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|
{
nixpkgsFor,
system,
nixpkgs,
home-manager,
}:
{
lib,
stdenv,
closureInfo,
writeScript,
runtimeShell,
writeText,
symlinkJoin,
vmTools,
runCommand,
fetchFromGitHub,
zstd,
nix,
sqlite,
name ? throw "name is required",
version ? throw "version is required",
pname ? "${name}-${version}",
modules ? [ ],
nixosModules ? [ ],
script ? ''
exec "$SHELL" "$@"
'',
id ? name,
identity ? throw "identity is required",
groups ? [ ],
userns ? false,
net ? true,
dev ? false,
no_new_session ? false,
map_real_uid ? false,
direct_wayland ? false,
system_bus ? null,
session_bus ? null,
allow_wayland ? true,
allow_x11 ? false,
allow_dbus ? true,
allow_audio ? true,
gpu ? allow_wayland || allow_x11,
}:
let
inherit (lib) optionals;
homeManagerConfiguration = home-manager.lib.homeManagerConfiguration {
pkgs = nixpkgsFor.${system};
modules = modules ++ [
{
home = {
username = "hakurei";
homeDirectory = "/data/data/${id}";
stateVersion = "22.11";
};
}
];
};
launcher = writeScript "hakurei-${pname}" ''
#!${runtimeShell} -el
${script}
'';
extraNixOSConfig =
{ pkgs, ... }:
{
environment = {
etc.nixpkgs.source = nixpkgs.outPath;
systemPackages = [ pkgs.nix ];
};
imports = nixosModules;
};
nixos = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
extraNixOSConfig
{ nix.settings.experimental-features = [ "flakes" ]; }
{ nix.settings.experimental-features = [ "nix-command" ]; }
{ boot.isContainer = true; }
{ system.stateVersion = "22.11"; }
];
};
etc = vmTools.runInLinuxVM (
runCommand "etc" { } ''
mkdir -p /etc
${nixos.config.system.build.etcActivationCommands}
# remove unused files
rm -rf /etc/sudoers
mkdir -p $out
tar -C /etc -cf "$out/etc.tar" .
''
);
extendSessionDefault = id: ext: {
filter = true;
talk = [ "org.freedesktop.Notifications" ] ++ ext.talk;
own =
(optionals (id != null) [
"${id}.*"
"org.mpris.MediaPlayer2.${id}.*"
])
++ ext.own;
inherit (ext) call broadcast;
};
nixGL = fetchFromGitHub {
owner = "nix-community";
repo = "nixGL";
rev = "310f8e49a149e4c9ea52f1adf70cdc768ec53f8a";
hash = "sha256-lnzZQYG0+EXl/6NkGpyIz+FEOc/DSEG57AP1VsdeNrM=";
};
mesaWrappers =
let
isIntelX86Platform = system == "x86_64-linux";
nixGLPackages = import (nixGL + "/default.nix") {
pkgs = nixpkgs.legacyPackages.${system};
enable32bits = isIntelX86Platform;
enableIntelX86Extensions = isIntelX86Platform;
};
in
symlinkJoin {
name = "nixGL-mesa";
paths = with nixGLPackages; [
nixGLIntel
nixVulkanIntel
];
};
info = builtins.toJSON {
inherit
name
version
id
identity
launcher
groups
userns
net
dev
no_new_session
map_real_uid
direct_wayland
system_bus
gpu
;
session_bus =
if session_bus != null then
(session_bus (extendSessionDefault id))
else
(extendSessionDefault id {
talk = [ ];
own = [ ];
call = { };
broadcast = { };
});
enablements = {
wayland = allow_wayland;
x11 = allow_x11;
dbus = allow_dbus;
pipewire = allow_audio;
pulse = allow_audio;
};
mesa = if gpu then mesaWrappers else null;
nix_gl = if gpu then nixGL else null;
current_system = nixos.config.system.build.toplevel;
activation_package = homeManagerConfiguration.activationPackage;
};
in
stdenv.mkDerivation {
name = "${pname}.pkg";
inherit version;
__structuredAttrs = true;
nativeBuildInputs = [
zstd
nix
sqlite
];
buildCommand = ''
NIX_ROOT="$(mktemp -d)"
export USER="nobody"
# create bootstrap store
bootstrapClosureInfo="${
closureInfo {
rootPaths = [
nix
nixos.config.system.build.toplevel
];
}
}"
echo "copying bootstrap store paths..."
mkdir -p "$NIX_ROOT/nix/store"
xargs -n 1 -a "$bootstrapClosureInfo/store-paths" cp -at "$NIX_ROOT/nix/store/"
NIX_REMOTE="local?root=$NIX_ROOT" nix-store --load-db < "$bootstrapClosureInfo/registration"
NIX_REMOTE="local?root=$NIX_ROOT" nix-store --optimise
sqlite3 "$NIX_ROOT/nix/var/nix/db/db.sqlite" "UPDATE ValidPaths SET registrationTime = ''${SOURCE_DATE_EPOCH}"
chmod -R +r "$NIX_ROOT/nix/var"
# create binary cache
closureInfo="${
closureInfo {
rootPaths = [
homeManagerConfiguration.activationPackage
launcher
]
++ optionals gpu [
mesaWrappers
nixGL
];
}
}"
echo "copying application paths..."
TMP_STORE="$(mktemp -d)"
mkdir -p "$TMP_STORE/nix/store"
xargs -n 1 -a "$closureInfo/store-paths" cp -at "$TMP_STORE/nix/store/"
NIX_REMOTE="local?root=$TMP_STORE" nix-store --load-db < "$closureInfo/registration"
sqlite3 "$TMP_STORE/nix/var/nix/db/db.sqlite" "UPDATE ValidPaths SET registrationTime = ''${SOURCE_DATE_EPOCH}"
NIX_REMOTE="local?root=$TMP_STORE" nix --offline --extra-experimental-features nix-command \
--verbose --log-format raw-with-logs \
copy --all --no-check-sigs --to \
"file://$NIX_ROOT/res?compression=zstd&compression-level=19¶llel-compression=true"
# package /etc
mkdir -p "$NIX_ROOT/etc"
tar -C "$NIX_ROOT/etc" -xf "${etc}/etc.tar"
# write metadata
cp "${writeText "bundle.json" info}" "$NIX_ROOT/bundle.json"
# create an intermediate file to improve zstd performance
INTER="$(mktemp)"
tar -C "$NIX_ROOT" -cf "$INTER" .
zstd -T0 -19 -fo "$out" "$INTER"
'';
}
|
