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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2018, 2019, 2020 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/>.
(use-modules (gnu tests)
(gnu packages package-management)
((gnu ci) #:select (channel-source->package))
((guix git-download) #:select (git-predicate))
((guix utils) #:select (current-source-directory))
(git)
(ice-9 match))
(define (source-commit directory)
"Return the commit of the head of DIRECTORY or #f if it could not be
determined."
(let ((repository #f))
(catch 'git-error
(lambda ()
(set! repository (repository-open directory))
(let* ((head (repository-head repository))
(target (reference-target head))
(commit (oid->string target)))
(repository-close! repository)
commit))
(lambda _
(when repository
(repository-close! repository))
#f))))
(define (tests-for-current-guix source commit)
"Return a list of tests for perform, using Guix built from SOURCE, a channel
instance."
;; Honor the 'TESTS' environment variable so that one can select a subset
;; of tests to run in the usual way:
;;
;; make check-system TESTS=installed-os
(parameterize ((current-guix-package
(channel-source->package source #:commit commit)))
(match (getenv "TESTS")
(#f
(all-system-tests))
((= string-tokenize (tests ...))
(filter (lambda (test)
(member (system-test-name test) tests))
(all-system-tests))))))
(define (system-test->manifest-entry test)
"Return a manifest entry for TEST, a system test."
(manifest-entry
(name (string-append "test." (system-test-name test)))
(version "0")
(item test)))
(define (system-test-manifest)
"Return a manifest containing all the system tests, or all those selected by
the 'TESTS' environment variable."
(define source
(string-append (current-source-directory) "/.."))
(define commit
;; Fetch the current commit ID so we can potentially build the same
;; derivation as ci.guix.gnu.org.
(source-commit source))
;; Intern SOURCE so that 'build-from-source' in (guix channels) sees
;; "fresh" file names and thus doesn't find itself loading .go files
;; from ~/.cache/guile when it loads 'build-aux/build-self.scm'.
(let* ((source (local-file source
(if commit
(string-append "guix-"
(string-take commit 7))
"guix-source")
#:recursive? #t
#:select?
(or (git-predicate source)
(const #t))))
(tests (tests-for-current-guix source commit)))
(format (current-error-port) "Selected ~a system tests...~%"
(length tests))
(manifest (map system-test->manifest-entry tests))))
;; Return the manifest.
(system-test-manifest)
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