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guix/tests/grafts.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-grafts)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix derivations)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix grafts)
#:use-module (guix tests)
#:use-module ((gnu packages) #:select (search-bootstrap-binary))
#:use-module (gnu packages bootstrap)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-64)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module (ice-9 vlist))
(define %store
(open-connection-for-tests))
(define (bootstrap-binary name)
(let ((bin (search-bootstrap-binary name (%current-system))))
(and %store
(add-to-store %store name #t "sha256" bin))))
(define %bash
(bootstrap-binary "bash"))
(define %mkdir
(bootstrap-binary "mkdir"))
(define make-derivation-input
(@@ (guix derivations) make-derivation-input))
(test-begin "grafts")
(test-equal "graft-derivation, grafted item is a direct dependency"
'((type . graft) (graft (count . 2)))
(let* ((build `(begin
(mkdir %output)
(chdir %output)
(symlink %output "self")
(call-with-output-file "text"
(lambda (output)
(format output "foo/~a/bar" ,%mkdir)))
(symlink ,%bash "sh")))
(orig (build-expression->derivation %store "grafted" build
#:inputs `(("a" ,%bash)
("b" ,%mkdir))))
(one (add-text-to-store %store "bash" "fake bash"))
(two (build-expression->derivation %store "mkdir"
'(call-with-output-file %output
(lambda (port)
(display "fake mkdir" port)))))
(grafted (graft-derivation %store orig
(list (graft
(origin %bash)
(replacement one))
(graft
(origin %mkdir)
(replacement two))))))
(and (build-derivations %store (list grafted))
(let ((properties (derivation-properties grafted))
(two (derivation->output-path two))
(grafted (derivation->output-path grafted)))
(and (string=? (format #f "foo/~a/bar" two)
(call-with-input-file (string-append grafted "/text")
get-string-all))
(string=? (readlink (string-append grafted "/sh")) one)
(string=? (readlink (string-append grafted "/self"))
grafted)
properties)))))
(test-assert "graft-derivation, grafted item uses a different name"
(let* ((build `(begin
(mkdir %output)
(chdir %output)
(symlink %output "self")
(symlink ,%bash "sh")))
(orig (build-expression->derivation %store "grafted" build
#:inputs `(("a" ,%bash))))
(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 ((grafted (derivation->output-path grafted)))
(and (string=? (readlink (string-append grafted "/sh")) repl)
(string=? (readlink (string-append grafted "/self"))
grafted))))))
;; Make sure 'derivation-file-name' always gets to see an absolute file name.
(fluid-set! %file-port-name-canonicalization 'absolute)
(test-assert "graft-derivation, grafted item is an indirect dependency"
(let* ((build `(begin
(mkdir %output)
(chdir %output)
(symlink %output "self")
(call-with-output-file "text"
(lambda (output)
(format output "foo/~a/bar" ,%mkdir)))
(symlink ,%bash "sh")))
(dep (build-expression->derivation %store "dep" build
#:inputs `(("a" ,%bash)
("b" ,%mkdir))))
(orig (build-expression->derivation %store "thing"
'(symlink
(assoc-ref %build-inputs
"dep")
%output)
#:inputs `(("dep" ,dep))))
(one (add-text-to-store %store "bash" "fake bash"))
(two (build-expression->derivation %store "mkdir"
'(call-with-output-file %output
(lambda (port)
(display "fake mkdir" port)))))
(grafted (graft-derivation %store orig
(list (graft
(origin %bash)
(replacement one))
(graft
(origin %mkdir)
(replacement two))))))
(and (build-derivations %store (list grafted))
(let* ((two (derivation->output-path two))
(grafted (derivation->output-path grafted))
(dep (readlink grafted)))
(and (string=? (format #f "foo/~a/bar" two)
(call-with-input-file (string-append dep "/text")
get-string-all))
(string=? (readlink (string-append dep "/sh")) one)
(string=? (readlink (string-append dep "/self")) dep)
(equal? (references %store grafted) (list dep))
(lset= string=?
(list one two dep)
(references %store dep)))))))
(test-assert "graft-derivation, preserve empty directories"
(run-with-store %store
(mlet* %store-monad ((fake (text-file "bash" "Fake bash."))
(graft -> (graft
(origin %bash)
(replacement fake)))
(drv (gexp->derivation
"to-graft"
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir-p (string-append #$output
"/a/b/c/d"))
(symlink #$%bash
(string-append #$output
"/bash"))))))
(grafted ((store-lift graft-derivation) drv
(list graft)))
(_ (built-derivations (list grafted)))
(out -> (derivation->output-path grafted)))
(return (and (string=? (readlink (string-append out "/bash"))
fake)
(file-is-directory? (string-append out "/a/b/c/d")))))))
(test-assert "graft-derivation, no dependencies on grafted output"
(run-with-store %store
(mlet* %store-monad ((fake (text-file "bash" "Fake bash."))
(graft -> (graft
(origin %bash)
(replacement fake)))
(drv (gexp->derivation "foo" #~(mkdir #$output)))
(grafted ((store-lift graft-derivation) drv
(list graft))))
(return (eq? grafted drv)))))
(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-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))
(mkdir-p (string-append (assoc-ref %outputs "out") "/"
(assoc-ref %build-inputs "in")))))
(orig (build-expression->derivation %store "thing-to-graft" build
#:modules '((guix build utils))
#:inputs `(("in" ,%bash))))
(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 ((out (derivation->output-path grafted)))
(file-is-directory? (string-append out "/" repl))))))
(test-assert "graft-derivation, grafts are not shadowed"
;; We build a DAG as below, where dotted arrows represent replacements and
;; solid arrows represent dependencies:
;;
;; P1 ·············> P1R
;; |\__________________.
;; v v
;; P2 ·············> P2R
;; |
;; v
;; P3
;;
;; We want to make sure that the two grafts we want to apply to P3 are
;; honored and not shadowed by other computed grafts.
(let* ((p1 (build-expression->derivation
%store "p1"
'(mkdir (assoc-ref %outputs "out"))))
(p1r (build-expression->derivation
%store "P1"
'(let ((out (assoc-ref %outputs "out")))
(mkdir out)
(call-with-output-file (string-append out "/replacement")
(const #t)))))
(p2 (build-expression->derivation
%store "p2"
`(let ((out (assoc-ref %outputs "out")))
(mkdir out)
(chdir out)
(symlink (assoc-ref %build-inputs "p1") "p1"))
#:inputs `(("p1" ,p1))))
(p2r (build-expression->derivation
%store "P2"
`(let ((out (assoc-ref %outputs "out")))
(mkdir out)
(chdir out)
(symlink (assoc-ref %build-inputs "p1") "p1")
(call-with-output-file (string-append out "/replacement")
(const #t)))
#:inputs `(("p1" ,p1))))
(p3 (build-expression->derivation
%store "p3"
`(let ((out (assoc-ref %outputs "out")))
(mkdir out)
(chdir out)
(symlink (assoc-ref %build-inputs "p2") "p2"))
#:inputs `(("p2" ,p2))))
(p1g (graft
(origin p1)
(replacement p1r)))
(p2g (graft
(origin p2)
(replacement (graft-derivation %store p2r (list p1g)))))
(p3d (graft-derivation %store p3 (list p1g p2g))))
(and (build-derivations %store (list p3d))
(let ((out (derivation->output-path (pk p3d))))
;; Make sure OUT refers to the replacement of P2, which in turn
;; refers to the replacement of P1, as specified by P1G and P2G.
;; It used to be the case that P2G would be shadowed by a simple
;; P2->P2R graft, which is not what we want.
(and (file-exists? (string-append out "/p2/replacement"))
(file-exists? (string-append out "/p2/p1/replacement")))))))
(define buffer-size
;; Must be equal to REQUEST-SIZE in 'replace-store-references'.
(expt 2 20))
(test-equal "replace-store-references, <http://bugs.gnu.org/28212>"
(string-append (make-string (- buffer-size 47) #\a)
"/gnu/store/" (make-string 32 #\8)
"-SoMeTHiNG"
(list->string (map integer->char (iota 77 33))))
;; Create input data where the right-hand-size of the dash ("-something"
;; here) goes beyond the end of the internal buffer of
;; 'replace-store-references'.
(let* ((content (string-append (make-string (- buffer-size 47) #\a)
"/gnu/store/" (make-string 32 #\7)
"-something"
(list->string
(map integer->char (iota 77 33)))))
(replacement (alist->vhash
`((,(make-string 32 #\7)
. ,(string->utf8 (string-append
(make-string 32 #\8)
"-SoMeTHiNG")))))))
(call-with-output-string
(lambda (output)
((@@ (guix build graft) replace-store-references)
(open-input-string content) output
replacement
"/gnu/store")))))
(test-end)