;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
(define %mkdir
(bootstrap-binary "mkdir"))
+(define make-derivation-input
+ (@@ (guix derivations) make-derivation-input))
+
\f
(test-begin "grafts")
(and (string=? (readlink one) repl)
(string=? (readlink two) one))))))
+(test-assert "graft-derivation, replaced derivation has multiple outputs"
+ ;; Here we have a replacement just for output "one" of P1 and not for the
+ ;; other output. Make sure the graft for P1:one correctly applies to the
+ ;; dependents of P1. See <http://bugs.gnu.org/24712>.
+ (let* ((p1 (build-expression->derivation
+ %store "p1"
+ `(let ((one (assoc-ref %outputs "one"))
+ (two (assoc-ref %outputs "two")))
+ (mkdir one)
+ (mkdir two))
+ #:outputs '("one" "two")))
+ (p1r (build-expression->derivation
+ %store "P1"
+ `(let ((other (assoc-ref %outputs "ONE")))
+ (mkdir other)
+ (call-with-output-file (string-append other "/replacement")
+ (const #t)))
+ #:outputs '("ONE")))
+ (p2 (build-expression->derivation
+ %store "p2"
+ `(let ((out (assoc-ref %outputs "aaa")))
+ (mkdir (assoc-ref %outputs "zzz"))
+ (mkdir out) (chdir out)
+ (symlink (assoc-ref %build-inputs "p1:one") "one")
+ (symlink (assoc-ref %build-inputs "p1:two") "two"))
+ #:outputs '("aaa" "zzz")
+ #:inputs `(("p1:one" ,p1 "one")
+ ("p1:two" ,p1 "two"))))
+ (p3 (build-expression->derivation
+ %store "p3"
+ `(symlink (assoc-ref %build-inputs "p2:aaa")
+ (assoc-ref %outputs "out"))
+ #:inputs `(("p2:aaa" ,p2 "aaa")
+ ("p2:zzz" ,p2 "zzz"))))
+ (p1g (graft
+ (origin p1)
+ (origin-output "one")
+ (replacement p1r)
+ (replacement-output "ONE")))
+ (p3d (graft-derivation %store p3 (list p1g))))
+
+ (and (not (find (lambda (input)
+ ;; INPUT should not be P2:zzz since the result of P3
+ ;; does not depend on it. See
+ ;; <http://bugs.gnu.org/24886>.
+ (and (string=? (derivation-input-path input)
+ (derivation-file-name p2))
+ (member "zzz"
+ (derivation-input-sub-derivations input))))
+ (derivation-inputs p3d)))
+
+ (build-derivations %store (list p3d))
+ (let ((out (derivation->output-path (pk 'p2d p3d))))
+ (and (not (string=? (readlink out)
+ (derivation->output-path p2 "aaa")))
+ (string=? (derivation->output-path p1 "two")
+ (readlink (string-append out "/two")))
+ (file-exists? (string-append out "/one/replacement")))))))
+
+(test-assert "graft-derivation with #:outputs"
+ ;; Call 'graft-derivation' with a narrowed set of outputs passed as
+ ;; #:outputs.
+ (let* ((p1 (build-expression->derivation
+ %store "p1"
+ `(let ((one (assoc-ref %outputs "one"))
+ (two (assoc-ref %outputs "two")))
+ (mkdir one)
+ (mkdir two))
+ #:outputs '("one" "two")))
+ (p1r (build-expression->derivation
+ %store "P1"
+ `(let ((other (assoc-ref %outputs "ONE")))
+ (mkdir other)
+ (call-with-output-file (string-append other "/replacement")
+ (const #t)))
+ #:outputs '("ONE")))
+ (p2 (build-expression->derivation
+ %store "p2"
+ `(let ((aaa (assoc-ref %outputs "aaa"))
+ (zzz (assoc-ref %outputs "zzz")))
+ (mkdir zzz) (chdir zzz)
+ (mkdir aaa) (chdir aaa)
+ (symlink (assoc-ref %build-inputs "p1:two") "two"))
+ #:outputs '("aaa" "zzz")
+ #:inputs `(("p1:one" ,p1 "one")
+ ("p1:two" ,p1 "two"))))
+ (p1g (graft
+ (origin p1)
+ (origin-output "one")
+ (replacement p1r)
+ (replacement-output "ONE")))
+ (p2g (graft-derivation %store p2 (list p1g)
+ #:outputs '("aaa"))))
+ ;; P2:aaa depends on P1:two, but not on P1:one, so nothing to graft.
+ (eq? p2g p2)))
+
+(test-equal "graft-derivation, unused outputs not depended on"
+ '("aaa")
+
+ ;; Make sure that the result of 'graft-derivation' does not pull outputs
+ ;; that are irrelevant to the grafting process. See
+ ;; <http://bugs.gnu.org/24886>.
+ (let* ((p1 (build-expression->derivation
+ %store "p1"
+ `(let ((one (assoc-ref %outputs "one"))
+ (two (assoc-ref %outputs "two")))
+ (mkdir one)
+ (mkdir two))
+ #:outputs '("one" "two")))
+ (p1r (build-expression->derivation
+ %store "P1"
+ `(let ((other (assoc-ref %outputs "ONE")))
+ (mkdir other)
+ (call-with-output-file (string-append other "/replacement")
+ (const #t)))
+ #:outputs '("ONE")))
+ (p2 (build-expression->derivation
+ %store "p2"
+ `(let ((aaa (assoc-ref %outputs "aaa"))
+ (zzz (assoc-ref %outputs "zzz")))
+ (mkdir zzz) (chdir zzz)
+ (symlink (assoc-ref %build-inputs "p1:two") "two")
+ (mkdir aaa) (chdir aaa)
+ (symlink (assoc-ref %build-inputs "p1:one") "one"))
+ #:outputs '("aaa" "zzz")
+ #:inputs `(("p1:one" ,p1 "one")
+ ("p1:two" ,p1 "two"))))
+ (p1g (graft
+ (origin p1)
+ (origin-output "one")
+ (replacement p1r)
+ (replacement-output "ONE")))
+ (p2g (graft-derivation %store p2 (list p1g)
+ #:outputs '("aaa"))))
+
+ ;; Here P2G should only depend on P1:one and P1R:one; it must not depend
+ ;; on P1:two or P1R:two since these are unused in the grafting process.
+ (and (not (eq? p2g p2))
+ (let* ((inputs (derivation-inputs p2g))
+ (match-input (lambda (drv)
+ (lambda (input)
+ (string=? (derivation-input-path input)
+ (derivation-file-name drv)))))
+ (p1-inputs (filter (match-input p1) inputs))
+ (p1r-inputs (filter (match-input p1r) inputs))
+ (p2-inputs (filter (match-input p2) inputs)))
+ (and (equal? p1-inputs
+ (list (make-derivation-input (derivation-file-name p1)
+ '("one"))))
+ (equal? p1r-inputs
+ (list
+ (make-derivation-input (derivation-file-name p1r)
+ '("ONE"))))
+ (equal? p2-inputs
+ (list
+ (make-derivation-input (derivation-file-name p2)
+ '("aaa"))))
+ (derivation-output-names p2g))))))
+
(test-assert "graft-derivation, renaming" ;<http://bugs.gnu.org/23132>
(let* ((build `(begin
(use-modules (guix build utils))