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derivations: 'derivation-path->output-path' honors the 'output' parameter.

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* guix/derivations.scm (derivation-path->output-path): Pass OUTPUT.
* tests/derivations.scm ("multiple-output derivation,
  derivation-path->output-path"): New test.
This commit is contained in:
Ludovic Courtès 2013-10-30 19:09:32 +01:00
parent d595e456c1
commit d0dc4907d6
2 changed files with 19 additions and 1 deletions
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3
guix/derivations.scm
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@ -441,7 +441,8 @@ that form."
(lambda* (path #:optional (output "out"))
"Read the derivation from PATH (`/nix/store/xxx.drv'), and return the store
path of its output OUTPUT."
(derivation->output-path (call-with-input-file path read-derivation)))))
(derivation->output-path (call-with-input-file path read-derivation)
output))))
(define (derivation-path->output-paths path)
"Read the derivation from PATH (`/nix/store/xxx.drv'), and return the

17
tests/derivations.scm
View file

@ -260,6 +260,23 @@
(and (eq? 'one (call-with-input-file one read))
(eq? 'two (call-with-input-file two read)))))))
(test-assert "multiple-output derivation, derivation-path->output-path"
(let* ((builder (add-text-to-store %store "builder.sh"
"echo one > $out ; echo two > $second"
'()))
(drv (derivation %store "multiple"
%bash `(,builder)
#:outputs '("out" "second")))
(drv-file (derivation-file-name drv))
(one (derivation->output-path drv "out"))
(two (derivation->output-path drv "second"))
(first (derivation-path->output-path drv-file "out"))
(second (derivation-path->output-path drv-file "second")))
(and (not (string=? one two))
(string-suffix? "-second" two)
(string=? first one)
(string=? second two))))
(test-assert "user of multiple-output derivation"
;; Check whether specifying several inputs coming from the same
;; multiple-output derivation works.