Merge pull request #97972 from mvnetbiz/power-profiles-daemon

nixos/modules/module-list.nix

@@ -374,6 +374,7 @@
   ./services/hardware/nvidia-optimus.nix
   ./services/hardware/pcscd.nix
   ./services/hardware/pommed.nix
+  ./services/hardware/power-profiles-daemon.nix
   ./services/hardware/ratbagd.nix
   ./services/hardware/sane.nix
   ./services/hardware/sane_extra_backends/brscan4.nix

nixos/modules/services/hardware/power-profiles-daemon.nix

@@ -0,0 +1,53 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.power-profiles-daemon;
+  package = pkgs.power-profiles-daemon;
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.power-profiles-daemon = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable power-profiles-daemon, a DBus daemon that allows
+          changing system behavior based upon user-selected power profiles.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    assertions = [
+      { assertion = !config.services.tlp.enable;
+        message = ''
+          You have set services.power-profiles-daemon.enable = true;
+          which conflicts with services.tlp.enable = true;
+        '';
+      }
+    ];
+
+    services.dbus.packages = [ package ];
+
+    services.udev.packages = [ package ];
+
+    systemd.packages = [ package ];
+
+  };
+
+}

nixos/tests/power-profiles-daemon.nix

@@ -0,0 +1,45 @@
+import ./make-test-python.nix ({ pkgs, ... }:
+
+{
+  name = "power-profiles-daemon";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ mvnetbiz ];
+  };
+  machine = { pkgs, ... }: {
+    services.power-profiles-daemon.enable = true;
+    environment.systemPackages = [ pkgs.glib ];
+  };
+
+  testScript = ''
+    def get_profile():
+        return machine.succeed(
+            """gdbus call --system --dest net.hadess.PowerProfiles --object-path /net/hadess/PowerProfiles \
+    --method org.freedesktop.DBus.Properties.Get 'net.hadess.PowerProfiles' 'ActiveProfile'
+    """
+        )
+
+
+    def set_profile(profile):
+        return machine.succeed(
+            """gdbus call --system --dest net.hadess.PowerProfiles --object-path /net/hadess/PowerProfiles \
+    --method org.freedesktop.DBus.Properties.Set 'net.hadess.PowerProfiles' 'ActiveProfile' "<'{profile}'>"
+    """.format(
+                profile=profile
+            )
+        )
+
+
+    machine.wait_for_unit("multi-user.target")
+
+    set_profile("power-saver")
+    profile = get_profile()
+    if not "power-saver" in profile:
+        raise Exception("Unable to set power-saver profile")
+
+
+    set_profile("balanced")
+    profile = get_profile()
+    if not "balanced" in profile:
+        raise Exception("Unable to set balanced profile")
+  '';
+})

pkgs/os-specific/linux/power-profiles-daemon/default.nix

@@ -0,0 +1,66 @@
+{ stdenv
+, lib
+, pkg-config
+, meson
+, ninja
+, fetchFromGitLab
+, libgudev
+, glib
+, gobject-introspection
+, gettext
+, gtk-doc
+, docbook-xsl-nons
+, docbook_xml_dtd_412
+, libxml2
+, libxslt
+, upower
+, systemd
+}:
+
+stdenv.mkDerivation rec {
+  pname = "power-profiles-daemon";
+  version = "0.1";
+
+  outputs = [ "out" "devdoc" ];
+
+  src = fetchFromGitLab {
+    domain = "gitlab.freedesktop.org";
+    owner = "hadess";
+    repo = "power-profiles-daemon";
+    rev = version;
+    sha256 = "012w3aryw5d43dr9jj5i6wy2a0n21jidr4ggs9ix7d4z9byr175w";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+    gettext
+    gtk-doc
+    docbook-xsl-nons
+    docbook_xml_dtd_412
+    libxml2 # for xmllint for stripping GResources
+    libxslt # for xsltproc for building docs
+    gobject-introspection
+  ];
+
+  buildInputs = [
+    libgudev
+    systemd
+    upower
+    glib
+  ];
+
+  mesonFlags = [
+    "-Dsystemdsystemunitdir=${placeholder "out"}/lib/systemd/system"
+    "-Dgtk_doc=true"
+  ];
+
+  meta = with lib; {
+    homepage = "https://gitlab.freedesktop.org/hadess/power-profiles-daemon";
+    description = "Makes user-selected power profiles handling available over D-Bus";
+    platforms = platforms.linux;
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ mvnetbiz ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -7181,6 +7181,8 @@ in
 
   povray = callPackage ../tools/graphics/povray { };
 
+  power-profiles-daemon = callPackage ../os-specific/linux/power-profiles-daemon { };
+
   ppl = callPackage ../development/libraries/ppl { };
 
   pplatex = callPackage ../tools/typesetting/tex/pplatex { };