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| author | Ludovic Courtès <ludo@gnu.org> | 2019-06-23 11:46:17 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-06-27 11:14:41 +0200 |
| commit | c89985d91d2b44704fbcaebd7a097dee0c0e3e4a (patch) | |
| tree | e4526f0321de2b397eaad258ce8a7be5e28c6362 /guix/derivations.scm | |
| parent | 4311cf965c978c7865c03349c82110b241f8ff23 (diff) | |
| download | guix-c89985d91d2b44704fbcaebd7a097dee0c0e3e4a.tar guix-c89985d91d2b44704fbcaebd7a097dee0c0e3e4a.tar.gz | |
derivations: Add 'derivation-input'.
* guix/derivations.scm (derivation-input): New procedure.
* tests/grafts.scm (make-derivation-input): Remove.
("graft-derivation, unused outputs not depended on"): Use
'derivation-input'.
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>" |