* guix/scripts/build.scm (package-dependents/spec)
(package-toolchain-rewriting, transform-package-toolchain): New procedures.
(%transformations): Add it.
(%transformation-options, show-transformation-options-help): Add
'--with-c-toolchain'.
* tests/scripts-build.scm (depends-on-toolchain?): New procedure.
("options->transformation, with-c-toolchain")
("options->transformation, with-c-toolchain twice")
New test.
("options->transformation, with-c-toolchain, no effect"): New tests.
* doc/guix.texi (Package Transformation Options): Document it.
		
	
			
		
			
				
	
	
		
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			370 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-scripts-build)
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  #:use-module (guix tests)
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  #:use-module (guix store)
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  #:use-module (guix derivations)
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  #:use-module (guix packages)
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  #:use-module (guix git-download)
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  #:use-module (guix build-system)
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  #:use-module (guix build-system gnu)
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  #:use-module (guix scripts build)
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  #:use-module (guix ui)
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  #:use-module (guix utils)
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  #:use-module (guix git)
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  #:use-module (gnu packages)
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  #:use-module (gnu packages base)
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  #:use-module (gnu packages busybox)
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  #:use-module (ice-9 match)
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  #:use-module (srfi srfi-1)
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  #:use-module (srfi srfi-26)
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  #:use-module (srfi srfi-64))
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(test-begin "scripts-build")
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(test-assert "options->transformation, no transformations"
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  (let ((p (dummy-package "foo"))
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        (t (options->transformation '())))
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    (with-store store
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      (eq? (t store p) p))))
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(test-assert "options->transformation, with-source"
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  ;; Our pseudo-package is called 'guix.scm' so the 'guix.scm' source should
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  ;; be applicable.
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  (let* ((p (dummy-package "guix.scm"))
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         (s (search-path %load-path "guix.scm"))
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         (t (options->transformation `((with-source . ,s)))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (string=? (package-source new)
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                       (add-to-store store "guix.scm" #t
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                                     "sha256" s)))))))
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(test-assert "options->transformation, with-source, replacement"
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  ;; Same, but this time the original package has a 'replacement' field.  We
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  ;; expect that replacement to be set to #f in the new package.
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  (let* ((p (dummy-package "guix.scm" (replacement coreutils)))
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         (s (search-path %load-path "guix.scm"))
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         (t (options->transformation `((with-source . ,s)))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (string=? (package-source new)
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                       (add-to-store store "guix.scm" #t "sha256" s))
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             (not (package-replacement new)))))))
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(test-assert "options->transformation, with-source, with version"
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  ;; Our pseudo-package is called 'guix.scm' so the 'guix.scm-2.0' source
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  ;; should be applicable, and its version should be extracted.
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  (let ((p (dummy-package "foo"))
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        (s (search-path %load-path "guix.scm")))
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    (call-with-temporary-directory
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     (lambda (directory)
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       (let* ((f (string-append directory "/foo-42.0.tar.gz"))
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              (t (options->transformation `((with-source . ,f)))))
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         (copy-file s f)
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         (with-store store
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           (let ((new (t store p)))
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             (and (not (eq? new p))
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                  (string=? (package-name new) (package-name p))
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                  (string=? (package-version new) "42.0")
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                  (string=? (package-source new)
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                            (add-to-store store (basename f) #t
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                                          "sha256" f))))))))))
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(test-assert "options->transformation, with-source, no matches"
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  ;; When a transformation in not applicable, a warning must be raised.
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  (let* ((p (dummy-package "foobar"))
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         (s (search-path %load-path "guix.scm"))
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         (t (options->transformation `((with-source . ,s)))))
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    (with-store store
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      (let* ((port (open-output-string))
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             (new  (parameterize ((guix-warning-port port))
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                     (t store p))))
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        (and (eq? new p)
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             (string-contains (get-output-string port)
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                              "had no effect"))))))
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(test-assert "options->transformation, with-source, PKG=URI"
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  (let* ((p (dummy-package "foo"))
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         (s (search-path %load-path "guix.scm"))
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         (f (string-append "foo=" s))
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         (t (options->transformation `((with-source . ,f)))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (string=? (package-name new) (package-name p))
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             (string=? (package-version new)
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                       (package-version p))
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             (string=? (package-source new)
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                       (add-to-store store (basename s) #t
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                                     "sha256" s)))))))
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(test-assert "options->transformation, with-source, PKG@VER=URI"
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  (let* ((p (dummy-package "foo"))
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         (s (search-path %load-path "guix.scm"))
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         (f (string-append "foo@42.0=" s))
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         (t (options->transformation `((with-source . ,f)))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (string=? (package-name new) (package-name p))
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             (string=? (package-version new) "42.0")
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             (string=? (package-source new)
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                       (add-to-store store (basename s) #t
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                                     "sha256" s)))))))
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(test-assert "options->transformation, with-input"
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  (let* ((p (dummy-package "guix.scm"
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              (inputs `(("foo" ,(specification->package "coreutils"))
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                        ("bar" ,(specification->package "grep"))
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                        ("baz" ,(dummy-package "chbouib"
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                                  (native-inputs `(("x" ,grep)))))))))
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         (t (options->transformation '((with-input . "coreutils=busybox")
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                                       (with-input . "grep=findutils")))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (match (package-inputs new)
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               ((("foo" dep1) ("bar" dep2) ("baz" dep3))
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                (and (string=? (package-full-name dep1)
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                               (package-full-name busybox))
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                     (string=? (package-full-name dep2)
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                               (package-full-name findutils))
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                     (string=? (package-name dep3) "chbouib")
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                     (match (package-native-inputs dep3)
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                       ((("x" dep))
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                        (string=? (package-full-name dep)
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                                  (package-full-name findutils))))))))))))
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(test-assert "options->transformation, with-graft"
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  (let* ((p (dummy-package "guix.scm"
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              (inputs `(("foo" ,grep)
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                        ("bar" ,(dummy-package "chbouib"
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                                  (native-inputs `(("x" ,grep)))))))))
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         (t (options->transformation '((with-graft . "grep=findutils")))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (match (package-inputs new)
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               ((("foo" dep1) ("bar" dep2))
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                (and (string=? (package-full-name dep1)
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                               (package-full-name grep))
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                     (string=? (package-full-name (package-replacement dep1))
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                               (package-full-name findutils))
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                     (string=? (package-name dep2) "chbouib")
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                     (match (package-native-inputs dep2)
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                       ((("x" dep))
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                        (with-store store
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                          (string=? (derivation-file-name
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                                     (package-derivation store findutils))
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                                    (derivation-file-name
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                                     (package-derivation store dep))))))))))))))
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(test-equal "options->transformation, with-branch"
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  (git-checkout (url "https://example.org")
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                (branch "devel")
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                (recursive? #t))
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  (let* ((p (dummy-package "guix.scm"
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              (inputs `(("foo" ,grep)
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                        ("bar" ,(dummy-package "chbouib"
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                                  (source (origin
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                                            (method git-fetch)
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                                            (uri (git-reference
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                                                  (url "https://example.org")
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                                                  (commit "cabba9e")))
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                                            (sha256 #f)))))))))
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         (t (options->transformation '((with-branch . "chbouib=devel")))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (match (package-inputs new)
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               ((("foo" dep1) ("bar" dep2))
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                (and (string=? (package-full-name dep1)
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                               (package-full-name grep))
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                     (string=? (package-name dep2) "chbouib")
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                     (package-source dep2)))))))))
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(test-equal "options->transformation, with-commit"
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  (git-checkout (url "https://example.org")
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                (commit "abcdef")
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                (recursive? #t))
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  (let* ((p (dummy-package "guix.scm"
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              (inputs `(("foo" ,grep)
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                        ("bar" ,(dummy-package "chbouib"
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                                  (source (origin
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                                            (method git-fetch)
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                                            (uri (git-reference
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                                                  (url "https://example.org")
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                                                  (commit "cabba9e")))
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                                            (sha256 #f)))))))))
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         (t (options->transformation '((with-commit . "chbouib=abcdef")))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (match (package-inputs new)
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               ((("foo" dep1) ("bar" dep2))
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                (and (string=? (package-full-name dep1)
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                               (package-full-name grep))
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                     (string=? (package-name dep2) "chbouib")
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                     (package-source dep2)))))))))
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(test-equal "options->transformation, with-git-url"
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  (let ((source (git-checkout (url "https://example.org")
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                              (recursive? #t))))
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    (list source source))
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  (let* ((p (dummy-package "guix.scm"
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              (inputs `(("foo" ,grep)
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                        ("bar" ,(dummy-package "chbouib"
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                                  (native-inputs `(("x" ,grep)))))))))
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         (t (options->transformation '((with-git-url . "grep=https://example.org")))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (match (package-inputs new)
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               ((("foo" dep1) ("bar" dep2))
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                (and (string=? (package-full-name dep1)
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                               (package-full-name grep))
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                     (string=? (package-name dep2) "chbouib")
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                     (match (package-native-inputs dep2)
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                       ((("x" dep3))
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                        (map package-source (list dep1 dep3))))))))))))
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(test-equal "options->transformation, with-git-url + with-branch"
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  ;; Combine the two options and make sure the 'with-branch' transformation
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  ;; comes after the 'with-git-url' transformation.
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  (let ((source (git-checkout (url "https://example.org")
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                              (branch "BRANCH")
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                              (recursive? #t))))
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    (list source source))
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  (let* ((p (dummy-package "guix.scm"
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              (inputs `(("foo" ,grep)
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                        ("bar" ,(dummy-package "chbouib"
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                                  (native-inputs `(("x" ,grep)))))))))
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         (t (options->transformation
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             (reverse '((with-git-url
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                         . "grep=https://example.org")
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                        (with-branch . "grep=BRANCH"))))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (not (eq? new p))
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             (match (package-inputs new)
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               ((("foo" dep1) ("bar" dep2))
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                (and (string=? (package-name dep1) "grep")
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                     (string=? (package-name dep2) "chbouib")
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                     (match (package-native-inputs dep2)
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                       ((("x" dep3))
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                        (map package-source (list dep1 dep3))))))))))))
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(define* (depends-on-toolchain? p #:optional (toolchain "gcc-toolchain"))
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  "Return true if P depends on TOOLCHAIN instead of the default tool chain."
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  (define toolchain-packages
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    '("gcc" "binutils" "glibc" "ld-wrapper"))
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  (define (package-name* obj)
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    (and (package? obj) (package-name obj)))
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  (match (bag-build-inputs (package->bag p))
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    (((_ (= package-name* packages) . _) ...)
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     (and (not (any (cut member <> packages) toolchain-packages))
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          (member toolchain packages)))))
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(test-assert "options->transformation, with-c-toolchain"
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  (let* ((dep0 (dummy-package "chbouib"
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                 (build-system gnu-build-system)
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                 (native-inputs `(("y" ,grep)))))
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         (dep1 (dummy-package "stuff"
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                 (native-inputs `(("x" ,dep0)))))
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         (p    (dummy-package "thingie"
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                 (build-system gnu-build-system)
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                 (inputs `(("foo" ,grep)
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                           ("bar" ,dep1)))))
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         (t    (options->transformation
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                '((with-c-toolchain . "chbouib=gcc-toolchain")))))
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    ;; Here we check that the transformation applies to DEP0 and all its
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    ;; dependents: DEP0 must use GCC-TOOLCHAIN, DEP1 must use GCC-TOOLCHAIN
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    ;; and the DEP0 that uses GCC-TOOLCHAIN, and so on.
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    (with-store store
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      (let ((new (t store p)))
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        (and (depends-on-toolchain? new "gcc-toolchain")
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             (match (bag-build-inputs (package->bag new))
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               ((("foo" dep0) ("bar" dep1) _ ...)
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                (and (depends-on-toolchain? dep1 "gcc-toolchain")
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                     (not (depends-on-toolchain? dep0 "gcc-toolchain"))
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                     (string=? (package-full-name dep0)
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                               (package-full-name grep))
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                     (match (bag-build-inputs (package->bag dep1))
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                       ((("x" dep) _ ...)
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                        (and (depends-on-toolchain? dep "gcc-toolchain")
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                             (match (bag-build-inputs (package->bag dep))
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                               ((("y" dep) _ ...) ;this one is unchanged
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                                (eq? dep grep))))))))))))))
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(test-equal "options->transformation, with-c-toolchain twice"
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  (package-full-name grep)
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  (let* ((dep0 (dummy-package "chbouib"))
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         (dep1 (dummy-package "stuff"))
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         (p    (dummy-package "thingie"
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                 (build-system gnu-build-system)
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                 (inputs `(("foo" ,dep0)
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                           ("bar" ,dep1)
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                           ("baz" ,grep)))))
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         (t    (options->transformation
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                '((with-c-toolchain . "chbouib=clang-toolchain")
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                  (with-c-toolchain . "stuff=clang-toolchain")))))
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    (with-store store
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      (let ((new (t store p)))
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        (and (depends-on-toolchain? new "clang-toolchain")
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             (match (bag-build-inputs (package->bag new))
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               ((("foo" dep0) ("bar" dep1) ("baz" dep2) _ ...)
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                (and (depends-on-toolchain? dep0 "clang-toolchain")
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                     (depends-on-toolchain? dep1 "clang-toolchain")
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                     (not (depends-on-toolchain? dep2 "clang-toolchain"))
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                     (package-full-name dep2)))))))))
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(test-assert "options->transformation, with-c-toolchain, no effect"
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  (let ((p (dummy-package "thingie"))
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        (t (options->transformation
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            '((with-c-toolchain . "does-not-exist=gcc-toolchain")))))
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    ;; When it has no effect, '--with-c-toolchain' returns P.
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    (with-store store
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      (eq? (t store p) p))))
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(test-assert "options->transformation, without-tests"
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  (let* ((dep (dummy-package "dep"))
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         (p   (dummy-package "foo"
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                (inputs `(("dep" ,dep)))))
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         (t   (options->transformation '((without-tests . "dep")
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                                         (without-tests . "tar")))))
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    (with-store store
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      (let ((new (t store p)))
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						||
        (match (bag-direct-inputs (package->bag new))
 | 
						||
          ((("dep" dep) ("tar" tar) _ ...)
 | 
						||
           ;; TODO: Check whether TAR has #:tests? #f when transformations
 | 
						||
           ;; apply to implicit inputs.
 | 
						||
           (equal? (package-arguments dep)
 | 
						||
                   '(#:tests? #f))))))))
 | 
						||
 | 
						||
(test-end)
 | 
						||
 | 
						||
;;; Local Variables:
 | 
						||
;;; eval: (put 'dummy-package 'scheme-indent-function 1)
 | 
						||
;;; End:
 |