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@balsoft
Last active April 7, 2024 11:36
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chrome-remote-desktop on nixos/nix
{ config, lib, pkgs, ...}:
with lib;
let
cfg = config.services.crd;
in {
options = {
services.crd = {
enable = mkEnableOption ''
chrome remote desktop, a service which allows for remote control of your desktop from anywhere.
'';
user = mkOption {
type = types.submodule;
description = ''
A user which the service will run as.
'';
example = "users.users.alice";
};
screenSize = mkOption {
type = types.string;
description = ''
Size of the screen (for all clients)
'';
default = "1366x768";
example = "1920x1080";
};
session = mkOption {
type = types.string;
description = ''
The X session that chrome remote desktop will control
'';
example = "gnome-session";
};
};
};
config = mkIf cfg.enable {
systemd.services.chrome-remote-desktop = {
description = "Chrome remote desktop service";
path = with pkgs; [ sudo chrome-remote-desktop ];
script = ''
sudo -u ${cfg.user.name} ${pkgs.chrome-remote-desktop}/opt/google/chrome-remote-desktop --start --size=${cfg.screenSize}
'';
};
security.wrappers.crd-user-session.source = "${pkgs.chrome-remote-desktop}/opt/google/chrome-remote-desktop/user-session";
system.activationScripts.crd-setup = {
text = ''
if [[ -z $(cat ${cfg.user.home}/.chrome-remote-desktop-session) ]]; then
# Create the file
echo "export $(dbus-launch)" > ${cfg.user.home}/.chrome-remote-desktop-session
echo "exec ${cfg.session}" >> ${cfg.user.home}/.chrome-remote-desktop-session
fi
'';
};
};
}
{ stdenv, lib, fetchurl, fetchgit, dpkg, python2, glibc, glib, pam, nss, nspr, expat, gnome3, xorg, fontconfig, dbus_daemon, alsaLib }:
stdenv.mkDerivation rec {
name = "chrome-remote-desktop";
src = fetchurl {
sha256 = "d18baa7033d80cf458ffec808dacce11d737bf31e81f25884221867c8c6a3001";
url = "https://dl.google.com/linux/direct/chrome-remote-desktop_current_amd64.deb";
};
unpackPhase = ''
${dpkg}/bin/dpkg -x $src $out
'';
installPhase = ''
'';
patchPhase = ''
sed \
-e '/^.*sudo_command =/ s/"gksudo .*"/"pkexec"/' \
-e '/^.*command =/ s/s -- sh -c/s sh -c/' \
-i $out/opt/google/chrome-remote-desktop/chrome-remote-desktop
substituteInPlace $out/opt/google/chrome-remote-desktop/chrome-remote-desktop --replace /usr/bin/python2 ${python2.withPackages (ps: with ps;[ psutil ])}/bin/python2
'';
preFixup = let
libPath = lib.makeLibraryPath [glib pam nss nspr expat gnome3.gtk gnome3.gconf xorg.libXext xorg.libX11 xorg.libXcomposite xorg.libXrender xorg.libXrandr xorg.libXcursor xorg.libXdamage xorg.libXfixes xorg.libXi xorg.libXtst fontconfig xorg.libXScrnSaver dbus_daemon.lib alsaLib];
in ''
for i in $out/opt/google/$name/{chrome-remote-desktop-host,start-host,native-messaging-host,remote-assistance-host,user-session}; do
patchelf --set-rpath "${libPath}" $i
patchelf --set-interpreter ${glibc}/lib/ld-linux-x86-64.so.2 $i
done
'';
}
@steve-chavez
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@balsoft How can I test it? Running nix-shell gives me:

error: cannot auto-call a function that has an argument without a default value ('stdenv')

@balsoft
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balsoft commented Jan 18, 2020

You'll have to add those files to nixpkgs, then fix them (in this form, it doesn't quite work), then build your system with patched nixpkgs. If you're feeling particularly altruistic, you might even share your results with the world and submit a PR to nixpkgs!

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