2 files changed, 10 insertions(+), 4 deletions(-)

M doc/guix.texi
M gnu/services/admin.scm

@@ 23337,6 23337,10 @@ system to use for the upgrade.  If no value is provided the
 This field specifies whether the system should reboot after completing
 an unattended upgrade.
 
+When @code{reboot?} is @code{#t}, services are not restarted before
+rebooting.  This means that the value for @code{services-to-restart} is
+ignored.  The updated services will be started after the system reboots.
+
 @item @code{services-to-restart} (default: @code{'(mcron)})
 This field specifies the Shepherd services to restart when the upgrade
 completes.

@@ 512,11 512,13 @@ which lets you search for packages that provide a given file.")
                       #$(string-append (number->string expiration)
                                        "s")))
 
-            (format #t "~a restarting services...~%" (timestamp))
-            (for-each restart-service '#$services)
+            (unless #$reboot?
+              ;; Rebooting effectively restarts services anyway and execution
+              ;; would be halted here if mcron is restarted.
+              (format #t "~a restarting services...~%" (timestamp))
+              (for-each restart-service '#$services))
 
-            ;; XXX: If 'mcron' has been restarted, perhaps this isn't
-            ;; reached.
+            ;; XXX: If 'mcron' has been restarted, this is not reached.
             (format #t "~a upgrade complete~%" (timestamp))
 
             ;; Stopping the root shepherd service triggers a reboot.