9719e8d37a
Suggested by Ricardo Wurmus <rekado@elephly.net>.
* guix/channels.scm (<channel-news-entry>)[tag]: New field.
(sexp->channel-news-entry): Accept either 'commit' or 'tag' in 'entry'
forms.
(resolve-channel-news-entry-tag): New procedure.
(channel-news-for-commit): Move 'with-repository' form one level
higher. Call 'resolve-channel-news-entry-tag' on all the news entries.
* guix/tests/git.scm (populate-git-repository): Add clause for 'tag'.
* tests/channels.scm ("channel-news, one entry"): Create a tag and add
an entry with a tag. Check that the tag is resolved and also visible in
the <channel-news-entry> record.
* doc/guix.texi (Channels): Mention tags in news entries.
354 lines
14 KiB
Scheme
354 lines
14 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
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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-channels)
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#:use-module (guix channels)
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#:use-module (guix profiles)
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#:use-module ((guix build syscalls) #:select (mkdtemp!))
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#:use-module (guix tests)
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#:use-module (guix store)
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#:use-module ((guix grafts) #:select (%graft?))
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#:use-module (guix derivations)
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#:use-module (guix sets)
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#:use-module (guix gexp)
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#:use-module ((guix utils)
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#:select (error-location? error-location location-line))
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#:use-module ((guix build utils) #:select (which))
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#:use-module (git)
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#:use-module (guix git)
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#:use-module (guix tests git)
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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-34)
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#:use-module (srfi srfi-35)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 match))
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(test-begin "channels")
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(define* (make-instance #:key
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(name 'fake)
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(commit "cafebabe")
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(spec #f))
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(define instance-dir (mkdtemp! "/tmp/checkout.XXXXXX"))
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(when spec
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(call-with-output-file (string-append instance-dir "/.guix-channel")
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(lambda (port) (write spec port))))
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(checkout->channel-instance instance-dir
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#:commit commit
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#:name name))
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(define instance--boring (make-instance))
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(define instance--unsupported-version
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(make-instance #:spec
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'(channel (version 42) (dependencies whatever))))
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(define instance--no-deps
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(make-instance #:spec
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'(channel (version 0))))
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(define instance--sub-directory
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(make-instance #:spec
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'(channel (version 0) (directory "modules"))))
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(define instance--simple
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(make-instance #:spec
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'(channel
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(version 0)
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(dependencies
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(channel
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(name test-channel)
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(url "https://example.com/test-channel"))))))
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(define instance--with-dupes
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(make-instance #:spec
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'(channel
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(version 0)
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(dependencies
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(channel
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(name test-channel)
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(url "https://example.com/test-channel"))
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(channel
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(name test-channel)
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(url "https://example.com/test-channel")
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(commit "abc1234"))
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(channel
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(name test-channel)
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(url "https://example.com/test-channel-elsewhere"))))))
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(define channel-instance-metadata
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(@@ (guix channels) channel-instance-metadata))
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(define channel-metadata-directory
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(@@ (guix channels) channel-metadata-directory))
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(define channel-metadata-dependencies
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(@@ (guix channels) channel-metadata-dependencies))
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(test-equal "channel-instance-metadata returns default if .guix-channel does not exist"
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'("/" ())
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(let ((metadata (channel-instance-metadata instance--boring)))
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(list (channel-metadata-directory metadata)
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(channel-metadata-dependencies metadata))))
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(test-equal "channel-instance-metadata and default dependencies"
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'()
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(channel-metadata-dependencies (channel-instance-metadata instance--no-deps)))
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(test-equal "channel-instance-metadata and directory"
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"/modules"
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(channel-metadata-directory
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(channel-instance-metadata instance--sub-directory)))
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(test-equal "channel-instance-metadata rejects unsupported version"
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1 ;line number in the generated '.guix-channel'
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(guard (c ((and (message-condition? c) (error-location? c))
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(location-line (error-location c))))
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(channel-instance-metadata instance--unsupported-version)))
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(test-assert "channel-instance-metadata returns <channel-metadata>"
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(every (@@ (guix channels) channel-metadata?)
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(map channel-instance-metadata
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(list instance--no-deps
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instance--simple
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instance--with-dupes))))
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(test-assert "channel-instance-metadata dependencies are channels"
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(let ((deps ((@@ (guix channels) channel-metadata-dependencies)
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(channel-instance-metadata instance--simple))))
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(match deps
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(((? channel? dep)) #t)
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(_ #f))))
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(test-assert "latest-channel-instances includes channel dependencies"
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(let* ((channel (channel
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(name 'test)
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(url "test")))
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(test-dir (channel-instance-checkout instance--simple)))
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(mock ((guix git) latest-repository-commit
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(lambda* (store url #:key ref)
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(match url
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("test" (values test-dir 'whatever))
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(_ (values "/not-important" 'not-important)))))
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(let ((instances (latest-channel-instances #f (list channel))))
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(and (eq? 2 (length instances))
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(lset= eq?
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'(test test-channel)
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(map (compose channel-name channel-instance-channel)
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instances)))))))
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(test-assert "latest-channel-instances excludes duplicate channel dependencies"
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(let* ((channel (channel
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(name 'test)
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(url "test")))
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(test-dir (channel-instance-checkout instance--with-dupes)))
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(mock ((guix git) latest-repository-commit
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(lambda* (store url #:key ref)
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(match url
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("test" (values test-dir 'whatever))
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(_ (values "/not-important" 'not-important)))))
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(let ((instances (latest-channel-instances #f (list channel))))
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(and (= 2 (length instances))
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(lset= eq?
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'(test test-channel)
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(map (compose channel-name channel-instance-channel)
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instances))
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;; only the most specific channel dependency should remain,
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;; i.e. the one with a specified commit.
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(find (lambda (instance)
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(and (eq? (channel-name
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(channel-instance-channel instance))
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'test-channel)
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(string=? (channel-commit
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(channel-instance-channel instance))
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"abc1234")))
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instances))))))
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(test-assert "channel-instances->manifest"
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;; Compute the manifest for a graph of instances and make sure we get a
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;; derivation graph that mirrors the instance graph. This test also ensures
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;; we don't try to access Git repositores at all at this stage.
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(let* ((spec (lambda deps
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`(channel (version 0)
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(dependencies
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,@(map (lambda (dep)
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`(channel
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(name ,dep)
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(url "http://example.org")))
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deps)))))
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(guix (make-instance #:name 'guix))
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(instance0 (make-instance #:name 'a))
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(instance1 (make-instance #:name 'b #:spec (spec 'a)))
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(instance2 (make-instance #:name 'c #:spec (spec 'b)))
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(instance3 (make-instance #:name 'd #:spec (spec 'c 'a))))
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(%graft? #f) ;don't try to build stuff
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;; Create 'build-self.scm' so that GUIX is recognized as the 'guix' channel.
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(let ((source (channel-instance-checkout guix)))
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(mkdir (string-append source "/build-aux"))
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(call-with-output-file (string-append source
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"/build-aux/build-self.scm")
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(lambda (port)
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(write '(begin
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(use-modules (guix) (gnu packages bootstrap))
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(lambda _
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(package->derivation %bootstrap-guile)))
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port))))
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(with-store store
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(let ()
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(define manifest
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(run-with-store store
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(channel-instances->manifest (list guix
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instance0 instance1
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instance2 instance3))))
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(define entries
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(manifest-entries manifest))
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(define (depends? drv in out)
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;; Return true if DRV depends (directly or indirectly) on all of IN
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;; and none of OUT.
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(let ((set (list->set
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(requisites store
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(list (derivation-file-name drv)))))
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(in (map derivation-file-name in))
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(out (map derivation-file-name out)))
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(and (every (cut set-contains? set <>) in)
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(not (any (cut set-contains? set <>) out)))))
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(define (lookup name)
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(run-with-store store
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(lower-object
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(manifest-entry-item
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(manifest-lookup manifest
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(manifest-pattern (name name)))))))
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(let ((drv-guix (lookup "guix"))
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(drv0 (lookup "a"))
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(drv1 (lookup "b"))
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(drv2 (lookup "c"))
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(drv3 (lookup "d")))
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(and (depends? drv-guix '() (list drv0 drv1 drv2 drv3))
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(depends? drv0
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(list) (list drv1 drv2 drv3))
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(depends? drv1
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(list drv0) (list drv2 drv3))
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(depends? drv2
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(list drv1) (list drv3))
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(depends? drv3
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(list drv2 drv0) (list))))))))
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(unless (which (git-command)) (test-skip 1))
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(test-equal "channel-news, no news"
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'()
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(with-temporary-git-repository directory
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'((add "a.txt" "A")
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(commit "the commit"))
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(with-repository directory repository
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(let ((channel (channel (url (string-append "file://" directory))
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(name 'foo)))
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(latest (reference-name->oid repository "HEAD")))
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(channel-news-for-commit channel (oid->string latest))))))
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(unless (which (git-command)) (test-skip 1))
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(test-assert "channel-news, one entry"
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(with-temporary-git-repository directory
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`((add ".guix-channel"
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,(object->string
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'(channel (version 0)
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(news-file "news.scm"))))
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(commit "first commit")
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(add "src/a.txt" "A")
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(commit "second commit")
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(tag "tag-for-first-news-entry")
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(add "news.scm"
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,(lambda (repository)
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(let ((previous
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(reference-name->oid repository "HEAD")))
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(object->string
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`(channel-news
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(version 0)
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(entry (commit ,(oid->string previous))
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(title (en "New file!")
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(eo "Nova dosiero!"))
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(body (en "Yeah, a.txt."))))))))
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(commit "third commit")
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(add "src/b.txt" "B")
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(commit "fourth commit")
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(add "news.scm"
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,(lambda (repository)
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(let ((second
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(commit-id
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(find-commit repository "second commit")))
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(previous
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(reference-name->oid repository "HEAD")))
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(object->string
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`(channel-news
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(version 0)
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(entry (commit ,(oid->string previous))
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(title (en "Another file!"))
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(body (en "Yeah, b.txt.")))
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(entry (tag "tag-for-first-news-entry")
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(title (en "Old news.")
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(eo "Malnovaĵoj."))
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(body (en "For a.txt"))))))))
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(commit "fifth commit"))
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(with-repository directory repository
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(define (find-commit* message)
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(oid->string (commit-id (find-commit repository message))))
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(let ((channel (channel (url (string-append "file://" directory))
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(name 'foo)))
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(commit1 (find-commit* "first commit"))
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(commit2 (find-commit* "second commit"))
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(commit3 (find-commit* "third commit"))
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(commit4 (find-commit* "fourth commit"))
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(commit5 (find-commit* "fifth commit")))
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;; First try fetching all the news up to a given commit.
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(and (null? (channel-news-for-commit channel commit2))
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(lset= string=?
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(map channel-news-entry-commit
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(channel-news-for-commit channel commit5))
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(list commit2 commit4))
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(lset= equal?
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(map channel-news-entry-title
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(channel-news-for-commit channel commit5))
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'((("en" . "Another file!"))
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(("en" . "Old news.") ("eo" . "Malnovaĵoj."))))
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(lset= string=?
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(map channel-news-entry-commit
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(channel-news-for-commit channel commit3))
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(list commit2))
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;; Now fetch news entries that apply to a commit range.
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(lset= string=?
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(map channel-news-entry-commit
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(channel-news-for-commit channel commit3 commit1))
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(list commit2))
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(lset= string=?
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(map channel-news-entry-commit
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(channel-news-for-commit channel commit5 commit3))
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(list commit4))
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(lset= string=?
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(map channel-news-entry-commit
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(channel-news-for-commit channel commit5 commit1))
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(list commit4 commit2))
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(lset= equal?
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(map channel-news-entry-tag
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(channel-news-for-commit channel commit5 commit1))
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'(#f "tag-for-first-news-entry")))))))
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(test-end "channels")
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