hyprsunset: init

modules/modules.nix

@@ -350,6 +350,7 @@ let
       ./services/hypridle.nix
       ./services/hyprpaper.nix
       ./services/hyprpolkitagent.nix
+      ./services/hyprsunset.nix
       ./services/imapnotify.nix
       ./services/jankyborders.nix
       ./services/kanshi.nix

modules/services/hyprsunset.nix

@@ -0,0 +1,133 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.services.hyprsunset;
+in
+{
+  meta.maintainers = with lib.maintainers; [
+    khaneliman
+  ];
+
+  options.services.hyprsunset = {
+    enable = lib.mkEnableOption "Hyprsunset, Hyprland's blue-light filter";
+
+    package = lib.mkPackageOption pkgs "hyprsunset" { };
+
+    extraArgs = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      description = "Additional command-line arguments to pass to `hyprsunset`.";
+      example = [
+        "--identity"
+      ];
+    };
+
+    transitions = lib.mkOption {
+      type = lib.types.attrsOf (
+        lib.types.submodule {
+          options = {
+            calendar = lib.mkOption {
+              type = lib.types.str;
+              description = "Systemd calendar expression for when to run this transition.";
+              example = "*-*-* 06:00:00";
+            };
+
+            extraArgs = lib.mkOption {
+              type = lib.types.listOf lib.types.str;
+              default = [ ];
+              description = "Additional command-line arguments to pass to `hyprctl hyprsunset` for this transition.";
+              example = [
+                "temperature 3500"
+              ];
+            };
+          };
+        }
+      );
+      default = { };
+      description = "Set of transitions for different times of day (e.g., sunrise, sunset)";
+      example = lib.literalExpression ''
+        {
+          sunrise = {
+            calendar = "*-*-* 06:00:00";
+            extraArgs = [ "temperature" "6500" ];
+          };
+          sunset = {
+            calendar = "*-*-* 19:00:00";
+            extraArgs = [ "temperature" "3500" ];
+          };
+        }
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.user =
+      let
+        # Create the main persistent service that maintains the IPC socket
+        # Create a service for each transition in the transitions configuration
+        # These services will send commands to the persistent service via IPC
+        transitionServices = lib.mapAttrs' (
+          name: transitionCfg:
+          lib.nameValuePair "hyprsunset-${name}" {
+            Install = { };
+
+            Unit = {
+              ConditionEnvironment = "WAYLAND_DISPLAY";
+              Description = "hyprsunset transition for ${name}";
+              After = [ "hyprsunset.service" ];
+              Requires = [ "hyprsunset.service" ];
+            };
+
+            Service = {
+              ExecStart = "${lib.getExe' config.wayland.windowManager.hyprland.package "hyprctl"} hyprsunset ${lib.escapeShellArgs transitionCfg.extraArgs}";
+              Type = "oneshot";
+            };
+          }
+        ) cfg.transitions;
+      in
+      {
+        services = {
+          hyprsunset = {
+            Install = {
+              WantedBy = [ config.wayland.systemd.target ];
+            };
+
+            Unit = {
+              ConditionEnvironment = "WAYLAND_DISPLAY";
+              Description = "hyprsunset - Hyprland's blue-light filter";
+              After = [ config.wayland.systemd.target ];
+              PartOf = [ config.wayland.systemd.target ];
+            };
+
+            Service = {
+              ExecStart = "${lib.getExe cfg.package} ${lib.escapeShellArgs cfg.extraArgs}";
+              Restart = "always";
+              RestartSec = "10";
+            };
+          };
+        } // transitionServices;
+
+        timers = lib.mapAttrs' (
+          name: transitionCfg:
+          lib.nameValuePair "hyprsunset-${name}" {
+            Install = {
+              WantedBy = [ config.wayland.systemd.target ];
+            };
+
+            Unit = {
+              Description = "Timer for hyprsunset transition (${name})";
+            };
+
+            Timer = {
+              OnCalendar = transitionCfg.calendar;
+              Persistent = true;
+            };
+          }
+        ) cfg.transitions;
+      };
+  };
+}

tests/default.nix

@@ -579,6 +579,7 @@ import nmtSrc {
       ./modules/services/hypridle
       ./modules/services/hyprpaper
       ./modules/services/hyprpolkitagent
+      ./modules/services/hyprsunset
       ./modules/services/imapnotify
       ./modules/services/kanshi
       ./modules/services/lieer

tests/modules/services/hyprsunset/basic-configuration.nix

@@ -0,0 +1,44 @@
+{
+  services.hyprsunset = {
+    enable = true;
+    extraArgs = [ "--identity" ];
+
+    transitions = {
+      sunrise = {
+        calendar = "*-*-* 06:30:00";
+        extraArgs = [ "temperature 6500" ];
+      };
+
+      sunset = {
+        calendar = "*-*-* 19:30:00";
+        extraArgs = [ "temperature 3500" ];
+      };
+    };
+  };
+
+  nmt.script = ''
+    # Check that the main service exists
+    mainService=home-files/.config/systemd/user/hyprsunset.service
+    assertFileExists $mainService
+
+    # Check that the transition services exist
+    sunriseService=home-files/.config/systemd/user/hyprsunset-sunrise.service
+    sunsetService=home-files/.config/systemd/user/hyprsunset-sunset.service
+    assertFileExists $sunriseService
+    assertFileExists $sunsetService
+
+    # Check that the timers exist
+    sunriseTimer=home-files/.config/systemd/user/hyprsunset-sunrise.timer
+    sunsetTimer=home-files/.config/systemd/user/hyprsunset-sunset.timer
+    assertFileExists $sunriseTimer
+    assertFileExists $sunsetTimer
+
+    # Verify timer configurations
+    assertFileContains $sunriseTimer "OnCalendar=*-*-* 06:30:00"
+    assertFileContains $sunsetTimer "OnCalendar=*-*-* 19:30:00"
+
+    # Verify service configurations
+    assertFileContains $sunriseService "ExecStart=@hyprland@/bin/hyprctl hyprsunset 'temperature 6500'"
+    assertFileContains $sunsetService "ExecStart=@hyprland@/bin/hyprctl hyprsunset 'temperature 3500'"
+  '';
+}

tests/modules/services/hyprsunset/default.nix

@@ -0,0 +1,3 @@
+{
+  hyprsunset-basic-configuration = ./basic-configuration.nix;
+}