnableOption "Unison file synchronizer";
+    pairs = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.attrsOf (lib.types.listOf lib.types.str));
+      default = { };
+      description = "";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.file = lib.mapAttrs' (name: roots: {
+      name = ".unison/${name}.prf";
+      value.text =
+        ''
+          watch = true
+          logfile = /dev/null
+          confirmbigdeletes = true
+          confirmmerge = true
+        ''
+        + lib.concatStringsSep "\n" (map (root: "root = ${root}") roots.roots);
+    }) cfg.pairs;
+  };
+}
diff --git a/pc/sync.nix b/pc/sync.nix
index 4e93e05..336fc6d 100644
--- a/pc/sync.nix
+++ b/pc/sync.nix
@@ -1,6 +1,6 @@
 { pkgs, ... }:
 {
-  home.services.unison = {
+  home.services.unison' = {
     enable = true;
     pairs = {
       "docs".roots = [