1 files changed, 59 insertions, 0 deletions
diff --git a/modules/home-manager/personal/programs/emacs.nix b/modules/home-manager/personal/programs/emacs.nix
new file mode 100644
index 0000000..2189541
--- /dev/null
+++ b/modules/home-manager/personal/programs/emacs.nix
@@ -0,0 +1,59 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.programs.emacs;
+  spacemacs-update-script = pkgs.callPackage ({ emacs, git }:
+    pkgs.writeShellApplication {
+      name = "spacemacs-update";
+
+      runtimeInputs = [ emacs git ];
+
+      text = ''
+        git checkout develop
+        git pull
+        git checkout local
+        git merge develop
+        emacs --fg-daemon=update-daemon \
+              --eval '(progn
+                        (configuration-layer/update-packages "no-confirmation")
+                        (spacemacs/kill-emacs))'
+      '';
+    }) { emacs = cfg.package; };
+in {
+  config = lib.mkIf cfg.enable {
+    services.emacs = {
+      enable = lib.mkDefault true;
+      client.enable = lib.mkDefault true;
+      startWithUserSession = lib.mkDefault true;
+    };
+    home.sessionVariables.EDITOR = "emacsclient --create-frame";
+
+    # add some packages necessary in spacemacs
+    programs.emacs.extraPackages =
+      lib.mkDefault (ep: with ep; [ emacsql-sqlite emacsql-sqlite3 ]);
+    home.packages = with pkgs; [ gnutar source-code-pro ];
+
+    # spacemacs dotfile
+    home.file.".spacemacs.d/init.el".source =
+      lib.mkDefault config.personal.home.dotfiles.spacemacs;
+
+    # service to update spacemacs
+    systemd.user =
+      (pkgs.personal.lib.homeManager.serviceWithTimer "spacemacs-update" {
+        Unit = {
+          Description = "Update Spacemacs by pulling the develop branch";
+          After = [ "network-online.target" "emacs.service" ];
+        };
+        Service = {
+          Type = "oneshot";
+          WorkingDirectory = "${config.home.homeDirectory}/.emacs.d/";
+          ExecStart = "${spacemacs-update-script}";
+        };
+        Timer = {
+          Persistent = true;
+          OnCalendar = "daily";
+        };
+        Install = { WantedBy = [ "default.target" ]; };
+      });
+  };
+}