GNU bug report logs - #46560
[PATCH 0/2] Activate system when switching generations.

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From: Brice Waegeneire <brice <at> waegenei.re>
To: 46560 <at> debbugs.gnu.org
Subject: [bug#46560] [PATCH 1/2] gnu: services: Add activate script to the profile system directory.
Date: Tue, 16 Feb 2021 14:22:34 +0100

* gnu/services.scm (activation-profile-entry): New procedure...
(activation-service-type): ... use it.
---
 gnu/services.scm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/gnu/services.scm b/gnu/services.scm
index 13259dfaee..ddd1bac30c 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -617,13 +617,21 @@ ACTIVATION-SCRIPT-TYPE."
   "Return a gexp that runs the activation script containing GEXPS."
   #~(primitive-load #$(activation-script gexps)))
 
+(define (activation-profile-entry gexps)
+  "Return, as a monadic value, an entry for the activation script in the
+system directory."
+  (mlet %store-monad ((activate (lower-object (activation-script gexps))))
+    (return `(("activate" ,activate)))))
+
 (define (second-argument a b) b)
 
 (define activation-service-type
   (service-type (name 'activate)
                 (extensions
                  (list (service-extension boot-service-type
-                                          gexps->activation-gexp)))
+                                          gexps->activation-gexp)
+                       (service-extension system-service-type
+                                          activation-profile-entry)))
                 (compose identity)
                 (extend second-argument)
                 (description
-- 
2.30.1

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