From 55cbd67645fced42905b3bcff345116de7365049 Mon Sep 17 00:00:00 2001
* gnu/system/wsl.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
gnu/system/wsl.scm | 148 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 150 insertions(+)
create mode 100644 gnu/system/wsl.scm
Toggle diff (176 lines)
diff --git a/gnu/local.mk b/gnu/local.mk
index 198c8f64a6..fecde5b4dd 100644
# Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
# Copyright © 2022 Daniel Meißner <daniel.meissner-i4k@ruhr-uni-bochum.de>
# Copyright © 2022 Remco van 't Veer <remco@remworks.net>
+# Copyright © 2022 Alex Griffin <a@ajgrf.com>
# This file is part of GNU Guix.
@@ -700,6 +701,7 @@ GNU_SYSTEM_MODULES = \
%D%/system/images/hurd.scm \
%D%/system/images/novena.scm \
diff --git a/gnu/system/wsl.scm b/gnu/system/wsl.scm
index 0000000000..63c71926a7
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Alex Griffin <a@ajgrf.com>
+;;; This file is part of GNU Guix.
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+(define-module (gnu system wsl)
+ #:use-module (gnu bootloader)
+ #:use-module (gnu packages admin)
+ #:use-module (gnu packages base)
+ #:use-module (gnu packages bash)
+ #:use-module (gnu packages guile)
+ #:use-module (gnu packages linux)
+ #:use-module (gnu services)
+ #:use-module (gnu services base)
+ #:use-module (gnu system)
+ #:use-module (gnu system shadow)
+ #:use-module (guix build-system trivial)
+ #:use-module (guix gexp)
+ #:use-module (guix packages)
+ #:export (wsl-boot-program
+(define (wsl-boot-program user)
+ "Program that runs the system boot script, then starts a login shell as USER."
+ (unless (file-exists? "/run/current-system")
+ (let ((shepherd-socket "/var/run/shepherd/socket"))
+ ;; Clean up this file so we can wait for it later.
+ (when (file-exists? shepherd-socket)
+ (delete-file shepherd-socket))
+ ;; Child process boots the system and is replaced by shepherd.
+ (when (zero? (primitive-fork))
+ (let* ((system-generation (readlink "/var/guix/profiles/system"))
+ (string-append (if (absolute-file-name? system-generation)
+ (setenv "GUIX_NEW_SYSTEM" system)
+ (execl #$(file-append guile-3.0 "/bin/guile")
+ (string-append system "/boot"))))
+ ;; Parent process waits for shepherd before continuing.
+ (while (not (file-exists? shepherd-socket))
+ (let* ((pw (getpw #$user))
+ (shell (passwd:shell pw))
+ (sudo #+(file-append sudo "/bin/sudo"))
+ (args (cdr (command-line))))
+ ;; Save the value of $PATH set by WSL. Useful for finding
+ ;; Windows binaries to run with WSL's binfmt interop.
+ (setenv "WSLPATH" (getenv "PATH"))
+ ;; Start login shell as user.
+ (apply execl sudo "sudo"
+ "--preserve-env=WSLPATH"
+ (build-system trivial-build-system)
+ `(#:modules ((guix build utils))
+ (use-modules (guix build utils))
+ (let* ((out (assoc-ref %outputs "out"))
+ (dummy (string-append out "/dummy")))
+ (call-with-output-file dummy
+(define dummy-bootloader
+ (name 'dummy-bootloader)
+ (package dummy-package)
+ (configuration-file "/dev/null")
+ (configuration-file-generator
+ (plain-file "dummy-bootloader" "")))
+ (installer #~(const #t))))
+(define dummy-kernel dummy-package)
+(define (dummy-initrd . _rest)
+ (plain-file "dummy-initrd" ""))
+ (bootloader-configuration
+ (bootloader dummy-bootloader)))
+ (users (cons* (user-account
+ (supplementary-groups '("wheel")) ; allow use of sudo
+ (comment "Guest of GNU"))
+ (inherit %root-account)
+ (shell (wsl-boot-program "guest")))
+ (services (list (service guix-service-type)
+ (service special-files-service-type
+ `(("/bin/sh" ,(file-append bash "/bin/bash"))
+ ("/bin/mount" ,(file-append util-linux "/bin/mount"))
+ ("/usr/bin/env" ,(file-append coreutils "/bin/env"))))))))