From df1c5b25a6cf1d107723c6e4eac4cf81eeb39683 Mon Sep 17 00:00:00 2001
From: Andrea Ciceri <andrea.ciceri@autistici.org>
Date: Fri, 5 Jan 2024 01:22:51 +0100
Subject: [PATCH] Use `greetd` as login manager

---
 hmModules/shell/default.nix |  3 ---
 hosts/picard/default.nix    |  3 ++-
 modules/greetd/default.nix  | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 4 deletions(-)
 create mode 100644 modules/greetd/default.nix

diff --git a/hmModules/shell/default.nix b/hmModules/shell/default.nix
index dfc85c2..eebafa7 100644
--- a/hmModules/shell/default.nix
+++ b/hmModules/shell/default.nix
@@ -111,9 +111,6 @@
   programs.fish = {
     enable = true;
     shellInit = ''
-      if [ -z "$DISPLAY" ] && [ "$(tty)" = "/dev/tty1" ]
-        exec dbus-run-session Hyprland
-      end
       fish_config theme choose "dracula"
       export CACHIX_AUTH_TOKEN=$(cat ${age.secrets.cachix-personal-token.path})
     '';
diff --git a/hosts/picard/default.nix b/hosts/picard/default.nix
index f913196..9380c78 100644
--- a/hosts/picard/default.nix
+++ b/hosts/picard/default.nix
@@ -30,6 +30,7 @@
       "wireguard-client"
       "restic"
       "binfmt"
+      "greetd"
     ]
     ++ [
       ./disko.nix
@@ -37,7 +38,7 @@
 
   ccr = {
     enable = true;
-    autologin = true;
+    autologin = false;
     modules = [
       "git"
       "git-workspace"
diff --git a/modules/greetd/default.nix b/modules/greetd/default.nix
new file mode 100644
index 0000000..47e5f2b
--- /dev/null
+++ b/modules/greetd/default.nix
@@ -0,0 +1,36 @@
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  sessions = builtins.concatStringsSep ":" [
+    (pkgs.writeTextFile {
+      name = "xorg-session.desktop";
+      destination = "/hyprland-session.desktop";
+      text = ''
+        [Desktop Entry]
+        Name=Hyprland
+        Exec=Hyprland
+      '';
+    })
+  ];
+in {
+  services.greetd = {
+    enable = true;
+    vt = 2;
+    settings = {
+      default_session = {
+        command = lib.concatStringsSep " " [
+          (lib.getExe pkgs.greetd.tuigreet)
+          "--time"
+          "--remember"
+          "--remember-user-session"
+          "--asterisks"
+          # "--power-shutdown '${pkgs.systemd}/bin/systemctl shutdown'"
+          "--sessions '${sessions}'"
+        ];
+        user = "greeter";
+      };
+    };
+  };
+}