forked from mirrors/nixpkgs
183 lines
4.7 KiB
Nix
183 lines
4.7 KiB
Nix
{ lib, stdenv
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, fetchurl
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, fetchpatch
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, substituteAll
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, meson
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, ninja
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, python3
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, rsync
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, pkg-config
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, glib
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, itstool
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, libxml2
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, xorg
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, accountsservice
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, libX11
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, gnome3
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, systemd
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, dconf
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, gtk3
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, libcanberra-gtk3
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, pam
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, libselinux
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, keyutils
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, audit
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, gobject-introspection
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, plymouth
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, librsvg
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, coreutils
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, xwayland
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, dbus
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, nixos-icons
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}:
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let
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icon = fetchurl {
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url = "https://raw.githubusercontent.com/NixOS/nixos-artwork/4f041870efa1a6f0799ef4b32bb7be2cafee7a74/logo/nixos.svg";
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sha256 = "0b0dj408c1wxmzy6k0pjwc4bzwq286f1334s3cqqwdwjshxskshk";
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};
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override = substituteAll {
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src = ./org.gnome.login-screen.gschema.override;
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inherit icon;
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};
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in
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stdenv.mkDerivation rec {
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pname = "gdm";
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version = "3.38.2.1";
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outputs = [ "out" "dev" ];
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src = fetchurl {
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url = "mirror://gnome/sources/gdm/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
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sha256 = "yliiBdXr/L2rVqEXFriY4Wrl3/Ia7nnQdgRkRGKOxNo=";
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};
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mesonFlags = [
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"-Dgdm-xsession=true"
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# TODO: Setup a default-path? https://gitlab.gnome.org/GNOME/gdm/-/blob/6fc40ac6aa37c8ad87c32f0b1a5d813d34bf7770/meson_options.txt#L6
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"-Dinitial-vt=${passthru.initialVT}"
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"-Dudev-dir=${placeholder "out"}/lib/udev/rules.d"
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"-Dsystemdsystemunitdir=${placeholder "out"}/lib/systemd/system"
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"-Dsystemduserunitdir=${placeholder "out"}/lib/systemd/user"
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"--sysconfdir=/etc"
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"--localstatedir=/var"
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];
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nativeBuildInputs = [
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dconf
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glib # for glib-compile-schemas
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itstool
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meson
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ninja
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pkg-config
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python3
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rsync
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];
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buildInputs = [
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accountsservice
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audit
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glib
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gobject-introspection
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gtk3
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keyutils
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libX11
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libcanberra-gtk3
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libselinux
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pam
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plymouth
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systemd
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xorg.libXdmcp
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];
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patches = [
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# https://gitlab.gnome.org/GNOME/gdm/-/merge_requests/112
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(fetchpatch {
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url = "https://gitlab.gnome.org/GNOME/gdm/-/commit/1d28d4b3568381b8590d2235737b924aefd1746c.patch";
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sha256 = "ZUXKZS4T0o0hzrApxaqcR0txCRv5zBgqeQ9K9fLNX1o=";
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})
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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 dbus;
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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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./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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postPatch = ''
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patchShebangs build-aux/meson_post_install.py
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# Upstream checks some common paths to find an `X` binary. We already know it.
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echo #!/bin/sh > build-aux/find-x-server.sh
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echo "echo ${lib.getBin xorg.xorgserver}/bin/X" >> build-aux/find-x-server.sh
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patchShebangs build-aux/find-x-server.sh
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'';
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preInstall = ''
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install -D ${override} ${DESTDIR}/$out/share/glib-2.0/schemas/org.gnome.login-screen.gschema.override
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'';
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postInstall = ''
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# Move stuff from DESTDIR to proper location.
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# We use rsync to merge the directories.
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rsync --archive "${DESTDIR}/etc" "$out"
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rm --recursive "${DESTDIR}/etc"
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for o in $outputs; do
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rsync --archive "${DESTDIR}/''${!o}" "$(dirname "''${!o}")"
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rm --recursive "${DESTDIR}/''${!o}"
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done
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# Ensure the DESTDIR is removed.
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rmdir "${DESTDIR}/nix/store" "${DESTDIR}/nix" "${DESTDIR}"
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# We are setting DESTDIR so the post-install script does not compile the schemas.
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glib-compile-schemas "$out/share/glib-2.0/schemas"
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'';
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# HACK: We want to install configuration files to $out/etc
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# but GDM should read them from /etc on a NixOS system.
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# With autotools, it was possible to override Make variables
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# at install time but Meson does not support this
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# so we need to convince it to install all files to a temporary
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# location using DESTDIR and then move it to proper one in postInstall.
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DESTDIR = "${placeholder "out"}/dest";
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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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# Used in GDM NixOS module
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# Don't remove.
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initialVT = "7";
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};
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meta = with 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 = teams.gnome.members;
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platforms = platforms.linux;
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};
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}
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