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grafts: Consider all the outputs in the graft mapping.

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Before that, outputs of a derivation could be left referring to the
ungrafted version of the derivation.

* guix/grafts.scm (graft-derivation)[outputs]: Change to a list of
name/file pairs.
* guix/grafts.scm (graft-derivation)[build]: Add 'old-outputs' variable
and use it when computing 'mapping'.  Use 'mapping' directly.
* tests/grafts.scm ("graft-derivation, multiple outputs"): New test.
This commit is contained in:
Ludovic Courtès 2016-02-27 23:28:35 +01:00
parent cd05d38812
commit f376dc3acb
2 changed files with 35 additions and 8 deletions
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20
tests/grafts.scm
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@ -75,6 +75,26 @@
(string=? (readlink (string-append graft "/sh")) one)
(string=? (readlink (string-append graft "/self")) graft))))))
(test-assert "graft-derivation, multiple outputs"
(let* ((build `(begin
(symlink (assoc-ref %build-inputs "a")
(assoc-ref %outputs "one"))
(symlink (assoc-ref %outputs "one")
(assoc-ref %outputs "two"))))
(orig (build-expression->derivation %store "grafted" build
#:inputs `(("a" ,%bash))
#:outputs '("one" "two")))
(repl (add-text-to-store %store "bash" "fake bash"))
(grafted (graft-derivation %store orig
(list (graft
(origin %bash)
(replacement repl))))))
(and (build-derivations %store (list grafted))
(let ((one (derivation->output-path grafted "one"))
(two (derivation->output-path grafted "two")))
(and (string=? (readlink one) repl)
(string=? (readlink two) one))))))
(test-end)