From 7bc5657f8434de06d904c36f8960a1b1dddf10ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 4 Dec 2018 10:43:28 +0100
Subject: grafts: Mark as non substitutable.

* guix/grafts.scm (graft-derivation/shallow): Pass #:substitutable? to
'build-expression->derivation'.
---
 guix/grafts.scm | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'guix')

diff --git a/guix/grafts.scm b/guix/grafts.scm
index 63f384555b..db9c6854fd 100644
--- a/guix/grafts.scm
+++ b/guix/grafts.scm
@@ -144,7 +144,12 @@ are not recursively applied to dependencies of DRV."
                                                 ,@(append (map add-label sources)
                                                           (map add-label targets)))
                                      #:outputs outputs
+
+                                     ;; Grafts are computationally cheap so no
+                                     ;; need to offload or substitute.
                                      #:local-build? #t
+                                     #:substitutable? #f
+
                                      #:properties properties)))))
 (define (item->deriver store item)
   "Return two values: the derivation that led to ITEM (a store item), and the
-- 
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