98 lines
3.8 KiB
Scheme
98 lines
3.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2023 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 (guix import test)
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#:use-module (srfi srfi-1)
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#:use-module (guix packages)
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#:use-module (guix upstream)
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#:use-module ((guix utils) #:select (version-prefix?))
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#:use-module (ice-9 vlist)
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#:use-module (ice-9 match)
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#:export (%test-updater))
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;;; Commentary:
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;;;
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;;; This module defines a pseudo updater whose sole purpose is to allow
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;;; testing of the whole 'guix refresh' command.
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;;;
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;;; Code:
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(define test-target-version
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;; VHash that maps package names to version/URL tuples.
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(make-parameter
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(or (and=> (getenv "GUIX_TEST_UPDATER_TARGETS")
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(lambda (str)
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(alist->vhash (call-with-input-string str read))))
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vlist-null)))
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(define (available-updates package)
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"Return the list of available <upstream-source> records for PACKAGE."
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(vhash-fold* (lambda (version+updates result)
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(match version+updates
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((version (updates ...))
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(if (version-prefix? version
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(package-version package))
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(append (map (match-lambda
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((version url)
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(upstream-source
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(package (package-name package))
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(version version)
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(urls (list url))))
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((version url (inputs ...))
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(upstream-source
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(package (package-name package))
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(version version)
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(urls (list url))
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(inputs
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(map (lambda (name)
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(upstream-input
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(name name)
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(downstream-name name)))
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inputs)))))
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updates)
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result)
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result))))
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'()
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(package-name package)
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(test-target-version)))
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(define (test-package? package)
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"Return true if PACKAGE has pseudo updates available."
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(and (not (vlist-null? (test-target-version))) ;cheap test
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(pair? (available-updates package))))
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(define* (import-release package #:key (version #f))
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"Return the <upstream-source> record denoting either the latest version of
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PACKAGE or VERSION."
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(match (available-updates package)
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(() #f)
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((sources ...)
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(if version
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(find (lambda (source)
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(string=? (upstream-source-version source)
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version))
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sources)
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(first sources)))))
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(define %test-updater
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(upstream-updater
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(name 'test)
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(description "Pseudo updater for testing purposes.")
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(pred test-package?)
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(import import-release)))
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