diff options
Diffstat (limited to 'pkgs/desktops/gnome/core/gdm/default.nix')
| -rw-r--r-- | pkgs/desktops/gnome/core/gdm/default.nix | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/pkgs/desktops/gnome/core/gdm/default.nix b/pkgs/desktops/gnome/core/gdm/default.nix new file mode 100644 index 00000000000..f3044977349 --- /dev/null +++ b/pkgs/desktops/gnome/core/gdm/default.nix @@ -0,0 +1,180 @@ +{ lib, stdenv +, fetchurl +, fetchpatch +, substituteAll +, meson +, ninja +, python3 +, rsync +, pkg-config +, glib +, itstool +, libxml2 +, xorg +, accountsservice +, libX11 +, gnome +, systemd +, dconf +, gtk3 +, libcanberra-gtk3 +, pam +, libselinux +, keyutils +, audit +, gobject-introspection +, plymouth +, librsvg +, coreutils +, xwayland +, dbus +, nixos-icons +}: + +let + + override = substituteAll { + src = ./org.gnome.login-screen.gschema.override; + icon = "${nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake-white.svg"; + }; + +in + +stdenv.mkDerivation rec { + pname = "gdm"; + version = "40.0"; + + outputs = [ "out" "dev" ]; + + src = fetchurl { + url = "mirror://gnome/sources/gdm/${lib.versions.major version}/${pname}-${version}.tar.xz"; + sha256 = "XtdLc506Iy/7HkoTK8+WW9/pVdmVtSh3NYh3WwLylQ4="; + }; + + mesonFlags = [ + "-Dgdm-xsession=true" + # TODO: Setup a default-path? https://gitlab.gnome.org/GNOME/gdm/-/blob/6fc40ac6aa37c8ad87c32f0b1a5d813d34bf7770/meson_options.txt#L6 + "-Dinitial-vt=${passthru.initialVT}" + "-Dudev-dir=${placeholder "out"}/lib/udev/rules.d" + "-Dsystemdsystemunitdir=${placeholder "out"}/lib/systemd/system" + "-Dsystemduserunitdir=${placeholder "out"}/lib/systemd/user" + "--sysconfdir=/etc" + "--localstatedir=/var" + ]; + + nativeBuildInputs = [ + dconf + glib # for glib-compile-schemas + itstool + meson + ninja + pkg-config + python3 + rsync + ]; + + buildInputs = [ + accountsservice + audit + glib + gobject-introspection + gtk3 + keyutils + libX11 + libcanberra-gtk3 + libselinux + pam + plymouth + systemd + xorg.libXdmcp + ]; + + patches = [ + # GDM fails to find g-s with the following error in the journal. + # gdm-x-session[976]: dbus-run-session: failed to exec 'gnome-session': No such file or directory + # https://gitlab.gnome.org/GNOME/gdm/-/merge_requests/92 + (fetchpatch { + url = "https://gitlab.gnome.org/GNOME/gdm/-/commit/ccecd9c975d04da80db4cd547b67a1a94fa83292.patch"; + sha256 = "5hKS9wjjhuSAYwXct5vS0dPbmPRIINJoLC0Zm1naz6Q="; + revert = true; + }) + + # Change hardcoded paths to nix store paths. + (substituteAll { + src = ./fix-paths.patch; + inherit coreutils plymouth xwayland dbus; + }) + + # The following patches implement certain environment variables in GDM which are set by + # the gdm configuration module (nixos/modules/services/x11/display-managers/gdm.nix). + + ./gdm-x-session_extra_args.patch + + # Allow specifying a wrapper for running the session command. + ./gdm-x-session_session-wrapper.patch + + # Forwards certain environment variables to the gdm-x-session child process + # to ensure that the above two patches actually work. + ./gdm-session-worker_forward-vars.patch + + # Set up the environment properly when launching sessions + # https://github.com/NixOS/nixpkgs/issues/48255 + ./reset-environment.patch + ]; + + postPatch = '' + patchShebangs build-aux/meson_post_install.py + + # Upstream checks some common paths to find an `X` binary. We already know it. + echo #!/bin/sh > build-aux/find-x-server.sh + echo "echo ${lib.getBin xorg.xorgserver}/bin/X" >> build-aux/find-x-server.sh + patchShebangs build-aux/find-x-server.sh + ''; + + preInstall = '' + install -D ${override} ${DESTDIR}/$out/share/glib-2.0/schemas/org.gnome.login-screen.gschema.override + ''; + + postInstall = '' + # Move stuff from DESTDIR to proper location. + # We use rsync to merge the directories. + rsync --archive "${DESTDIR}/etc" "$out" + rm --recursive "${DESTDIR}/etc" + for o in $outputs; do + rsync --archive "${DESTDIR}/''${!o}" "$(dirname "''${!o}")" + rm --recursive "${DESTDIR}/''${!o}" + done + # Ensure the DESTDIR is removed. + rmdir "${DESTDIR}/nix/store" "${DESTDIR}/nix" "${DESTDIR}" + + # We are setting DESTDIR so the post-install script does not compile the schemas. + glib-compile-schemas "$out/share/glib-2.0/schemas" + ''; + + # HACK: We want to install configuration files to $out/etc + # but GDM should read them from /etc on a NixOS system. + # With autotools, it was possible to override Make variables + # at install time but Meson does not support this + # so we need to convince it to install all files to a temporary + # location using DESTDIR and then move it to proper one in postInstall. + DESTDIR = "${placeholder "out"}/dest"; + + passthru = { + updateScript = gnome.updateScript { + packageName = "gdm"; + attrPath = "gnome.gdm"; + }; + + # Used in GDM NixOS module + # Don't remove. + initialVT = "7"; + }; + + meta = with lib; { + description = "A program that manages graphical display servers and handles graphical user logins"; + homepage = "https://wiki.gnome.org/Projects/GDM"; + license = licenses.gpl2Plus; + maintainers = teams.gnome.members; + platforms = platforms.linux; + }; +} |