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-rw-r--r--gnu/services/authentication.scm22
-rw-r--r--gnu/services/cups.scm12
-rw-r--r--gnu/services/dbus.scm37
-rw-r--r--gnu/services/dns.scm21
4 files changed, 48 insertions, 44 deletions
diff --git a/gnu/services/authentication.scm b/gnu/services/authentication.scm
index 73969a5a6d..d7efc48cd0 100644
--- a/gnu/services/authentication.scm
+++ b/gnu/services/authentication.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2018 Danny Milosavljevic <dannym@scratchpost.org>
 ;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -31,6 +32,7 @@
   #:use-module (guix gexp)
   #:use-module (guix records)
   #:use-module (guix packages)
+  #:use-module (guix modules)
   #:use-module (ice-9 match)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-26)
@@ -521,6 +523,16 @@ password.")
 (define (pam-ldap-pam-services config)
   (list (pam-ldap-pam-service config)))
 
+(define %nslcd-activation
+  (with-imported-modules (source-module-closure '((gnu build activation)))
+    #~(begin
+        (use-modules (gnu build activation))
+        (let ((rundir "/var/run/nslcd")
+              (user (getpwnam "nslcd")))
+          (mkdir-p/perms rundir user #o755)
+          (when (file-exists? "/etc/nslcd.conf")
+            (chmod "/etc/nslcd.conf" #o400))))))
+
 (define nslcd-service-type
   (service-type
    (name 'nslcd)
@@ -531,15 +543,7 @@ password.")
           (service-extension etc-service-type
                              nslcd-etc-service)
           (service-extension activation-service-type
-                             (const #~(begin
-                                        (use-modules (guix build utils))
-                                        (let ((rundir "/var/run/nslcd")
-                                              (user (getpwnam "nslcd")))
-                                          (mkdir-p rundir)
-                                          (chown rundir (passwd:uid user) (passwd:gid user))
-                                          (chmod rundir #o755)
-                                          (when (file-exists? "/etc/nslcd.conf")
-                                            (chmod "/etc/nslcd.conf" #o400))))))
+                             (const %nslcd-activation))
           (service-extension pam-root-service-type
                              pam-ldap-pam-services)
           (service-extension nscd-service-type
diff --git a/gnu/services/cups.scm b/gnu/services/cups.scm
index 17ed04e58b..20e3917b93 100644
--- a/gnu/services/cups.scm
+++ b/gnu/services/cups.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2019 Alex Griffin <a@ajgrf.com>
 ;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -31,6 +32,7 @@
   #:use-module (guix packages)
   #:use-module (guix records)
   #:use-module (guix gexp)
+  #:use-module (guix modules)
   #:use-module (ice-9 match)
   #:use-module ((srfi srfi-1) #:select (append-map find))
   #:export (cups-service-type
@@ -871,13 +873,11 @@ IPP specifications.")
 
 (define %cups-activation
   ;; Activation gexp.
-  (with-imported-modules '((guix build utils))
+  (with-imported-modules (source-module-closure '((gnu build activation)
+                                                  (guix build utils)))
     #~(begin
-        (use-modules (guix build utils))
-        (define (mkdir-p/perms directory owner perms)
-          (mkdir-p directory)
-          (chown directory (passwd:uid owner) (passwd:gid owner))
-          (chmod directory perms))
+        (use-modules (gnu build activation)
+                     (guix build utils))
         (define (build-subject parameters)
           (string-concatenate
            (map (lambda (pair)
diff --git a/gnu/services/dbus.scm b/gnu/services/dbus.scm
index e015d3f68d..af1a1e4c3a 100644
--- a/gnu/services/dbus.scm
+++ b/gnu/services/dbus.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -28,6 +29,7 @@
   #:use-module (guix gexp)
   #:use-module ((guix packages) #:select (package-name))
   #:use-module (guix records)
+  #:use-module (guix modules)
   #:use-module (srfi srfi-1)
   #:use-module (ice-9 match)
   #:export (dbus-configuration
@@ -161,24 +163,23 @@ includes the @code{etc/dbus-1/system.d} directories of each package listed in
 
 (define (dbus-activation config)
   "Return an activation gexp for D-Bus using @var{config}."
-  #~(begin
-      (use-modules (guix build utils))
-
-      (mkdir-p "/var/run/dbus")
-
-      (let ((user (getpwnam "messagebus")))
-        (chown "/var/run/dbus"
-               (passwd:uid user) (passwd:gid user))
-
-        ;; This directory contains the daemon's socket so it must be
-        ;; world-readable.
-        (chmod "/var/run/dbus" #o755))
-
-      (unless (file-exists? "/etc/machine-id")
-        (format #t "creating /etc/machine-id...~%")
-        (invoke (string-append #$(dbus-configuration-dbus config)
-                               "/bin/dbus-uuidgen")
-                "--ensure=/etc/machine-id"))))
+  (with-imported-modules (source-module-closure
+                          '((gnu build activation)
+                            (guix build utils)))
+    #~(begin
+        (use-modules (gnu build activation)
+                     (guix build utils))
+
+        (let ((user (getpwnam "messagebus")))
+          ;; This directory contains the daemon's socket so it must be
+          ;; world-readable.
+          (mkdir-p/perms "/var/run/dbus" user #o755))
+
+        (unless (file-exists? "/etc/machine-id")
+          (format #t "creating /etc/machine-id...~%")
+          (invoke (string-append #$(dbus-configuration-dbus config)
+                                 "/bin/dbus-uuidgen")
+                  "--ensure=/etc/machine-id")))))
 
 (define dbus-shepherd-service
   (match-lambda
diff --git a/gnu/services/dns.scm b/gnu/services/dns.scm
index d4aefe6285..55211cb08f 100644
--- a/gnu/services/dns.scm
+++ b/gnu/services/dns.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2017 Julien Lepiller <julien@lepiller.eu>
 ;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
 ;;; Copyright © 2020 Pierre Langlois <pierre.langlois@gmx.com>
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -28,6 +29,7 @@
   #:use-module (guix packages)
   #:use-module (guix records)
   #:use-module (guix gexp)
+  #:use-module (guix modules)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-26)
   #:use-module (srfi srfi-34)
@@ -607,17 +609,14 @@
           (shell (file-append shadow "/sbin/nologin")))))
 
 (define (knot-activation config)
-  #~(begin
-      (use-modules (guix build utils))
-      (define (mkdir-p/perms directory owner perms)
-        (mkdir-p directory)
-        (chown directory (passwd:uid owner) (passwd:gid owner))
-        (chmod directory perms))
-      (mkdir-p/perms #$(knot-configuration-run-directory config)
-                     (getpwnam "knot") #o755)
-      (mkdir-p/perms "/var/lib/knot" (getpwnam "knot") #o755)
-      (mkdir-p/perms "/var/lib/knot/keys" (getpwnam "knot") #o755)
-      (mkdir-p/perms "/var/lib/knot/keys/keys" (getpwnam "knot") #o755)))
+  (with-imported-modules (source-module-closure '((gnu build activation)))
+    #~(begin
+        (use-modules (gnu build activation))
+        (mkdir-p/perms #$(knot-configuration-run-directory config)
+                       (getpwnam "knot") #o755)
+        (mkdir-p/perms "/var/lib/knot" (getpwnam "knot") #o755)
+        (mkdir-p/perms "/var/lib/knot/keys" (getpwnam "knot") #o755)
+        (mkdir-p/perms "/var/lib/knot/keys/keys" (getpwnam "knot") #o755))))
 
 (define (knot-shepherd-service config)
   (let* ((config-file (knot-config-file config))