diff options
Diffstat (limited to 'guix/derivations.scm')
| -rw-r--r-- | guix/derivations.scm | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/guix/derivations.scm b/guix/derivations.scm index 8145d51143..4df7b06181 100644 --- a/guix/derivations.scm +++ b/guix/derivations.scm @@ -157,6 +157,14 @@ "Return the <derivation> object INPUT refers to." (read-derivation-from-file (derivation-input-path input))) +(define* (derivation-input drv #:optional + (outputs (derivation-output-names drv))) + "Return a <derivation-input> for the OUTPUTS of DRV." + ;; This is a public interface meant to be more convenient than + ;; 'make-derivation-input' and giving us more control. + (make-derivation-input (derivation-file-name drv) + outputs)) + (set-record-type-printer! <derivation> (lambda (drv port) (format port "#<derivation ~a => ~a ~a>" |