230 lines
7.7 KiB
Nix
230 lines
7.7 KiB
Nix
{ stdenv
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, lib
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, autoreconfHook
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, fetchurl
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, gettext
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, glib
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, gnome-bluetooth
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, gnome-desktop
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, gnome-panel
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, gnome-session
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, gnome
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, gsettings-desktop-schemas
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, gtk3
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, ibus
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, libcanberra-gtk3
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, libpulseaudio
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, libxkbfile
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, libxml2
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, pkg-config
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, polkit
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, gdm
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, systemd
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, upower
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, pam
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, wrapGAppsHook
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, writeTextFile
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, xkeyboard_config
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, xorg
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, runCommand
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, buildEnv
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}:
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let
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pname = "gnome-flashback";
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version = "3.46.0";
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# From data/sessions/Makefile.am
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requiredComponentsCommon = enableGnomePanel:
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[ "gnome-flashback" ]
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++ lib.optional enableGnomePanel "gnome-panel";
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requiredComponentsGsd = [
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"org.gnome.SettingsDaemon.A11ySettings"
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"org.gnome.SettingsDaemon.Color"
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"org.gnome.SettingsDaemon.Datetime"
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"org.gnome.SettingsDaemon.Housekeeping"
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"org.gnome.SettingsDaemon.Keyboard"
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"org.gnome.SettingsDaemon.MediaKeys"
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"org.gnome.SettingsDaemon.Power"
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"org.gnome.SettingsDaemon.PrintNotifications"
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"org.gnome.SettingsDaemon.Rfkill"
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"org.gnome.SettingsDaemon.ScreensaverProxy"
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"org.gnome.SettingsDaemon.Sharing"
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"org.gnome.SettingsDaemon.Smartcard"
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"org.gnome.SettingsDaemon.Sound"
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"org.gnome.SettingsDaemon.UsbProtection"
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"org.gnome.SettingsDaemon.Wacom"
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"org.gnome.SettingsDaemon.XSettings"
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];
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requiredComponents = wmName: enableGnomePanel: "RequiredComponents=${lib.concatStringsSep ";" ([ wmName ] ++ requiredComponentsCommon enableGnomePanel ++ requiredComponentsGsd)};";
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gnome-flashback = stdenv.mkDerivation rec {
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name = "${pname}-${version}";
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src = fetchurl {
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url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${name}.tar.xz";
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sha256 = "sha256-eo1cAzEOTfrdGKZeAKN3QQMq/upUGN1oBKl1xLCYAEU=";
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};
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# make .desktop Execs absolute
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postPatch = ''
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patch -p0 <<END_PATCH
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+++ data/applications/gnome-flashback.desktop.in.in
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@@ -4 +4 @@
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-Exec=gnome-flashback
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+Exec=$out/bin/gnome-flashback
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END_PATCH
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'';
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postInstall = ''
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# Check that our expected RequiredComponents match the stock session files, but then don't install them.
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# They can be installed using mkSessionForWm.
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grep '${requiredComponents "metacity" true}' $out/share/gnome-session/sessions/gnome-flashback-metacity.session || (echo "RequiredComponents have changed, please update gnome-flashback/default.nix."; false)
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rm -r $out/share/gnome-session
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rm -r $out/share/xsessions
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rm -r $out/libexec
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'';
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nativeBuildInputs = [
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autoreconfHook
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gettext
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libxml2
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pkg-config
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wrapGAppsHook
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];
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buildInputs = [
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glib
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gnome-bluetooth
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gnome-desktop
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gsettings-desktop-schemas
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gtk3
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ibus
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libcanberra-gtk3
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libpulseaudio
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libxkbfile
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xorg.libXxf86vm
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polkit
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gdm
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gnome-panel
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systemd
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upower
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pam
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xkeyboard_config
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];
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doCheck = true;
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enableParallelBuilding = true;
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PKG_CONFIG_LIBGNOME_PANEL_LAYOUTSDIR = "${placeholder "out"}/share/gnome-panel/layouts";
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PKG_CONFIG_LIBGNOME_PANEL_MODULESDIR = "${placeholder "out"}/lib/gnome-panel/modules";
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passthru = {
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updateScript = gnome.updateScript {
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packageName = pname;
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attrPath = "gnome.${pname}";
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versionPolicy = "odd-unstable";
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};
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mkSessionForWm = { wmName, wmLabel, wmCommand, enableGnomePanel, panelModulePackages }:
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let
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wmApplication = writeTextFile {
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name = "gnome-flashback-${wmName}-wm";
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destination = "/share/applications/${wmName}.desktop";
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text = ''
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[Desktop Entry]
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Type=Application
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Encoding=UTF-8
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Name=${wmLabel}
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Exec=${wmCommand}
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NoDisplay=true
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X-GNOME-WMName=${wmLabel}
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X-GNOME-Autostart-Phase=WindowManager
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X-GNOME-Provides=windowmanager
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X-GNOME-Autostart-Notify=false
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'';
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};
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gnomeSession = writeTextFile {
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name = "gnome-flashback-${wmName}-gnome-session";
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destination = "/share/gnome-session/sessions/gnome-flashback-${wmName}.session";
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text = ''
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[GNOME Session]
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Name=GNOME Flashback (${wmLabel})
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${requiredComponents wmName enableGnomePanel}
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'';
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};
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# gnome-panel will only look for applets in a single directory so symlink them into here.
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panelModulesEnv = buildEnv {
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name = "gnome-panel-modules-env";
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# We always want to find the built-in panel applets.
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paths = [ gnome-panel gnome-flashback ] ++ panelModulePackages;
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pathsToLink = [ "/lib/gnome-panel/modules" ];
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};
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executable = stdenv.mkDerivation {
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name = "gnome-flashback-${wmName}";
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nativeBuildInputs = [ glib wrapGAppsHook ];
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buildInputs = [ gnome-flashback ] ++ lib.optionals enableGnomePanel ([ gnome-panel ] ++ panelModulePackages);
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# We want to use the wrapGAppsHook mechanism to wrap gnome-session
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# with the environment that gnome-flashback and gnome-panel need to
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# run, including the configured applet packages. This is only possible
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# in the fixup phase, so turn everything else off.
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dontUnpack = true;
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dontConfigure = true;
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dontBuild = true;
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dontInstall = true;
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dontWrapGApps = true; # We want to do the wrapping ourselves.
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# gnome-flashback and gnome-panel need to be added to XDG_DATA_DIRS so that their .desktop files can be found by gnome-session.
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# We need to pass the --builtin flag so that gnome-session invokes gnome-session-binary instead of systemd.
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# If systemd is used, it doesn't use the environment we set up here and so it can't find the .desktop files.
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preFixup = ''
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makeWrapper ${gnome-session}/bin/gnome-session $out \
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--add-flags "--session=gnome-flashback-${wmName} --builtin" \
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--set-default XDG_CURRENT_DESKTOP 'GNOME-Flashback:GNOME' \
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--prefix XDG_DATA_DIRS : '${lib.makeSearchPath "share" ([ wmApplication gnomeSession gnome-flashback ] ++ lib.optional enableGnomePanel gnome-panel)}' \
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"''${gappsWrapperArgs[@]}" \
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${lib.optionalString enableGnomePanel "--set NIX_GNOME_PANEL_MODULESDIR '${panelModulesEnv}/lib/gnome-panel/modules'"}
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'';
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};
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in
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writeTextFile
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{
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name = "gnome-flashback-${wmName}-xsession";
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destination = "/share/xsessions/gnome-flashback-${wmName}.desktop";
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text = ''
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[Desktop Entry]
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Name=GNOME Flashback (${wmLabel})
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Comment=This session logs you into GNOME Flashback with ${wmLabel}
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Exec=${executable}
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TryExec=${wmCommand}
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Type=Application
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DesktopNames=GNOME-Flashback;GNOME;
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'';
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} // {
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providedSessions = [ "gnome-flashback-${wmName}" ];
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};
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mkSystemdTargetForWm = { wmName, wmLabel, wmCommand, enableGnomePanel }:
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runCommand "gnome-flashback-${wmName}.target" {} ''
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mkdir -p $out/lib/systemd/user
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cp -r "${gnome-flashback}/lib/systemd/user/gnome-session@gnome-flashback-metacity.target.d" \
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"$out/lib/systemd/user/gnome-session@gnome-flashback-${wmName}.target.d"
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'';
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};
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meta = with lib; {
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description = "GNOME 2.x-like session for GNOME 3";
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homepage = "https://wiki.gnome.org/Projects/GnomeFlashback";
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license = licenses.gpl2;
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maintainers = teams.gnome.members;
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platforms = platforms.linux;
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};
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};
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in
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gnome-flashback
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