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