branch master updated: doc: Explain how to set custom Shepherd package.

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     new 847c816  doc: Explain how to set custom Shepherd package.
847c816 is described below

commit 847c816ddd3a38c865da460cb7b22cf665db162f
Author: Oleg Pykhalov <go.wigust@gmail.com>
AuthorDate: Mon Feb 1 01:49:00 2021 +0300

    doc: Explain how to set custom Shepherd package.
    
    * doc/guix.texi (Shepherd Services): Give example on how to set custom
    Shepherd package.
---
 doc/guix.texi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/doc/guix.texi b/doc/guix.texi
index 9e62da4..beff276 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -32895,6 +32895,25 @@ mechanism instead (@pxref{Shepherd Services}).
 @end table
 @end deftp
 
+The following example specifies the Shepherd package for the operating
+system:
+
+@lisp
+(operating-system
+  ;; ...
+  (services (append (list openssh-service-type))
+            ;; ...
+            %desktop-services)
+  ;; ...
+  ;; Use own Shepherd package.
+  (essential-services
+   (modify-services (operating-system-default-essential-services
+                     this-operating-system)
+     (shepherd-root-service-type config => (shepherd-configuration
+                                            (inherit config)
+                                            (shepherd my-shepherd))))))
+@end lisp
+
 @defvr {Scheme Variable} %shepherd-root-service
 This service represents PID@tie{}1.
 @end defvr