04/05: system: Add 'location' field to <operating-system>.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit 9e12da319b779d1c7f3d46ad2fd4025d4ffc228f
Author: Ludovic Courtès <ludo@gnu.org>
AuthorDate: Wed Jul 15 01:31:23 2020 +0200

    system: Add 'location' field to <operating-system>.
    
    This allows error messages to include source location info.
    
    * gnu/system.scm (<operating-system>)[location]: New field.
---
 gnu/system.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gnu/system.scm b/gnu/system.scm
index f915057..e7f85e4 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -118,6 +118,7 @@
             operating-system-sudoers-file
             operating-system-swap-devices
             operating-system-kernel-loadable-modules
+            operating-system-location
 
             operating-system-derivation
             operating-system-profile
@@ -255,7 +256,12 @@
                    (default %setuid-programs))    ; list of string-valued gexps
 
   (sudoers-file operating-system-sudoers-file     ; file-like
-                (default %sudoers-specification)))
+                (default %sudoers-specification))
+
+  (location operating-system-location             ; <location>
+            (default (and=> (current-source-location)
+                            source-properties->location))
+            (innate)))
 
 (define (operating-system-kernel-arguments os root-device)
   "Return all the kernel arguments, including the ones not specified