f908bf2730
When GDM launches a new session it will inherit the user's systemd environment (but only unset variables). If `__NIXOS_SET_ENVIRONMENT_DONE` is set in the user's systemd environment it will prevent the environment to be set properly or updated (eg. after having done a system rebuild). Gnome sessions exports their environment to systemd at startup. If something is keeping the user's systemd process alive (eg. ssh) launching a new gnome session after logging out will result in a broken PATH. Specifically the PATH will be inherited from GDM and never reset. We patch GDM to never inherit `__NIXOS_SET_ENVIRONMENT_DONE` so new sessions will always reset their base environment. fixes https://github.com/NixOS/nixpkgs/issues/48255 For more info about the environment setup: https://github.com/NixOS/nixpkgs/pull/45784
86 lines
2.7 KiB
Nix
86 lines
2.7 KiB
Nix
{ stdenv, fetchurl, substituteAll, pkgconfig, glib, itstool, libxml2, xorg
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, intltool, accountsservice, libX11, gnome3, systemd, autoreconfHook
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, gtk, libcanberra-gtk3, pam, libtool, gobjectIntrospection, plymouth
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, librsvg, coreutils, xwayland }:
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stdenv.mkDerivation rec {
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name = "gdm-${version}";
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version = "3.28.3";
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src = fetchurl {
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url = "mirror://gnome/sources/gdm/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
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sha256 = "12d1cp2dyca8rwh9y9cg8xn6grdp8nmxkkqwg4xpkr8i8ml65n88";
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};
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# Only needed to make it build
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preConfigure = ''
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substituteInPlace ./configure --replace "/usr/bin/X" "${xorg.xorgserver.out}/bin/X"
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'';
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configureFlags = [
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"--sysconfdir=/etc"
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"--localstatedir=/var"
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"--with-plymouth=yes"
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"--enable-gdm-xsession"
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"--with-initial-vt=7"
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"--with-systemdsystemunitdir=$(out)/etc/systemd/system"
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];
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nativeBuildInputs = [ pkgconfig libxml2 itstool intltool autoreconfHook libtool gnome3.dconf ];
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buildInputs = [
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glib accountsservice systemd
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gobjectIntrospection libX11 gtk
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libcanberra-gtk3 pam plymouth librsvg
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];
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enableParallelBuilding = true;
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# Disable Access Control because our X does not support FamilyServerInterpreted yet
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patches = [
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# Change hardcoded paths to nix store paths.
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(substituteAll {
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src = ./fix-paths.patch;
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inherit coreutils plymouth xwayland;
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})
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# The following patches implement certain environment variables in GDM which are set by
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# the gdm configuration module (nixos/modules/services/x11/display-managers/gdm.nix).
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# Look for session definition files in the directory specified by GDM_SESSIONS_DIR.
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./sessions_dir.patch
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# Allow specifying X server arguments with GDM_X_SERVER_EXTRA_ARGS.
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./gdm-x-session_extra_args.patch
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# Allow specifying a wrapper for running the session command.
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./gdm-x-session_session-wrapper.patch
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# Forwards certain environment variables to the gdm-x-session child process
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# to ensure that the above two patches actually work.
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./gdm-session-worker_forward-vars.patch
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# Set up the environment properly when launching sessions
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# https://github.com/NixOS/nixpkgs/issues/48255
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./reset-environment.patch
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];
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installFlags = [
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"sysconfdir=$(out)/etc"
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"dbusconfdir=$(out)/etc/dbus-1/system.d"
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];
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passthru = {
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updateScript = gnome3.updateScript {
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packageName = "gdm";
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attrPath = "gnome3.gdm";
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};
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};
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meta = with stdenv.lib; {
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description = "A program that manages graphical display servers and handles graphical user logins";
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homepage = https://wiki.gnome.org/Projects/GDM;
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license = licenses.gpl2Plus;
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maintainers = gnome3.maintainers;
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platforms = platforms.linux;
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};
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}
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