GNU bug report logs - #60756
[PATCH 0/2] Add x11-socket-directory-service-type.

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Message #23 received at 60756 <at> debbugs.gnu.org (full text, mbox):

From: Bruno Victal <mirai <at> makinata.eu>
To: 60756 <at> debbugs.gnu.org
Cc: dev <at> jpoiret.xyz, Bruno Victal <mirai <at> makinata.eu>
Subject: [PATCH v3 1/2] services: Add x11-socket-directory-service-type.
Date: Mon,  6 Mar 2023 12:35:01 +0000

The x11-socket-directory-service misuses activation-service-type
to create directories. This kind of usage is incorrect since
activation-service-type does not depend on file-systems, hence incompatible
with user defined /tmp mount.

This commit turns x11-socket-directory-service into a shepherd one-shot
service by defining a new x11-socket-directory-service-type.

* gnu/services/desktop.scm (x11-socket-directory-service-type): New variable.
(x11-socket-directory-service): Deprecate procedure.
(desktop-services-for-system): Use new service-type.
* gnu/tests/lightdm.scm: Ditto.
---

Changes since v2:
* Tweaked commit message.
* Resolved merge conflict.

 gnu/services/desktop.scm | 44 ++++++++++++++++++++++++++++++----------
 gnu/tests/lightdm.scm    |  2 +-
 2 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index aa9f93997d..59f325b24b 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -14,6 +14,7 @@
 ;;; Copyright © 2020 Reza Alizadeh Majd <r.majd <at> pantherx.org>
 ;;; Copyright © 2021 Brice Waegeneire <brice <at> waegenei.re>
 ;;; Copyright © 2021, 2022 muradm <mail <at> muradm.net>
+;;; Copyright © 2023 Bruno Victal <mirai <at> makinata.eu>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -154,7 +155,8 @@ (define-module (gnu services desktop)
             xfce-desktop-service
             xfce-desktop-service-type
 
-            x11-socket-directory-service
+            x11-socket-directory-service ;deprecated
+            x11-socket-directory-service-type
 
             enlightenment-desktop-configuration
             enlightenment-desktop-configuration?
@@ -1573,18 +1575,38 @@ (define sugar-desktop-service-type
 ;;; X11 socket directory service
 ;;;
 
-(define x11-socket-directory-service
+(define x11-socket-directory-service-type
+  (let ((x11-socket-directory-shepherd-service
+         (shepherd-service
+          (documentation "Create /tmp/.X11-unix for XWayland.")
+          (requirement '(file-systems))
+          (provision '(x11-socket-directory))
+          (one-shot? #t)
+          (start #~(lambda _
+                     (let ((directory "/tmp/.X11-unix"))
+                       (mkdir-p directory)
+                       (chmod directory #o1777)))))))
+    (service-type
+     (name 'x11-socket-directory-service)
+     (extensions
+      (list
+       (service-extension shepherd-root-service-type
+                          (compose
+                           list
+                           (const x11-socket-directory-shepherd-service)))))
+     (default-value #f) ; no default value required
+     (description
+      "Create @file{/tmp/.X11-unix} for XWayland.  When using X11, libxcb
+takes care of creating that directory however, when using XWayland, we
+need to create it beforehand."))))
+
+(define-deprecated x11-socket-directory-service
+  x11-socket-directory-service-type
   ;; Return a service that creates /tmp/.X11-unix.  When using X11, libxcb
   ;; takes care of creating that directory.  However, when using XWayland, we
   ;; need to create beforehand.  Thus, create it unconditionally here.
-  (simple-service 'x11-socket-directory
-                  activation-service-type
-                  (with-imported-modules '((guix build utils))
-                    #~(begin
-                        (use-modules (guix build utils))
-                        (let ((directory "/tmp/.X11-unix"))
-                          (mkdir-p directory)
-                          (chmod directory #o1777))))))
+  (service x11-socket-directory-service-type))
+
 
 ;;;
 ;;; Enlightenment desktop service.
@@ -1885,7 +1907,7 @@ (define* (desktop-services-for-system #:optional
 
          (service ntp-service-type)
 
-         x11-socket-directory-service
+         (service x11-socket-directory-service-type)
 
          (service pulseaudio-service-type)
          (service alsa-service-type)
diff --git a/gnu/tests/lightdm.scm b/gnu/tests/lightdm.scm
index dda472bd74..6011d2c515 100644
--- a/gnu/tests/lightdm.scm
+++ b/gnu/tests/lightdm.scm
@@ -50,7 +50,7 @@ (define minimal-desktop-services
         (service polkit-service-type)
         (service elogind-service-type)
         (service dbus-root-service-type)
-        x11-socket-directory-service))
+        (service x11-socket-directory-service-type)))
 
 (define %lightdm-os
   (operating-system
-- 
2.39.1

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