02/05: system: Add gexp compiler for <operating-system>.

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit 96da5d629672b27d4628c1f4dc8a273d4ade7852
Author: Ludovic Courtès <address@hidden>
Date:   Tue Sep 12 22:20:08 2017 +0200

    system: Add gexp compiler for <operating-system>.
    
    * gnu/system.scm (operating-system-compiler): New procedure.
---
 gnu/system.scm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gnu/system.scm b/gnu/system.scm
index bb7e853..c4404f5 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -967,4 +967,14 @@ being stored into the \"parameters\" file)."
                      (mount-point #$(boot-parameters-store-mount-point 
params))))
                  #:set-load-path? #f)))
 
+(define-gexp-compiler (operating-system-compiler (os <operating-system>)
+                                                 system target)
+  ((store-lift
+    (lambda (store)
+      ;; XXX: This is not super elegant but we can't pass SYSTEM and TARGET to
+      ;; 'operating-system-derivation'.
+      (run-with-store store (operating-system-derivation os)
+                      #:system system
+                      #:target target)))))
+
 ;;; system.scm ends here