nixpkgs/nixos/modules/services/x11/desktop-managers/gnome3.nix
Jan Tojnar 1566de20c7
nixos/gnome3: override schemas using env variable
For some reason, the GNOME 3.26 update broke the overrides. It turns
out the overrides now need to come before the overridden schemas in the
XDG_DATA_DIRS variable. This is not possible in general due to applications
prefixing the variable (e.g. in wrapGAppsHook).

To fix this, a new environment variable NIX_GSETTINGS_OVERRIDES_DIR
was introduced. It has greater priority than XDG_DATA_DIRS but lower
than GSETTINGS_SCHEMA_DIR. A separate variable was chosen in order not
to block the built-in one for users.
2017-11-26 03:11:00 +01:00

195 lines
7.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.xserver.desktopManager.gnome3;
# Remove packages of ys from xs, based on their names
removePackagesByName = xs: ys:
let
pkgName = drv: (builtins.parseDrvName drv.name).name;
ysNames = map pkgName ys;
res = (filter (x: !(builtins.elem (pkgName x) ysNames)) xs);
in
filter (x: !(builtins.elem (pkgName x) ysNames)) xs;
# Prioritize nautilus by default when opening directories
mimeAppsList = pkgs.writeTextFile {
name = "gnome-mimeapps";
destination = "/share/applications/mimeapps.list";
text = ''
[Default Applications]
inode/directory=nautilus.desktop;org.gnome.Nautilus.desktop
'';
};
nixos-gsettings-desktop-schemas = pkgs.runCommand "nixos-gsettings-desktop-schemas" {}
''
mkdir -p $out/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas
cp -rf ${pkgs.gnome3.gsettings_desktop_schemas}/share/gsettings-schemas/gsettings-desktop-schemas*/glib-2.0/schemas/*.xml $out/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas
${concatMapStrings (pkg: "cp -rf ${pkg}/share/gsettings-schemas/*/glib-2.0/schemas/*.xml $out/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas\n") cfg.extraGSettingsOverridePackages}
chmod -R a+w $out/share/gsettings-schemas/nixos-gsettings-overrides
cat - > $out/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas/nixos-defaults.gschema.override <<- EOF
[org.gnome.desktop.background]
picture-uri='${pkgs.nixos-artwork.wallpapers.gnome-dark}/share/artwork/gnome/Gnome_Dark.png'
[org.gnome.desktop.screensaver]
picture-uri='${pkgs.nixos-artwork.wallpapers.gnome-dark}/share/artwork/gnome/Gnome_Dark.png'
${cfg.extraGSettingsOverrides}
EOF
${pkgs.glib.dev}/bin/glib-compile-schemas $out/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas/
'';
in {
options = {
services.xserver.desktopManager.gnome3 = {
enable = mkOption {
default = false;
description = "Enable Gnome 3 desktop manager.";
};
sessionPath = mkOption {
default = [];
example = literalExample "[ pkgs.gnome3.gpaste ]";
description = "Additional list of packages to be added to the session search path.
Useful for gnome shell extensions or gsettings-conditionated autostart.";
apply = list: list ++ [ pkgs.gnome3.gnome_shell pkgs.gnome3.gnome-shell-extensions ];
};
extraGSettingsOverrides = mkOption {
default = "";
type = types.lines;
description = "Additional gsettings overrides.";
};
extraGSettingsOverridePackages = mkOption {
default = [];
type = types.listOf types.path;
description = "List of packages for which gsettings are overridden.";
};
debug = mkEnableOption "gnome-session debug messages";
};
environment.gnome3.excludePackages = mkOption {
default = [];
example = literalExample "[ pkgs.gnome3.totem ]";
type = types.listOf types.package;
description = "Which packages gnome should exclude from the default environment";
};
};
config = mkIf cfg.enable {
# Enable helpful DBus services.
security.polkit.enable = true;
services.udisks2.enable = true;
services.accounts-daemon.enable = true;
services.geoclue2.enable = mkDefault true;
services.dleyna-renderer.enable = mkDefault true;
services.dleyna-server.enable = mkDefault true;
services.gnome3.at-spi2-core.enable = true;
services.gnome3.evolution-data-server.enable = true;
services.gnome3.gnome-disks.enable = mkDefault true;
services.gnome3.gnome-documents.enable = mkDefault true;
services.gnome3.gnome-keyring.enable = true;
services.gnome3.gnome-online-accounts.enable = mkDefault true;
services.gnome3.gnome-terminal-server.enable = mkDefault true;
services.gnome3.gnome-user-share.enable = mkDefault true;
services.gnome3.gvfs.enable = true;
services.gnome3.seahorse.enable = mkDefault true;
services.gnome3.sushi.enable = mkDefault true;
services.gnome3.tracker.enable = mkDefault true;
services.gnome3.tracker-miners.enable = mkDefault true;
hardware.pulseaudio.enable = mkDefault true;
services.telepathy.enable = mkDefault true;
networking.networkmanager.enable = mkDefault true;
services.upower.enable = config.powerManagement.enable;
services.dbus.packages = mkIf config.services.printing.enable [ pkgs.system-config-printer ];
services.colord.enable = mkDefault true;
services.packagekit.enable = mkDefault true;
hardware.bluetooth.enable = mkDefault true;
services.xserver.libinput.enable = mkDefault true; # for controlling touchpad settings via gnome control center
services.udev.packages = [ pkgs.gnome3.gnome_settings_daemon ];
systemd.packages = [ pkgs.gnome3.vino ];
# If gnome3 is installed, build vim for gtk3 too.
nixpkgs.config.vim.gui = "gtk3";
fonts.fonts = [ pkgs.dejavu_fonts pkgs.cantarell_fonts ];
services.xserver.desktopManager.session = singleton
{ name = "gnome3";
bgSupport = true;
start = ''
# Set GTK_DATA_PREFIX so that GTK+ can find the themes
export GTK_DATA_PREFIX=${config.system.path}
# find theme engines
export GTK_PATH=${config.system.path}/lib/gtk-3.0:${config.system.path}/lib/gtk-2.0
export XDG_MENU_PREFIX=gnome
${concatMapStrings (p: ''
if [ -d "${p}/share/gsettings-schemas/${p.name}" ]; then
export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}${p}/share/gsettings-schemas/${p.name}
fi
if [ -d "${p}/lib/girepository-1.0" ]; then
export GI_TYPELIB_PATH=$GI_TYPELIB_PATH''${GI_TYPELIB_PATH:+:}${p}/lib/girepository-1.0
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}${p}/lib
fi
'') cfg.sessionPath}
# Override default mimeapps
export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}${mimeAppsList}/share
# Override gsettings-desktop-schema
export NIX_GSETTINGS_OVERRIDES_DIR=${nixos-gsettings-desktop-schemas}/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas
# Let nautilus find extensions
export NAUTILUS_EXTENSION_DIR=${config.system.path}/lib/nautilus/extensions-3.0/
# Find the mouse
export XCURSOR_PATH=~/.icons:${config.system.path}/share/icons
# Update user dirs as described in http://freedesktop.org/wiki/Software/xdg-user-dirs/
${pkgs.xdg-user-dirs}/bin/xdg-user-dirs-update
${pkgs.gnome3.gnome_session}/bin/gnome-session ${optionalString cfg.debug "--debug"} &
waitPID=$!
'';
};
services.xserver.updateDbusEnvironment = true;
environment.variables.GIO_EXTRA_MODULES = [ "${lib.getLib pkgs.gnome3.dconf}/lib/gio/modules"
"${pkgs.gnome3.glib_networking.out}/lib/gio/modules"
"${pkgs.gnome3.gvfs}/lib/gio/modules" ];
environment.systemPackages = pkgs.gnome3.corePackages ++ cfg.sessionPath
++ (removePackagesByName pkgs.gnome3.optionalPackages config.environment.gnome3.excludePackages);
# Use the correct gnome3 packageSet
networking.networkmanager.basePackages =
{ inherit (pkgs) networkmanager modemmanager wpa_supplicant;
inherit (pkgs.gnome3) networkmanager_openvpn networkmanager_vpnc
networkmanager_openconnect networkmanager_fortisslvpn
networkmanager_pptp networkmanager_iodine
networkmanager_l2tp; };
# Needed for themes and backgrounds
environment.pathsToLink = [ "/share" ];
};
}