diff options
Diffstat (limited to 'guix/grafts.scm')
| -rw-r--r-- | guix/grafts.scm | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/guix/grafts.scm b/guix/grafts.scm index f303e925f1..db9c6854fd 100644 --- a/guix/grafts.scm +++ b/guix/grafts.scm @@ -40,7 +40,8 @@ graft-derivation/shallow %graft? - set-grafting)) + set-grafting + grafting?)) (define-record-type* <graft> graft make-graft graft? @@ -122,6 +123,10 @@ are not recursively applied to dependencies of DRV." (define add-label (cut cons "x" <>)) + (define properties + `((type . graft) + (graft (count . ,(length grafts))))) + (match grafts ((($ <graft> sources source-outputs targets target-outputs) ...) (let ((sources (zip sources source-outputs)) @@ -139,7 +144,13 @@ are not recursively applied to dependencies of DRV." ,@(append (map add-label sources) (map add-label targets))) #:outputs outputs - #:local-build? #t))))) + + ;; 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 name of the output of that derivation ITEM corresponds to (for example @@ -328,6 +339,11 @@ it otherwise. It returns the previous setting." (lambda (store) (values (%graft? enable?) store))) +(define (grafting?) + "Return a Boolean indicating whether grafting is enabled." + (lambda (store) + (values (%graft?) store))) + ;; Local Variables: ;; eval: (put 'with-cache 'scheme-indent-function 1) ;; End: |