* gnu/ci.scm (channel-build-system, channel-source->package): Remove. * gnu/packages/package-management.scm (channel-source->package): New procedure, moved from (gnu ci). * guix/build-system/channel.scm: New file, with code moved from (gnu ci). * doc/guix.texi (Build Systems): Document it.
		
			
				
	
	
		
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			Scheme
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016, 2018-2020, 2022 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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(use-modules (gnu tests)
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             (gnu packages package-management)
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             (guix monads)
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             (guix store)
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             ((guix git-download) #:select (git-predicate))
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             ((guix utils) #:select (current-source-directory))
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             (git)
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             (ice-9 match))
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(define (source-commit directory)
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  "Return the commit of the head of DIRECTORY or #f if it could not be
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determined."
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  (let ((repository #f))
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    (catch 'git-error
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      (lambda ()
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        (set! repository (repository-open directory))
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        (let* ((head   (repository-head repository))
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               (target (reference-target head))
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               (commit (oid->string target)))
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          (repository-close! repository)
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          commit))
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      (lambda _
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        (when repository
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          (repository-close! repository))
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        #f))))
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(define (tests-for-current-guix source commit)
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  "Return a list of tests for perform, using Guix built from SOURCE, a channel
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instance."
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  ;; Honor the 'TESTS' environment variable so that one can select a subset
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  ;; of tests to run in the usual way:
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  ;;
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  ;;   make check-system TESTS=installed-os
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  (let ((guix (channel-source->package source #:commit commit)))
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    (map (lambda (test)
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           (system-test
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            (inherit test)
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            (value (mparameterize %store-monad ((current-guix-package guix))
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                     (system-test-value test)))))
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         (match (getenv "TESTS")
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           (#f
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            (all-system-tests))
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           ((= string-tokenize (tests ...))
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            (filter (lambda (test)
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                      (member (system-test-name test) tests))
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                    (all-system-tests)))))))
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(define (system-test->manifest-entry test)
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  "Return a manifest entry for TEST, a system test."
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  (manifest-entry
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    (name (string-append "test." (system-test-name test)))
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    (version "0")
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    (item test)))
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(define (system-test-manifest)
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  "Return a manifest containing all the system tests, or all those selected by
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the 'TESTS' environment variable."
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  (define source
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    (string-append (current-source-directory) "/.."))
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  (define commit
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    ;; Fetch the current commit ID so we can potentially build the same
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    ;; derivation as ci.guix.gnu.org.
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    (source-commit source))
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  ;; Intern SOURCE so that 'build-from-source' in (guix channels) sees
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  ;; "fresh" file names and thus doesn't find itself loading .go files
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  ;; from ~/.cache/guile when it loads 'build-aux/build-self.scm'.
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  (let* ((source (local-file source
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                             (if commit
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                                 (string-append "guix-"
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                                                (string-take commit 7))
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                                 "guix-source")
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                             #:recursive? #t
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                             #:select?
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                             (or (git-predicate source)
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                                 (const #t))))
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         (tests  (tests-for-current-guix source commit)))
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    (format (current-error-port) "Selected ~a system tests...~%"
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            (length tests))
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    (manifest (map system-test->manifest-entry tests))))
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;; Return the manifest.
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(system-test-manifest)
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