e40aa54e98
* guix/build/union.scm (warn-about-collision): New procedure.
(union-build): Add #:resolve-collision.
[resolve-collisions]: Call it.
* tests/union.scm ("union-build collision first & last"): New test.
188 lines
8.6 KiB
Scheme
188 lines
8.6 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2015, 2017, 2018 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-union)
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#:use-module (guix tests)
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#:use-module (guix store)
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#:use-module (guix utils)
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#:use-module (guix derivations)
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#:use-module (guix packages)
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#:use-module (guix build union)
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#:use-module ((guix build utils)
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#:select (with-directory-excursion directory-exists?))
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#:use-module (gnu packages bootstrap)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-64)
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#:use-module (rnrs io ports)
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#:use-module (ice-9 match))
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;; Exercise the (guix build union) module.
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(define %store
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(open-connection-for-tests))
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(test-begin "union")
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(test-assert "union-build with symlink to directory"
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;; http://bugs.gnu.org/17083
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;; Here both ONE and TWO provide an element called 'foo', but in ONE it's a
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;; directory whereas in TWO it's a symlink to a directory.
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(let* ((one (build-expression->derivation
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%store "one"
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'(begin
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(use-modules (guix build utils) (srfi srfi-26))
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(let ((foo (string-append %output "/foo")))
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(mkdir-p foo)
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(call-with-output-file (string-append foo "/one")
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(cut display "one" <>))))
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#:modules '((guix build utils))))
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(two (build-expression->derivation
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%store "two"
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'(begin
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(use-modules (guix build utils) (srfi srfi-26))
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(let ((foo (string-append %output "/foo"))
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(bar (string-append %output "/bar")))
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(mkdir-p bar)
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(call-with-output-file (string-append bar "/two")
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(cut display "two" <>))
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(symlink "bar" foo)))
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#:modules '((guix build utils))))
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(builder '(begin
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(use-modules (guix build union))
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(union-build (assoc-ref %outputs "out")
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(list (assoc-ref %build-inputs "one")
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(assoc-ref %build-inputs "two")))))
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(drv
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(build-expression->derivation %store "union-collision-symlink"
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builder
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#:inputs `(("one" ,one) ("two" ,two))
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#:modules '((guix build union)))))
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(and (build-derivations %store (list drv))
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(with-directory-excursion (pk (derivation->output-path drv))
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(and (string=? "one"
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(call-with-input-file "foo/one" get-string-all))
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(string=? "two"
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(call-with-input-file "foo/two" get-string-all))
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(string=? "two"
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(call-with-input-file "bar/two" get-string-all))
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(not (file-exists? "bar/one")))))))
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(test-skip (if (and %store (network-reachable?))
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0
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1))
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(test-assert "union-build"
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(let* ((inputs (map (match-lambda
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((name package)
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`(,name ,(package-derivation %store package))))
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;; Purposefully leave duplicate entries.
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(append %bootstrap-inputs
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(take %bootstrap-inputs 3))))
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(builder `(begin
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(use-modules (guix build union))
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(union-build (assoc-ref %outputs "out")
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(map cdr %build-inputs))))
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(drv
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(build-expression->derivation %store "union-test"
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builder
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#:inputs inputs
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#:modules '((guix build union)))))
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(and (build-derivations %store (list (pk 'drv drv)))
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(with-directory-excursion (derivation->output-path drv)
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(and (file-exists? "bin/touch")
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(file-exists? "bin/gcc")
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(file-exists? "bin/ld")
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(file-exists? "lib/libc.so")
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(directory-exists? "lib/gcc")
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(file-exists? "include/unistd.h")
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;; The 'include/c++' sub-directory is only found in
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;; gcc-bootstrap, so it should be unified in a
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;; straightforward way, without traversing it.
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(eq? 'symlink (stat:type (lstat "include/c++")))
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;; Conversely, several inputs have a 'bin' sub-directory, so
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;; unifying it requires traversing them all, and creating a
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;; new 'bin' sub-directory in the profile.
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(eq? 'directory (stat:type (lstat "bin"))))))))
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(test-assert "union-build collision first & last"
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(let* ((guile (package-derivation %store %bootstrap-guile))
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(fake (build-expression->derivation
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%store "fake-guile"
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'(begin
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(use-modules (guix build utils))
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(let ((out (assoc-ref %outputs "out")))
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(mkdir-p (string-append out "/bin"))
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(call-with-output-file (string-append out "/bin/guile")
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(const #t))))
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#:modules '((guix build utils))))
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(builder (lambda (policy)
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`(begin
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(use-modules (guix build union)
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(srfi srfi-1))
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(union-build (assoc-ref %outputs "out")
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(map cdr %build-inputs)
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#:resolve-collision ,policy))))
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(drv1
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(build-expression->derivation %store "union-first"
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(builder 'first)
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#:inputs `(("guile" ,guile)
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("fake" ,fake))
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#:modules '((guix build union))))
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(drv2
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(build-expression->derivation %store "union-last"
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(builder 'last)
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#:inputs `(("guile" ,guile)
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("fake" ,fake))
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#:modules '((guix build union)))))
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(and (build-derivations %store (list drv1 drv2))
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(with-directory-excursion (derivation->output-path drv1)
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(string=? (readlink "bin/guile")
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(string-append (derivation->output-path guile)
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"/bin/guile")))
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(with-directory-excursion (derivation->output-path drv2)
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(string=? (readlink "bin/guile")
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(string-append (derivation->output-path fake)
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"/bin/guile"))))))
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(test-assert "union-build #:create-all-directories? #t"
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(let* ((build `(begin
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(use-modules (guix build union))
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(union-build (assoc-ref %outputs "out")
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(map cdr %build-inputs)
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#:create-all-directories? #t)))
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(input (package-derivation %store %bootstrap-guile))
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(drv (build-expression->derivation %store "union-test-all-dirs"
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build
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#:modules '((guix build union))
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#:inputs `(("g" ,input)))))
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(and (build-derivations %store (list drv))
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(with-directory-excursion (derivation->output-path drv)
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;; Even though there's only one input to the union,
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;; #:create-all-directories? #t must have created bin/ rather than
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;; making it a symlink to Guile's bin/.
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(and (file-exists? "bin/guile")
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(file-is-directory? "bin")
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(eq? 'symlink (stat:type (lstat "bin/guile"))))))))
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(test-end)
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