add obsidian

home-manager/modules/obsidian.nix

@@ -0,0 +1,32 @@
+{ user, pkgs, ... }:
+let
+  vaultDir = "/home/${user}/para";
+  gitSyncObsidian = pkgs.writeScriptBin "git-sync-obsidian" ''
+    #!/bin/sh
+
+    VAULT_DIR="${vaultDir}"
+    cd "$VAULT_DIR" || exit 1
+    git add .
+    git commit -m "$(date '+%Y-%m-%d %H:%M:%S')" || exit 0
+  '';
+in {
+  home.packages = [ gitSyncObsidian ];
+
+  systemd.user.services.git-sync-obsidian = {
+    Unit.Description = "Commit Obsidian Vault changes with git";
+    Service = {
+      ExecStart = "${gitSyncObsidian}/bin/git-sync-obsidian";
+      Type = "simple";
+    };
+    Install.WantedBy = [ "timers.target" ];
+  };
+
+  systemd.user.timers.git-sync-obsidian = {
+    Unit.Description = "Run Git Sync for Obsidian Vault";
+    Timer = {
+      OnCalendar = "*:0/15";
+      Persistent = true;
+    };
+    Install.WantedBy = [ "timers.target" ];
+  };
+}