nix-components
pegasust 2022-11-07 00:23:16 -07:00
commit 9860879bee
32 changed files with 1736 additions and 1 deletions

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@ -5,6 +5,12 @@ Contains my configurations for the software I use.
I'm looking to move forward to configuration with NixOS, but until I get I'm looking to move forward to configuration with NixOS, but until I get
a bit more experiment on NixOS, I'll keep this repository as simple as possible. a bit more experiment on NixOS, I'll keep this repository as simple as possible.
## Nix
Monorepo that contains my commonly used personal environments.
I hope to incorporate my configs at [gh:pegasust/dotfiles](https://github.com/pegasust/dotfiles)
onto this repo for quick env setup (especially devel) on new machines.
## How do I apply these config ## How do I apply these config
- I will always first clone this repository, preferably from local source before - I will always first clone this repository, preferably from local source before

80
home-nix/flake.lock Normal file
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@ -0,0 +1,80 @@
{
"nodes": {
"flake-utils": {
"locked": {
"lastModified": 1667395993,
"narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"home-manager": {
"inputs": {
"nixpkgs": [
"nixpkgs"
],
"utils": "utils"
},
"locked": {
"lastModified": 1667708081,
"narHash": "sha256-FChEy05x4ed/pttjfTeKxjPCnHknMYrUtDyBiYbreT4=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "1ef0da321217c6c19b7a30509631c080a19321e5",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1667629849,
"narHash": "sha256-P+v+nDOFWicM4wziFK9S/ajF2lc0N2Rg9p6Y35uMoZI=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "3bacde6273b09a21a8ccfba15586fb165078fb62",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"flake-utils": "flake-utils",
"home-manager": "home-manager",
"nixpkgs": "nixpkgs"
}
},
"utils": {
"locked": {
"lastModified": 1667395993,
"narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

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home-nix/flake.nix Normal file
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{
description = "simple home-manager config";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
home-manager = {
url = "github:nix-community/home-manager";
inputs.nixpkgs.follows = "nixpkgs";
};
flake-utils.url = "github:numtide/flake-utils";
};
outputs = {nixpkgs, home-manager, ...}:
let system = "x86_64-linux";
pkgs = nixpkgs.legacyPackages.${system};
in {
homeConfigurations.nixos = home-manager.lib.homeManagerConfiguration {
inherit pkgs;
modules = [./home.nix];
};
};
}

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home-nix/home.nix Normal file
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@ -0,0 +1,76 @@
{ config, pkgs,... }:
{
home.username = "nixos";
home.homeDirectory = "/home/nixos";
home.packages = [
pkgs.htop pkgs.ripgrep pkgs.gcc pkgs.fd pkgs.zk
];
home.stateVersion = "22.05";
nixpkgs.config.allowUnfree = true;
## Configs ##
xdg.configFile."nvim/init.lua".text = builtins.readFile ../neovim/init.lua;
xdg.configFile."starship.toml".text = builtins.readFile ../starship/starship.toml;
## Programs ##
programs.zoxide = {
enable = true;
enableZshIntegration = true;
};
programs.tmux = {
enable = true;
shell = "zsh";
extraConfig = builtins.readFile ../tmux/.tmux.conf;
};
programs.exa = {
enable = true;
enableAliases = true;
};
programs.starship = {
enable = true;
enableZshIntegration = true;
};
programs.home-manager.enable = true;
programs.fzf.enable = true;
programs.neovim = {
enable = true;
viAlias = true;
vimAlias = true;
# I use vim-plug, so I probably don't require packaging
# extraConfig actually writes to init-home-manager.vim (not lua)
# https://github.com/nix-community/home-manager/pull/3287
# extraConfig = builtins.readFile ../neovim/init.lua;
};
programs.zsh = {
enable = true;
enableCompletion = true;
enableAutosuggestions = true;
shellAliases = {
nix-rebuild = "sudo nixos-rebuild switch";
hm-switch = "home-manager switch --flake";
};
history = {
size = 10000;
path = "${config.xdg.dataHome}/zsh/history";
};
oh-my-zsh = {
enable = true;
plugins = [ "git" "sudo" "command-not-found" "gitignore" "ripgrep" "rust" ];
};
};
programs.git = {
enable = true;
lfs.enable = true;
aliases = {
a="add"; c="commit"; ca="commit --ammend"; cm="commit -m";
lol="log --graph --decorate --pretty=oneline --abbrev-commit";
lola="log --graph --decorate --pretty=oneline --abbrev-commit --all";
};
extraConfig = {
merge = {tool="vimdiff"; conflictstyle="diff3";};
};
# why is this no longer valid?
# pull = { rebase=true; };
};
}

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@ -281,7 +281,7 @@ require('nvim-treesitter.configs').setup {
ensure_installed = { ensure_installed = {
'tsx', 'toml', 'lua', 'typescript', 'rust', 'go', 'yaml', 'json', 'php', 'css', 'tsx', 'toml', 'lua', 'typescript', 'rust', 'go', 'yaml', 'json', 'php', 'css',
'python', 'prisma', 'html', "dockerfile", "c", "cpp", "hcl", "svelte", "astro", 'python', 'prisma', 'html', "dockerfile", "c", "cpp", "hcl", "svelte", "astro",
"clojure", "fennel", "bash" "clojure", "fennel", "bash", "nix"
}, },
sync_install = false, sync_install = false,
highlight = { enable = true }, highlight = { enable = true },

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scripts/apply-system.sh Executable file
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#!/usr/bin/env sh
set -xv
# Where is this script located
SCRIPT_DIR=$(realpath $(dirname $0))
echo "SCRIPT_DIR: ${SCRIPT_DIR}"
# Where should the symlink for this repo live in the system
CONFIG_DIR="~/.dotfiles"
# Create a symlink for this directory to ~/.dotfiles
# if it already exists, error out
if [ -L ${CONFIG_DIR} ] && [ $(readlink -f ${CONFIG_DIR}) != ${SCRIPT_DIR} ]; then
echo "ERR: ${SCRIPT_DIR}/apply-system.sh: ${CONFIG_DIR} exists and not symlink to ${SCRIPT_DIR}"
exit 1
fi
ln -s -T ${SCRIPT_DIR} ${CONFIG_DIR}
# $PWD to ~/.dotfiles
pushd ~/.dotfiles
sudo nixos-rebuild switch --flake .#nixos
popd

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starship/starship.toml Normal file
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# ~/.config/starship.toml
[aws]
symbol = " "
[conda]
symbol = " "
[dart]
symbol = " "
format = "via [$symbol]($style)"
[directory]
read_only = " "
truncation_length = 1
[docker_context]
symbol = " "
[elixir]
symbol = " "
format = 'via [$symbol]($style)'
[elm]
symbol = " "
[git_branch]
symbol = " "
[golang]
symbol = " "
format = 'via [$symbol]($style)'
[hg_branch]
symbol = " "
[java]
symbol = " "
format = 'via [$symbol]($style)'
[julia]
symbol = " "
[memory_usage]
symbol = " "
[nim]
symbol = " "
[nix_shell]
symbol = " "
[nodejs]
symbol = " "
format = 'via [$symbol]($style)'
[package]
symbol = " "
[perl]
symbol = " "
[php]
symbol = " "
[python]
symbol = " "
format = 'via [$symbol]($style)'
[ruby]
symbol = " "
[rust]
format = 'via [$symbol]($style)'
[scala]
symbol = " "
[shlvl]
symbol = " "
[swift]
symbol = "ﯣ "
format = 'via [$symbol]($style)'
[git_status]
disabled = true

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system-nix/configuration.nix Executable file
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{ lib, pkgs, config, modulesPath, ... }:
with lib;
let
nixos-wsl = import ./nixos-wsl;
in
{
imports = [
"${modulesPath}/profiles/minimal.nix"
./hardware-configuration.nix
nixos-wsl.nixosModules.wsl
];
system.stateVersion = "22.05";
wsl = {
enable = true;
automountPath = "/mnt";
defaultUser = "nixos"; # if change defaultUser, make sure uid to be 1000 (first user)
startMenuLaunchers = true;
# Enable native Docker support
# docker-native.enable = true;
# Enable integration with Docker Desktop (needs to be installed)
docker-desktop.enable = true;
};
# users.users.<defaultUser>.uid = 1000;
# networking.hostName = "nixos";
# Enable nix flakes
nix.package = pkgs.nixFlakes;
nix.extraOptions = ''
experimental-features = nix-command flakes
'';
# Some basic programs
programs.neovim = {
enable = true;
defaultEditor = true;
};
programs.git = {
enable = true;
# more information should be configured under user level
};
environment.systemPackages = [
pkgs.gnumake
];
}

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system-nix/flake.lock Normal file
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{
"nodes": {
"home-manager": {
"inputs": {
"nixpkgs": [
"nixpkgs"
],
"utils": "utils"
},
"locked": {
"lastModified": 1667708081,
"narHash": "sha256-FChEy05x4ed/pttjfTeKxjPCnHknMYrUtDyBiYbreT4=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "1ef0da321217c6c19b7a30509631c080a19321e5",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1661328374,
"narHash": "sha256-GGMupfk/lGzPBQ/dRrcQEhiFZ0F5KPg0j5Q4Fb5coxc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "f034b5693a26625f56068af983ed7727a60b5f8b",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-unstable",
"type": "indirect"
}
},
"root": {
"inputs": {
"home-manager": "home-manager",
"nixpkgs": "nixpkgs"
}
},
"utils": {
"locked": {
"lastModified": 1667395993,
"narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

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system-nix/flake.nix Normal file
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@ -0,0 +1,22 @@
{
inputs = {
nixpkgs.url = "nixpkgs/nixos-unstable";
home-manager.url = "github:nix-community/home-manager";
home-manager.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = { self, nixpkgs, ... }: {
nixosConfigurations.Felia = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./configuration.nix
];
};
nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./configuration.nix
];
};
};
}

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@ -0,0 +1,65 @@
# Do not modify this file! It was generated by nixos-generate-config
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports = [ ];
boot.initrd.availableKernelModules = [ ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/sdd";
fsType = "ext4";
};
fileSystems."/usr/lib/wsl/drivers" =
{ device = "drivers";
fsType = "9p";
};
fileSystems."/usr/lib/wsl/lib" =
{ device = "lib";
fsType = "9p";
};
fileSystems."/mnt/wsl" =
{ device = "tmpfs";
fsType = "tmpfs";
};
fileSystems."/mnt/c" =
{ device = "C:\134";
fsType = "9p";
};
fileSystems."/mnt/d" =
{ device = "D:\134";
fsType = "9p";
};
fileSystems."/mnt/f" =
{ device = "F:\134";
fsType = "9p";
};
swapDevices = [ ];
# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
# (the default) this is the recommended approach. When using systemd-networkd it's
# still possible to use this option, but it's recommended to use it in conjunction
# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
networking.useDHCP = lib.mkDefault true;
# networking.interfaces.bond0.useDHCP = lib.mkDefault true;
# networking.interfaces.bonding_masters.useDHCP = lib.mkDefault true;
# networking.interfaces.dummy0.useDHCP = lib.mkDefault true;
# networking.interfaces.eth0.useDHCP = lib.mkDefault true;
# networking.interfaces.sit0.useDHCP = lib.mkDefault true;
# networking.interfaces.tunl0.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
}

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use_flake() {
watch_file flake.nix
watch_file flake.lock
eval "$(nix print-dev-env)"
}
use flake

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@ -0,0 +1,26 @@
---
name: Bug report
about: Create a report to help us improve
title: ''
labels: bug
assignees: ''
---
<!-- Please only open an issue, if you are experiencing a problem with NixOS-WSL, that looks like it has to be fixed in the code. If you aren't sure how to use the project or want help with using it, consider opening a discussion in the "Q&A"-Category instead -->
## Bug description
<!-- A clear and concise description of what the bug is. -->
## To Reproduce
Steps to reproduce the behavior:
**Expected behavior**
<!-- A clear and concise description of what you expected to happen. -->
## Logs
```
Include relevant console logs
```
<!-- If your issue is related to the installation process, please include the SHA256 checksum of the tarball you used to install NixOS-WSL -->

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@ -0,0 +1,16 @@
---
name: Feature request
about: Suggest an idea for this project
title: ''
labels: enhancement
assignees: ''
---
<!-- Please only open an issue, if you want to suggest a concrete feature, including a way that it could be implemented. If you have more broad suggestions, consider opening a discussion in the "ideas" category instead. -->
## Problem
<!-- Describe the problem you are trying to solve -->
## Solution
<!-- Describe the solution you want to see integrated in the project -->

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@ -0,0 +1,17 @@
change-template: "* $TITLE (#$NUMBER) @$AUTHOR"
categories:
- title: '🚀 Features'
labels:
- enhancement
- title: "🪲 Bugfixes"
labels:
- bug
- title: "📖 Documentation"
labels:
- documentation
template: |
# Changelog
## 🛠️ General Changes
$CHANGES

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@ -0,0 +1,78 @@
name: 'Build NixOS WSL tarball'
on: [push, pull_request, release]
jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
with:
# Nix Flakes doesn't work on shallow clones
fetch-depth: 0
- name: Install nix
uses: cachix/install-nix-action@v12
with:
install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-2.4pre20201221_9fab14a/install
# Configure Nix to enable flakes
extra_nix_config: |
experimental-features = nix-command flakes
- name: Run checks
run: |
nix flake check
- name: Build tarball
run: |
nix build '.#nixosConfigurations.mysystem.config.system.build.tarball'
- name: Upload tarball
uses: actions/upload-artifact@v2
with:
name: rootfs
path: result/tarball/nixos-wsl-x86_64-linux.tar.gz
- name: Build installer
run: |
nix build '.#nixosConfigurations.mysystem.config.system.build.installer'
- name: Upload installer
uses: actions/upload-artifact@v2
with:
name: installer
path: result/tarball/nixos-wsl-installer.tar.gz
release:
if: startsWith(github.ref, 'refs/tags/')
needs: build
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
- uses: actions/download-artifact@v2
with:
name: rootfs
- uses: actions/download-artifact@v2
with:
name: installer
- name: Generate checksums
run: |
for x in *.tar.gz; do
sha256sum $x > ${x}.sha256
done
- name: Attach to release
uses: softprops/action-gh-release@v1
with:
files: |
nixos-wsl-x86_64-linux.tar.gz
nixos-wsl-x86_64-linux.tar.gz.sha256
nixos-wsl-installer.tar.gz
nixos-wsl-installer.tar.gz.sha256
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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@ -0,0 +1,19 @@
name: Release Drafter
on:
push:
branches:
- main
pull_request:
types:
- opened
- reopened
- synchronize
-
jobs:
update_release_draft:
runs-on: ubuntu-latest
steps:
- uses: release-drafter/release-drafter@v5
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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@ -0,0 +1,50 @@
name: 'Update flakes'
on:
workflow_dispatch:
schedule:
- cron: '0 2 * * 0'
jobs:
update-flakes:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
with:
# Nix Flakes doesn't work on shallow clones
fetch-depth: 0
- name: Install nix
uses: cachix/install-nix-action@v12
with:
install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-2.4pre20201221_9fab14a/install
# Configure Nix to enable flakes
extra_nix_config: |
experimental-features = nix-command flakes
- name: Update flakes
run: nix flake update --recreate-lock-file
- name: Create Pull Request
id: cpr
uses: peter-evans/create-pull-request@v3
with:
commit-message: Update flakes
committer: GitHub <noreply@github.com>
author: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>
signoff: false
branch: flake-updates
delete-branch: true
title: 'Update flakes'
body: |
Update report
- Updated with *today's* date
- Auto-generated by [create-pull-request][1]
[1]: https://github.com/peter-evans/create-pull-request
- name: Check outputs
run: |
echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"

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system-nix/nixos-wsl/.gitignore vendored Normal file
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result
result-*

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@ -0,0 +1,202 @@
Apache License
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http://www.apache.org/licenses/
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
limitations under the License.

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@ -0,0 +1,112 @@
<h1 align=center>
NixOS on WSL<br />
<a href="https://matrix.to/#/#wsl:nixos.org"><img src="https://img.shields.io/matrix/wsl:nixos.org?server_fqdn=nixos.ems.host&logo=matrix" alt="Matrix Chat" /></a>
<a href="https://github.com/NixOS/nixpkgs/tree/nixos-22.05"><img src="https://img.shields.io/badge/nixpkgs-22.05-brightgreen" alt="nixpkgs 22.05" /></a>
<a href="https://github.com/nix-community/NixOS-WSL/releases"><img alt="Downloads" src="https://img.shields.io/github/downloads/nix-community/NixOS-WSL/total"></a>
</h1>
A minimal root filesystem for running NixOS on WSL. It can be used with
[DistroLauncher](https://github.com/microsoft/WSL-DistroLauncher) as
`install.tar.gz` or as input to `wsl --import --version 2`.
## Quick start
First, [download the latest release\'s installer](https://github.com/nix-community/NixOS-WSL/releases/latest).
Then open up a Terminal, PowerShell or Command Prompt and run:
```sh
wsl --import NixOS .\NixOS\ nixos-wsl-installer.tar.gz --version 2
```
This sets up a new WSL distribution `NixOS` that is installed under
`.\NixOS`. `nixos-wsl-installer.tar.gz` is the path to the file you
downloaded earlier. You might need to change this path or change to the download directory first.
You can now run NixOS:
```sh
wsl -d NixOS
```
The installer will unpack the file system and subsequently start NixOS.
A few warnings about file systems and locales will pop up. You can
safely ignore them. After systemd has started, you should be greeted
with a bash prompt inside your fresh NixOS installation.
If you want to make NixOS your default distribution, you can do so with
```sh
wsl -s NixOS
```
## Building your own system tarball
This requires access to a system that already has Nix installed. Please refer to the [Nix installation guide](https://nixos.org/guides/install-nix.html) if that\'s not the case.
If you have a flakes-enabled Nix, you can use the following command to
build your own tarball instead of relying on a prebuilt one:
```cmd
nix build github:nix-community/NixOS-WSL#nixosConfigurations.mysystem.config.system.build.installer
```
Or, if you want to build with local changes, run inside your checkout:
```cmd
nix build .#nixosConfigurations.mysystem.config.system.build.installer
```
Without a flakes-enabled Nix, you can build a tarball using:
```cmd
nix-build -A nixosConfigurations.mysystem.config.system.build.installer
```
The resulting installer tarball can then be found under
`./result/tarball/nixos-wsl-installer.tar.gz`.
You can also build a rootfs tarball without wrapping it in the installer
by replacing `installer` with `tarball` in the above commands. The
rootfs tarball can then be found under
`./result/tarball/nixos-wsl-x86_64-linux.tar.gz`.
## Design
Getting NixOS to run under WSL requires some workarounds:
### systemd support
WSL comes with its own (non-substitutable) init system while NixOS uses
systemd. Simply starting systemd later on does not work out of the box,
because systemd as system instance refuses to start if it is not PID 1.
This unfortunate combination is resolved in two ways:
- the user\'s default shell is replaced by a wrapper script that acts
is init system and then drops to the actual shell
- systemd is started in its own PID namespace; therefore, it is PID 1.
The shell wrapper (see above) enters the systemd namespace before
dropping to the shell.
### Installer
Usually WSL distributions ship as a tarball of their root file system.
These tarballs however, can not contain any hard-links due to the way
they are unpacked by WSL, resulting in an \"Unspecified Error\". By
default some Nix-derivations will contain hard-links when they are
built. This results in system tarballs that can not be imported into
WSL. To circumvent this problem, the rootfs tarball is wrapped in that
of a minimal distribution (the installer), that is packaged without any
hard-links. When the installer system is started for the first time, it
overwrites itself with the contents of the rootfs tarball.
## License
Apache License, Version 2.0. See `LICENSE` or <http://www.apache.org/licenses/LICENSE-2.0.html> for details.
## Further links
- [DistroLauncher](https://github.com/microsoft/WSL-DistroLauncher)
- [A quick way into a systemd \"bottle\" for WSL](https://github.com/arkane-systems/genie)
- [NixOS in Windows Store for Windows Subsystem for Linux](https://github.com/NixOS/nixpkgs/issues/30391)
- [wsl2-hacks](https://github.com/shayne/wsl2-hacks)

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@ -0,0 +1,13 @@
(import
(
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
in
fetchTarball {
url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
sha256 = lock.nodes.flake-compat.locked.narHash;
}
)
{
src = ./.;
}).defaultNix

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@ -0,0 +1,59 @@
{
"nodes": {
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1650374568,
"narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "b4a34015c698c7793d592d66adbab377907a2be8",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"locked": {
"lastModified": 1659877975,
"narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1660318005,
"narHash": "sha256-g9WCa9lVUmOV6dYRbEPjv/TLOR5hamjeCcKExVGS3OQ=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "5c211b47aeadcc178c5320afd4e74c7eed5c389f",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-22.05",
"type": "indirect"
}
},
"root": {
"inputs": {
"flake-compat": "flake-compat",
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

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@ -0,0 +1,56 @@
{
description = "NixOS WSL";
inputs = {
nixpkgs.url = "nixpkgs/nixos-22.05";
flake-utils.url = "github:numtide/flake-utils";
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
};
outputs = { self, nixpkgs, flake-utils, ... }:
{
nixosModules.wsl = {
imports = [
./modules/build-tarball.nix
./modules/docker-desktop.nix
./modules/docker-native.nix
./modules/installer.nix
./modules/interop.nix
./modules/wsl-distro.nix
];
};
nixosConfigurations.mysystem = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./configuration.nix
];
};
} //
flake-utils.lib.eachSystem
(with flake-utils.lib.system; [ "x86_64-linux" "aarch64-linux" ])
(system:
let
pkgs = import nixpkgs { inherit system; };
in
{
checks.check-format = pkgs.runCommand "check-format"
{
buildInputs = with pkgs; [ nixpkgs-fmt ];
} ''
nixpkgs-fmt --check ${./.}
mkdir $out # success
'';
devShell = pkgs.mkShell {
nativeBuildInputs = with pkgs; [ nixpkgs-fmt ];
};
}
);
}

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@ -0,0 +1,97 @@
{ config, pkgs, lib, ... }:
with builtins; with lib;
let
pkgs2storeContents = l: map (x: { object = x; symlink = "none"; }) l;
nixpkgs = lib.cleanSource pkgs.path;
channelSources = pkgs.runCommand "nixos-${config.system.nixos.version}"
{ preferLocalBuild = true; }
''
mkdir -p $out
cp -prd ${nixpkgs.outPath} $out/nixos
chmod -R u+w $out/nixos
if [ ! -e $out/nixos/nixpkgs ]; then
ln -s . $out/nixos/nixpkgs
fi
echo -n ${toString config.system.nixos.revision} > $out/nixos/.git-revision
echo -n ${toString config.system.nixos.versionSuffix} > $out/nixos/.version-suffix
echo ${toString config.system.nixos.versionSuffix} | sed -e s/pre// > $out/nixos/svn-revision
'';
preparer = pkgs.writeShellScriptBin "wsl-prepare" ''
set -e
mkdir -m 0755 ./bin ./etc
mkdir -m 1777 ./tmp
# WSL requires a /bin/sh - only temporary, NixOS's activate will overwrite
ln -s ${config.users.users.root.shell} ./bin/sh
# WSL also requires a /bin/mount, otherwise the host fs isn't accessible
ln -s /nix/var/nix/profiles/system/sw/bin/mount ./bin/mount
# Set system profile
system=${config.system.build.toplevel}
./$system/sw/bin/nix-store --store `pwd` --load-db < ./nix-path-registration
rm ./nix-path-registration
./$system/sw/bin/nix-env --store `pwd` -p ./nix/var/nix/profiles/system --set $system
# Set channel
mkdir -p ./nix/var/nix/profiles/per-user/root
./$system/sw/bin/nix-env --store `pwd` -p ./nix/var/nix/profiles/per-user/root/channels --set ${channelSources}
mkdir -m 0700 -p ./root/.nix-defexpr
ln -s /nix/var/nix/profiles/per-user/root/channels ./root/.nix-defexpr/channels
# It's now a NixOS!
touch ./etc/NIXOS
# Write wsl.conf so that it is present when NixOS is started for the first time
cp ${config.environment.etc."wsl.conf".source} ./etc/wsl.conf
${lib.optionalString config.wsl.tarball.includeConfig ''
# Copy the system configuration
mkdir -p ./etc/nixos/nixos-wsl
cp -R ${lib.cleanSource ../.}/. ./etc/nixos/nixos-wsl
mv ./etc/nixos/nixos-wsl/configuration.nix ./etc/nixos/configuration.nix
# Patch the import path to avoid having a flake.nix in /etc/nixos
sed -i 's|import \./default\.nix|import \./nixos-wsl|' ./etc/nixos/configuration.nix
''}
'';
in
{
options.wsl.tarball = {
includeConfig = mkOption {
type = types.bool;
default = true;
description = "Whether or not to copy the system configuration into the tarball";
};
};
config = mkIf config.wsl.enable {
# These options make no sense without the wsl-distro module anyway
system.build.tarball = pkgs.callPackage "${nixpkgs}/nixos/lib/make-system-tarball.nix" {
# No contents, structure will be added by prepare script
contents = [ ];
fileName = "nixos-wsl-${pkgs.hostPlatform.system}";
storeContents = pkgs2storeContents [
config.system.build.toplevel
channelSources
preparer
];
extraCommands = "${preparer}/bin/wsl-prepare";
# Use gzip
compressCommand = "gzip";
compressionExtension = ".gz";
};
};
}

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@ -0,0 +1,41 @@
{ config, lib, pkgs, ... }:
with builtins; with lib; {
imports = [
(mkRenamedOptionModule [ "wsl" "docker" ] [ "wsl" "docker-desktop" ])
];
options.wsl.docker-desktop = with types; {
enable = mkEnableOption "Docker Desktop integration";
};
config =
let
cfg = config.wsl.docker-desktop;
in
mkIf (config.wsl.enable && cfg.enable) {
environment.systemPackages = with pkgs; [
docker
docker-compose
];
systemd.services.docker-desktop-proxy = {
description = "Docker Desktop proxy";
script = ''
${config.wsl.automountPath}/wsl/docker-desktop/docker-desktop-user-distro proxy --docker-desktop-root ${config.wsl.automountPath}/wsl/docker-desktop
'';
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Restart = "on-failure";
RestartSec = "30s";
};
};
users.groups.docker.members = [
config.wsl.defaultUser
];
};
}

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@ -0,0 +1,40 @@
{ config, lib, pkgs, ... }:
with builtins; with lib; {
options.wsl.docker-native = with types; {
enable = mkEnableOption "Native Docker integration in NixOS.";
addToDockerGroup = mkOption {
type = bool;
default = config.security.sudo.wheelNeedsPassword;
description = ''
Wether to add the default user to the docker group.
This is not recommended, if you have a password, because it essentially permits unauthenticated root access.
'';
};
};
config =
let
cfg = config.wsl.docker-native;
in
mkIf (config.wsl.enable && cfg.enable) {
nixpkgs.overlays = [
(self: super: {
docker = super.docker.override { iptables = pkgs.iptables-legacy; };
})
];
environment.systemPackages = with pkgs; [
docker
docker-compose
];
virtualisation.docker.enable = true;
users.groups.docker.members = lib.mkIf cfg.addToDockerGroup [
config.wsl.defaultUser
];
};
}

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@ -0,0 +1,73 @@
{ config, lib, pkgs, ... }:
with builtins; with lib; {
config = mkIf config.wsl.enable (
let
mkTarball = pkgs.callPackage "${lib.cleanSource pkgs.path}/nixos/lib/make-system-tarball.nix";
pkgs2storeContents = map (x: { object = x; symlink = "none"; });
rootfs = let tarball = config.system.build.tarball; in "${tarball}/tarball/${tarball.fileName}.tar${tarball.extension}";
installer = pkgs.writeScript "installer.sh" ''
#!${pkgs.busybox}/bin/sh
BASEPATH=$PATH
export PATH=$BASEPATH:${pkgs.busybox}/bin # Add busybox to path
set -e
cd /
echo "Unpacking root file system..."
${pkgs.pv}/bin/pv ${rootfs} | tar xz
echo "Activating nix configuration..."
/nix/var/nix/profiles/system/activate
PATH=$BASEPATH:/run/current-system/sw/bin # Use packages from target system
echo "Cleaning up installer files..."
nix-collect-garbage
rm /nix-path-registration
echo "Optimizing store..."
nix-store --optimize
# Don't package the shell here, it's contained in the rootfs
exec ${builtins.unsafeDiscardStringContext config.users.users.root.shell} "$@"
'';
# Set installer.sh as the root shell
passwd = pkgs.writeText "passwd" ''
root:x:0:0:System administrator:/root:${installer}
'';
in
{
system.build.installer = mkTarball {
fileName = "nixos-wsl-installer";
compressCommand = "gzip";
compressionExtension = ".gz";
extraArgs = "--hard-dereference";
storeContents = with pkgs; pkgs2storeContents [
installer
];
contents = [
{ source = config.environment.etc."wsl.conf".source; target = "/etc/wsl.conf"; }
{ source = config.environment.etc."fstab".source; target = "/etc/fstab"; }
{ source = passwd; target = "/etc/passwd"; }
{ source = "${pkgs.busybox}/bin/busybox"; target = "/bin/sh"; }
{ source = "${pkgs.busybox}/bin/busybox"; target = "/bin/mount"; }
];
extraCommands = pkgs.writeShellScript "prepare" ''
export PATH=$PATH:${pkgs.coreutils}/bin
mkdir -p bin
ln -s /init bin/wslpath
'';
};
}
);
}

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@ -0,0 +1,88 @@
{ lib, pkgs, config, ... }:
with builtins; with lib;
{
imports = [
(mkRenamedOptionModule [ "wsl" "compatibility" "interopPreserveArgvZero" ] [ "wsl" "interop" "preserveArgvZero" ])
];
options.wsl.interop = with types; {
register = mkOption {
type = bool;
default = false; # Use the existing registration by default
description = "Explicitly register the binfmt_misc handler for Windows executables";
};
includePath = mkOption {
type = bool;
default = true;
description = "Include Windows PATH in WSL PATH";
};
preserveArgvZero = mkOption {
type = nullOr bool;
default = null;
description = ''
Register binfmt interpreter for Windows executables with 'preserves argv[0]' flag.
Default (null): autodetect, at some performance cost.
To avoid the performance cost, set this to true for WSL Preview 0.58 and up,
or to false for any older versions, including pre-Microsoft Store and Windows 10.
'';
};
};
config =
let
cfg = config.wsl.interop;
in
mkIf config.wsl.enable {
boot.binfmt.registrations = mkIf cfg.register {
WSLInterop =
let
compat = cfg.preserveArgvZero;
# WSL Preview 0.58 and up registers the /init binfmt interp for Windows executable
# with the "preserve argv[0]" flag, so if you run `./foo.exe`, the interp gets invoked
# as `/init foo.exe ./foo.exe`.
# argv[0] --^ ^-- actual path
#
# Older versions expect to be called without the argv[0] bit, simply as `/init ./foo.exe`.
#
# We detect that by running `/init /known-not-existing-path.exe` and checking the exit code:
# the new style interp expects at least two arguments, so exits with exit code 1,
# presumably meaning "parsing error"; the old style interp attempts to actually run
# the executable, fails to find it, and exits with 255.
compatWrapper = pkgs.writeShellScript "nixos-wsl-binfmt-hack" ''
/init /nixos-wsl-does-not-exist.exe
[ $? -eq 255 ] && shift
exec /init "$@"
'';
# use the autodetect hack if unset, otherwise call /init directly
interpreter = if compat == null then compatWrapper else "/init";
# enable for the wrapper and autodetect hack
preserveArgvZero = if compat == false then false else true;
in
{
magicOrExtension = "MZ";
fixBinary = true;
wrapInterpreterInShell = false;
inherit interpreter preserveArgvZero;
};
};
# Include Windows %PATH% in Linux $PATH.
environment.extraInit = mkIf cfg.includePath ''PATH="$PATH:$WSLPATH"'';
warnings =
let
registrations = config.boot.binfmt.registrations;
in
optional (!(registrations ? WSLInterop) && (length (attrNames config.boot.binfmt.registrations)) != 0) "Having any binfmt registrations without re-registering WSLInterop (wsl.interop.register) will break running .exe files from WSL2";
};
}

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@ -0,0 +1,139 @@
{ lib, pkgs, config, ... }:
with builtins; with lib;
{
options.wsl = with types;
let
coercedToStr = coercedTo (oneOf [ bool path int ]) (toString) str;
in
{
enable = mkEnableOption "support for running NixOS as a WSL distribution";
automountPath = mkOption {
type = str;
default = "/mnt";
description = "The path where windows drives are mounted (e.g. /mnt/c)";
};
automountOptions = mkOption {
type = str;
default = "metadata,uid=1000,gid=100";
description = "Options to use when mounting windows drives";
};
defaultUser = mkOption {
type = str;
default = "nixos";
description = "The name of the default user";
};
startMenuLaunchers = mkEnableOption "shortcuts for GUI applications in the windows start menu";
wslConf = mkOption {
type = attrsOf (attrsOf (oneOf [ string int bool ]));
description = "Entries that are added to /etc/wsl.conf";
};
};
config =
let
cfg = config.wsl;
syschdemd = import ../syschdemd.nix { inherit lib pkgs config; inherit (cfg) automountPath defaultUser; defaultUserHome = config.users.users.${cfg.defaultUser}.home; };
in
mkIf cfg.enable {
wsl.wslConf = {
automount = {
enabled = true;
mountFsTab = true;
root = "${cfg.automountPath}/";
options = cfg.automountOptions;
};
network = {
generateResolvConf = mkDefault true;
generateHosts = mkDefault true;
};
};
# WSL is closer to a container than anything else
boot.isContainer = true;
environment.noXlibs = lib.mkForce false; # override xlibs not being installed (due to isContainer) to enable the use of GUI apps
hardware.opengl.enable = true; # Enable GPU acceleration
environment = {
etc = {
"wsl.conf".text = generators.toINI { } cfg.wslConf;
# DNS settings are managed by WSL
hosts.enable = !config.wsl.wslConf.network.generateHosts;
"resolv.conf".enable = !config.wsl.wslConf.network.generateResolvConf;
};
systemPackages = [
(pkgs.runCommand "wslpath" { } ''
mkdir -p $out/bin
ln -s /init $out/bin/wslpath
'')
];
};
networking.dhcpcd.enable = false;
users.users.${cfg.defaultUser} = {
isNormalUser = true;
uid = 1000;
extraGroups = [ "wheel" ]; # Allow the default user to use sudo
};
users.users.root = {
shell = "${syschdemd}/bin/syschdemd";
# Otherwise WSL fails to login as root with "initgroups failed 5"
extraGroups = [ "root" ];
};
security.sudo = {
extraConfig = ''
Defaults env_keep+=INSIDE_NAMESPACE
'';
wheelNeedsPassword = mkDefault false; # The default user will not have a password by default
};
system.activationScripts = {
copy-launchers = mkIf cfg.startMenuLaunchers (
stringAfter [ ] ''
for x in applications icons; do
echo "Copying /usr/share/$x"
mkdir -p /usr/share/$x
${pkgs.rsync}/bin/rsync -ar --delete $systemConfig/sw/share/$x/. /usr/share/$x
done
''
);
populateBin = stringAfter [ ] ''
echo "setting up /bin..."
ln -sf /init /bin/wslpath
ln -sf ${pkgs.bashInteractive}/bin/bash /bin/sh
ln -sf ${pkgs.util-linux}/bin/mount /bin/mount
'';
};
systemd = {
# Disable systemd units that don't make sense on WSL
services = {
"serial-getty@ttyS0".enable = false;
"serial-getty@hvc0".enable = false;
"getty@tty1".enable = false;
"autovt@".enable = false;
firewall.enable = false;
systemd-resolved.enable = false;
systemd-udevd.enable = false;
};
tmpfiles.rules = [
# Don't remove the X11 socket
"d /tmp/.X11-unix 1777 root root"
];
# Don't allow emergency mode, because we don't have a console.
enableEmergencyMode = false;
};
warnings = (optional (config.systemd.services.systemd-resolved.enable && config.wsl.wslConf.network.generateResolvConf) "systemd-resolved is enabled, but resolv.conf is managed by WSL");
};
}

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@ -0,0 +1,28 @@
{ lib
, pkgs
, config
, automountPath
, defaultUser
, defaultUserHome ? "/home/${defaultUser}"
, ...
}:
pkgs.substituteAll {
name = "syschdemd";
src = ./syschdemd.sh;
dir = "bin";
isExecutable = true;
buildInputs = with pkgs; [ daemonize ];
inherit defaultUser defaultUserHome;
inherit (pkgs) daemonize;
inherit (config.security) wrapperDir;
fsPackagesPath = lib.makeBinPath config.system.fsPackages;
systemdWrapper = pkgs.writeShellScript "systemd-wrapper.sh" ''
mount -t binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc || true
mount --make-rshared ${automountPath}
exec systemd
'';
}

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@ -0,0 +1,78 @@
#! @shell@
set -e
sw="/nix/var/nix/profiles/system/sw/bin"
systemPath=$(${sw}/readlink -f /nix/var/nix/profiles/system)
function start_systemd {
echo "Starting systemd..." >&2
PATH=/run/current-system/systemd/lib/systemd:@fsPackagesPath@ \
LOCALE_ARCHIVE=/run/current-system/sw/lib/locale/locale-archive \
@daemonize@/bin/daemonize /run/current-system/sw/bin/unshare -fp --mount-proc @systemdWrapper@
# Wait until systemd has been started to prevent a race condition from occuring
while ! $sw/pgrep -xf systemd | $sw/tail -n1 >/run/systemd.pid; do
$sw/sleep 1s
done
# Wait for systemd to start services
status=1
while [[ $status -gt 0 ]]; do
$sw/sleep 1
status=0
$sw/nsenter -t $(</run/systemd.pid) -p -m -- \
$sw/systemctl is-system-running -q --wait 2>/dev/null ||
status=$?
done
}
# Needs root to work
if [[ $EUID -ne 0 ]]; then
echo "[ERROR] Requires root! :( Make sure the WSL default user is set to root" >&2
exit 1
fi
if [ ! -e "/run/current-system" ]; then
LANG="C.UTF-8" /nix/var/nix/profiles/system/activate
fi
if [ ! -e "/run/systemd.pid" ]; then
start_systemd
fi
userShell=$($sw/getent passwd @defaultUser@ | $sw/cut -d: -f7)
if [[ $# -gt 0 ]]; then
# wsl seems to prefix with "-c"
shift
cmd="$@"
else
cmd="$userShell"
fi
# Pass external environment but filter variables specific to root user.
exportCmd="$(export -p | $sw/grep -vE ' (HOME|LOGNAME|SHELL|USER)='); export WSLPATH=\"$PATH\"; export INSIDE_NAMESPACE=true"
if [[ -z "${INSIDE_NAMESPACE:-}" ]]; then
# Test whether systemd is still alive if it was started previously
if ! [ -d "/proc/$(</run/systemd.pid)" ]; then
# Clear systemd pid if the process is not alive anymore
$sw/rm /run/systemd.pid
start_systemd
fi
# If we are currently in /root, this is probably because the directory that WSL was started is inaccessible
# cd to the user's home to prevent a warning about permission being denied on /root
if [[ $PWD == "/root" ]]; then
cd @defaultUserHome@
fi
exec $sw/nsenter -t $(</run/systemd.pid) -p -m -- $sw/machinectl -q \
--uid=@defaultUser@ shell .host /bin/sh -c \
"cd \"$PWD\"; $exportCmd; source /etc/set-environment; exec $cmd"
else
exec $cmd
fi