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bug#41541: [PATCH 8/8] system: Add `hurd-activation'.


From: Jan (janneke) Nieuwenhuizen
Subject: bug#41541: [PATCH 8/8] system: Add `hurd-activation'.
Date: Thu, 4 Jun 2020 15:59:14 +0200

* gnu/build/activation.scm (boot-time-system): Add #:kernel-command-line
parameter.
* gnu/build/activation.scm (activate-current-system): Likewise, and pass it.
Change optional system parameter to #:system.
* gnu/system.scm (gnu/linux-activation-script): Rename from activation-script.
(activation-script, hurd-activation-script): New procedure.
---
 gnu/build/activation.scm |  9 +++--
 gnu/services.scm         | 81 +++++++++++++++++++++++++++-------------
 2 files changed, 60 insertions(+), 30 deletions(-)

diff --git a/gnu/build/activation.scm b/gnu/build/activation.scm
index 30f5e87d5a..85ff8d8996 100644
--- a/gnu/build/activation.scm
+++ b/gnu/build/activation.scm
@@ -318,13 +318,14 @@ improvement."
   ;; a new system configuration and activate it, without rebooting.
   "/run/current-system")
 
-(define (boot-time-system)
+(define* (boot-time-system #:key (kernel-command-line linux-command-line))
   "Return the '--system' argument passed on the kernel command line."
-  (find-long-option "--system" (linux-command-line)))
+  (find-long-option "--system" (kernel-command-line)))
 
 (define* (activate-current-system
-          #:optional (system (or (getenv "GUIX_NEW_SYSTEM")
-                                 (boot-time-system))))
+          #:key (kernel-command-line linux-command-line)
+          (system (or (getenv "GUIX_NEW_SYSTEM")
+                      (boot-time-system #:kernel-command-line 
kernel-command-line))))
   "Atomically make SYSTEM the current system."
   ;; The 'GUIX_NEW_SYSTEM' environment variable is used as a way for 'guix
   ;; system reconfigure' to pass the file name of the new system.
diff --git a/gnu/services.scm b/gnu/services.scm
index 614956fbab..78f5d15f06 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -519,35 +519,64 @@ ACTIVATION-SCRIPT-TYPE."
 
 (define (activation-script gexps)
   "Return the system's activation script, which evaluates GEXPS."
+  (program-file "activate.scm" (if (hurd-target?)
+                                   (hurd-activation-script gexps)
+                                   (gnu/linux-activation-script gexps))))
+
+(define (gnu/linux-activation-script gexps)
+  "Return a GNU/Linux system activation script, which evaluates GEXPS."
+
   (define actions
     (map (cut program-file "activate-service.scm" <>) gexps))
 
-  (program-file "activate.scm"
-                (with-imported-modules (source-module-closure
-                                        '((gnu build activation)
-                                          (guix build utils)))
-                  #~(begin
-                      (use-modules (gnu build activation)
-                                   (guix build utils))
-
-                      ;; Make sure the user accounting database exists.  If it
-                      ;; does not exist, 'setutxent' does not create it and
-                      ;; thus there is no accounting at all.
-                      (close-port (open-file "/var/run/utmpx" "a0"))
-
-                      ;; Same for 'wtmp', which is populated by mingetty et
-                      ;; al.
-                      (mkdir-p "/var/log")
-                      (close-port (open-file "/var/log/wtmp" "a0"))
-
-                      ;; Set up /run/current-system.  Among other things this
-                      ;; sets up locales, which the activation snippets
-                      ;; executed below may expect.
-                      (activate-current-system)
-
-                      ;; Run the services' activation snippets.
-                      ;; TODO: Use 'load-compiled'.
-                      (for-each primitive-load '#$actions)))))
+  (with-imported-modules (source-module-closure
+                          '((gnu build activation)
+                            (guix build utils)))
+    #~(begin
+        (use-modules (gnu build activation)
+                     (guix build utils))
+
+        ;; Make sure the user accounting database exists.  If it
+        ;; does not exist, 'setutxent' does not create it and
+        ;; thus there is no accounting at all.
+        (close-port (open-file "/var/run/utmpx" "a0"))
+
+        ;; Same for 'wtmp', which is populated by mingetty et
+        ;; al.
+        (close-port (open-file "/var/log/wtmp" "a0"))
+
+        ;; Set up /run/current-system.  Among other things this
+        ;; sets up locales, which the activation snippets
+        ;; executed below may expect.
+        (activate-current-system)
+
+        ;; Run the services' activation snippets.
+        ;; TODO: Use 'load-compiled'.
+        (for-each primitive-load '#$actions))))
+
+(define (hurd-activation-script gexps)
+  "Return the Hurd activation script, which evaluates GEXPS."
+  (define actions
+    (map (cut program-file "activate-service.scm" <>) gexps))
+
+  (with-imported-modules (source-module-closure
+                          '((gnu build activation)
+                            (guix build utils)))
+    #~(begin
+        (use-modules (gnu build activation)
+                     (guix build utils))
+
+        (mkdir-p "/var/run")            ;for the PID files
+        (mkdir-p "/var/log")
+
+        ;; Set up /run/current-system.  Among other things this
+        ;; sets up locales, which the activation snippets
+        ;; executed below may expect.
+        (activate-current-system #:kernel-command-line command-line)
+
+        ;; Run the services' activation snippets.
+        ;; TODO: Use 'load-compiled'.
+        (for-each primitive-load '#$actions))))
 
 (define (gexps->activation-gexp gexps)
   "Return a gexp that runs the activation script containing GEXPS."
-- 
2.26.2






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