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-rw-r--r--tests/gexp.scm16
1 files changed, 11 insertions, 5 deletions
diff --git a/tests/gexp.scm b/tests/gexp.scm
index 87c774782a..d343dc3329 100644
--- a/tests/gexp.scm
+++ b/tests/gexp.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -20,6 +20,7 @@
   #:use-module (guix store)
   #:use-module (guix monads)
   #:use-module (guix gexp)
+  #:use-module (guix grafts)
   #:use-module (guix derivations)
   #:use-module (guix packages)
   #:use-module (guix tests)
@@ -39,6 +40,9 @@
 (define %store
   (open-connection-for-tests))
 
+;; Globally disable grafts because they can trigger early builds.
+(%graft? #f)
+
 ;; For white-box testing.
 (define (gexp-inputs x)
   ((@@ (guix gexp) gexp-inputs) x))
@@ -334,7 +338,8 @@
                  (equal? refs2 (list file))))))
 
 (test-assertm "gexp->derivation vs. grafts"
-  (mlet* %store-monad ((p0 ->   (dummy-package "dummy"
+  (mlet* %store-monad ((graft?  (set-grafting #f))
+                       (p0 ->   (dummy-package "dummy"
                                                (arguments
                                                 '(#:implicit-inputs? #f))))
                        (r  ->   (package (inherit p0) (name "DuMMY")))
@@ -342,9 +347,10 @@
                        (exp0 -> (gexp (frob (ungexp p0) (ungexp output))))
                        (exp1 -> (gexp (frob (ungexp p1) (ungexp output))))
                        (void    (set-guile-for-build %bootstrap-guile))
-                       (drv0    (gexp->derivation "t" exp0))
-                       (drv1    (gexp->derivation "t" exp1))
-                       (drv1*   (gexp->derivation "t" exp1 #:graft? #f)))
+                       (drv0    (gexp->derivation "t" exp0 #:graft? #t))
+                       (drv1    (gexp->derivation "t" exp1 #:graft? #t))
+                       (drv1*   (gexp->derivation "t" exp1 #:graft? #f))
+                       (_       (set-grafting graft?)))
     (return (and (not (string=? (derivation->output-path drv0)
                                 (derivation->output-path drv1)))
                  (string=? (derivation->output-path drv0)