adf95a810d
* guix/import/cpan.scm (latest-release): Use 'raise' instead of 'error'. * guix/import/elpa.scm (latest-release): Likewise. * guix/import/hackage.scm (latest-release): Likewise. * guix/import/minetest.scm (latest-minetest-release): Likewise. * guix/import/opam.scm (latest-release): Likewise. * guix/import/stackage.scm (latest-lts-release): Likewise.
520 lines
21 KiB
Scheme
520 lines
21 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021, 2022 Maxime Devos <maximedevos@telenet.be>
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;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
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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 minetest)
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#:use-module (ice-9 match)
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#:use-module (ice-9 threads)
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#:use-module (ice-9 hash-table)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-34)
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#:use-module (guix diagnostics)
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#:use-module ((guix packages) #:prefix package:)
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#:use-module (guix upstream)
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#:use-module (guix i18n)
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#:use-module (guix memoization)
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#:use-module (guix serialization)
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#:use-module (guix import utils)
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#:use-module (guix import json)
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#:use-module (json)
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#:use-module (guix base32)
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#:use-module (guix git)
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#:use-module ((guix git-download) #:prefix download:)
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#:use-module (guix hash)
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#:use-module (guix store)
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#:export (%default-sort-key
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%contentdb-api
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json->package
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contentdb-fetch
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elaborate-contentdb-name
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minetest-package?
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latest-minetest-release
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minetest->guix-package
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minetest-recursive-import
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sort-packages
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%minetest-updater))
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;; The ContentDB API is documented at
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;; <https://content.minetest.net>.
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(define %contentdb-api
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(make-parameter "https://content.minetest.net/api/"))
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(define (string-or-false x)
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(and (string? x) x))
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(define (natural-or-false x)
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(and (exact-integer? x) (>= x 0) x))
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;; Descriptions on ContentDB use carriage returns, but Guix doesn't.
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(define (delete-cr text)
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(string-delete #\cr text))
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;;;
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;;; JSON mappings
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;;;
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;; Minetest package.
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;;
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;; API endpoint: /packages/AUTHOR/NAME/
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(define-json-mapping <package> make-package package?
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json->package
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(author package-author) ; string
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(creation-date package-creation-date ; string
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"created_at")
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(downloads package-downloads) ; integer
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(forums package-forums "forums" natural-or-false)
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(issue-tracker package-issue-tracker "issue_tracker") ; string
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(license package-license) ; string
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(long-description package-long-description "long_description") ; string
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(maintainers package-maintainers ; list of strings
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"maintainers" vector->list)
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(media-license package-media-license "media_license") ; string
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(name package-name) ; string
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(provides package-provides ; list of strings
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"provides" vector->list)
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(release package-release) ; integer
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(repository package-repository "repo" string-or-false)
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(score package-score) ; flonum
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(screenshots package-screenshots "screenshots" vector->list) ; list of strings
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(short-description package-short-description "short_description") ; string
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(state package-state) ; string
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(tags package-tags "tags" vector->list) ; list of strings
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(thumbnail package-thumbnail) ; string
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(title package-title) ; string
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(type package-type) ; string
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(url package-url) ; string
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(website package-website "website" string-or-false))
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(define-json-mapping <release> make-release release?
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json->release
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;; If present, a git commit identified by its hash
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(commit release-commit "commit" string-or-false)
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(downloads release-downloads) ; integer
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(id release-id) ; integer
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(max-minetest-version release-max-minetest-version string-or-false)
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(min-minetest-version release-min-minetest-version string-or-false)
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(release-date release-data) ; string
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(title release-title) ; string
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(url release-url)) ; string
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(define-json-mapping <dependency> make-dependency dependency?
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json->dependency
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(optional? dependency-optional? "is_optional") ; bool
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(name dependency-name) ; string
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(packages dependency-packages "packages" vector->list)) ; list of strings
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;; A structure returned by the /api/packages/?fmt=keys endpoint
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(define-json-mapping <package-keys> make-package-keys package-keys?
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json->package-keys
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(author package-keys-author) ; string
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(name package-keys-name) ; string
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(type package-keys-type)) ; string
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(define (package-mod? package)
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"Is the ContentDB package PACKAGE a mod?"
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;; ContentDB also has ‘games’ and ‘texture packs’.
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(string=? (package-type package) "mod"))
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;;;
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;;; Manipulating names of packages
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;;;
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;;; There are three kind of names:
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;;;
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;;; * names of guix packages, e.g. minetest-basic-materials.
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;;; * names of mods on ContentDB, e.g. basic_materials
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;;; * a combination of author and mod name on ContentDB, e.g. VanessaE/basic_materials
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;;;
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(define (%construct-full-name author name)
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(string-append author "/" name))
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(define (package-full-name package)
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"Given a <package> object, return the corresponding AUTHOR/NAME string."
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(%construct-full-name (package-author package) (package-name package)))
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(define (package-keys-full-name package)
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"Given a <package-keys> object, return the corresponding AUTHOR/NAME string."
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(%construct-full-name (package-keys-author package)
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(package-keys-name package)))
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(define (contentdb->package-name author/name)
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"Given the AUTHOR/NAME of a package on ContentDB, return a Guix-compliant
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name for the package."
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;; The author is not included, as the names of popular mods
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;; tend to be unique.
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(string-append "minetest-" (snake-case (author/name->name author/name))))
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(define (author/name->name author/name)
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"Extract NAME from the AUTHOR/NAME string, or raise an error if AUTHOR/NAME
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is ill-formatted."
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(match (string-split author/name #\/)
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((author name)
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(when (string-null? author)
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(leave
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(G_ "In ~a: author names must consist of at least a single character.~%")
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author/name))
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(when (string-null? name)
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(leave
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(G_ "In ~a: mod names must consist of at least a single character.~%")
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author/name))
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name)
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((too many . components)
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(leave
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(G_ "In ~a: author names and mod names may not contain forward slashes.~%")
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author/name))
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((name)
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(if (string-null? name)
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(leave (G_ "mod names may not be empty.~%"))
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(leave (G_ "The name of the author is missing in ~a.~%")
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author/name)))))
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(define* (elaborate-contentdb-name name #:key (sort %default-sort-key))
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"If NAME is an AUTHOR/NAME string, return it. Otherwise, try to determine
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the author and return an appropriate AUTHOR/NAME string. If that fails,
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raise an exception."
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(if (or (string-contains name "/") (string-null? name))
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;; Call 'author/name->name' to verify that NAME seems reasonable
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;; and raise an appropriate exception if it isn't.
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(begin
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(author/name->name name)
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name)
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(let* ((package-keys (contentdb-query-packages name #:sort sort))
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(correctly-named
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(filter (lambda (package-key)
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(string=? name (package-keys-name package-key)))
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package-keys)))
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(match correctly-named
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((one) (package-keys-full-name one))
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((too . many)
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(warning (G_ "~a is ambiguous, presuming ~a (other options include: ~a)~%")
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name (package-keys-full-name too)
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(map package-keys-full-name many))
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(package-keys-full-name too))
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(()
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(leave (G_ "No mods with name ~a were found.~%") name))))))
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;;;
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;;; API endpoints
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;;;
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(define contentdb-fetch
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(mlambda (author/name)
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"Return a <package> record for package AUTHOR/NAME, or #f on failure."
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(and=> (json-fetch
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(string-append (%contentdb-api) "packages/" author/name "/"))
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json->package)))
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(define (contentdb-fetch-releases author/name)
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"Return a list of <release> records for package NAME by AUTHOR, or #f
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on failure."
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(and=> (json-fetch (string-append (%contentdb-api) "packages/" author/name
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"/releases/"))
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(lambda (json)
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(map json->release (vector->list json)))))
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(define (latest-release author/name)
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"Return the latest source release for package NAME by AUTHOR,
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or #f if this package does not exist."
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(and=> (contentdb-fetch-releases author/name)
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car))
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(define (contentdb-fetch-dependencies author/name)
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"Return an alist of lists of <dependency> records for package NAME by AUTHOR
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and possibly some other packages as well, or #f on failure."
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(define url (string-append (%contentdb-api) "packages/" author/name
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"/dependencies/"))
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(and=> (json-fetch url)
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(lambda (json)
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(map (match-lambda
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((key . value)
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(cons key (map json->dependency (vector->list value)))))
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json))))
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(define* (contentdb-query-packages q #:key
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(type "mod")
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(limit 50)
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(sort %default-sort-key)
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(order "desc"))
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"Search ContentDB for Q (a string). Sort by SORT, in ascending order
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if ORDER is \"asc\" or descending order if ORDER is \"desc\". TYPE must
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be \"mod\", \"game\" or \"txp\", restricting the search results to
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respectively mods, games and texture packs. Limit to at most LIMIT
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results. The return value is a list of <package-keys> records."
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;; XXX does Guile have something for constructing (and, when necessary,
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;; escaping) query strings?
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(define url (string-append (%contentdb-api) "packages/?type=" type
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"&q=" q "&fmt=keys"
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"&limit=" (number->string limit)
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"&order=" order
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"&sort=" sort))
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(let ((json (json-fetch url)))
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(if json
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(map json->package-keys (vector->list json))
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(leave
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(G_ "The package search API doesn't exist anymore.~%")))))
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;; XXX copied from (guix import elpa)
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(define* (download-git-repository url ref)
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"Fetch the given REF from the Git repository at URL."
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(with-store store
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(latest-repository-commit store url #:ref ref)))
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(define (make-minetest-sexp author/name version repository commit
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inputs home-page synopsis
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description media-license license)
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"Return a S-expression for the minetest package with the given author/NAME,
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VERSION, REPOSITORY, COMMIT, INPUTS, HOME-PAGE, SYNOPSIS, DESCRIPTION,
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MEDIA-LICENSE and LICENSE."
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`(package
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(name ,(contentdb->package-name author/name))
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(version ,version)
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(source
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(origin
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(method git-fetch)
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(uri (git-reference
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(url ,repository)
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(commit ,commit)))
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(sha256
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(base32
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;; The git commit is not always available.
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,(and commit
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(bytevector->nix-base32-string
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(file-hash*
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(download-git-repository repository
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`(commit . ,commit))
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;; 'download-git-repository' already filtered out the '.git'
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;; directory.
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#:select? (const #true)
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#:recursive? #true)))))
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(file-name (git-file-name name version))))
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(build-system minetest-mod-build-system)
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,@(maybe-propagated-inputs (map contentdb->package-name inputs))
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(home-page ,home-page)
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(synopsis ,(delete-cr synopsis))
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(description ,(beautify-description (delete-cr description)))
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(license ,(if (eq? media-license license)
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license
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`(list ,media-license ,license)))
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;; The Minetest updater (not yet in Guix; it requires not-yet-submitted
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;; patches to (guix upstream) that require some work) needs to know both
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;; the author name and mod name for efficiency.
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(properties ,(list 'quasiquote `((upstream-name . ,author/name))))))
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(define (package-home-page package)
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"Guess the home page of the ContentDB package PACKAGE.
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In order of preference, try the 'website', the forum topic on the
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official Minetest forum and the Git repository (if any)."
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(define (topic->url-sexp topic)
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;; 'minetest-topic' is a procedure defined in (gnu packages minetest)
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`(minetest-topic ,topic))
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(or (package-website package)
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(and=> (package-forums package) topic->url-sexp)
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(package-repository package)))
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(define (release-version release)
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"Guess the version of RELEASE from the release title."
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(define title (release-title release))
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(if (string-prefix? "v" title)
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;; Remove "v" prefix from release titles like ‘v1.0.1’.
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(substring title 1)
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title))
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(define (version-style version)
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"Determine the kind of version number VERSION is -- a date, or a conventional
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conventional version number."
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(define dots? (->bool (string-index version #\.)))
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(define hyphens? (->bool (string-index version #\-)))
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(match (cons dots? hyphens?)
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((#true . #false) 'regular) ; something like "0.1"
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((#false . #false) 'regular) ; single component version number
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((#true . #true) 'regular) ; result of 'git-version'
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((#false . #true) 'date))) ; something like "2021-01-25"
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;; If the default sort key is changed, make sure to modify 'show-help'
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;; in (guix scripts import minetest) appropriately as well.
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(define %default-sort-key "score")
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(define* (sort-packages packages #:key (sort %default-sort-key))
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"Sort PACKAGES by SORT, in descending order."
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(define package->key
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(match sort
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("score" package-score)
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("downloads" package-downloads)))
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(define (greater x y)
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(> (package->key x) (package->key y)))
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(sort-list packages greater))
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(define builtin-mod?
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(let ((%builtin-mods
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(alist->hash-table
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(map (lambda (x) (cons x #t))
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'("beds" "binoculars" "boats" "bones" "bucket" "butterflies"
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"carts" "creative" "default" "doors" "dungeon_loot" "dye"
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"env_sounds" "farming" "fire" "fireflies" "flowers"
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"game_commands" "give_initial_stuff" "map" "mtg_craftguide"
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"player_api" "screwdriver" "sethome" "sfinv" "spawn" "stairs"
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"tnt" "vessels" "walls" "weather" "wool" "xpanes")))))
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(lambda (mod)
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"Is MOD provided by the default minetest subgame?"
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(hash-ref %builtin-mods mod))))
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(define* (important-dependencies dependencies author/name
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#:key (sort %default-sort-key))
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"Return the hard dependencies of AUTHOR/NAME in the association list
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DEPENDENCIES as a list of AUTHOR/NAME strings."
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(define dependency-list
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(assoc-ref dependencies author/name))
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;; A mod can have multiple dependencies implemented by the same mod,
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;; so remove duplicate mod names.
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(define (filter-deduplicate-map f list)
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(delete-duplicates (filter-map f list)))
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(filter-deduplicate-map
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(lambda (dependency)
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(and (not (dependency-optional? dependency))
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(not (builtin-mod? (dependency-name dependency)))
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;; The dependency information contains symbolic names
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;; that can be ‘provided’ by multiple mods, so we need to choose one
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;; of the implementations.
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(let* ((implementations
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(par-map contentdb-fetch (dependency-packages dependency)))
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;; Fetching package information about the packages is racy:
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;; some packages might be removed from ContentDB between the
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;; construction of DEPENDENCIES and the call to
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;; 'contentdb-fetch'. So filter out #f.
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;;
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;; Filter out ‘games’ that include the requested mod -- it's
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;; the mod itself we want.
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(mods (filter (lambda (p) (and=> p package-mod?))
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implementations))
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(sorted-mods (sort-packages mods #:sort sort)))
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(match sorted-mods
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((package) (package-full-name package))
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((too . many)
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(warning
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(G_ "The dependency ~a of ~a has multiple different implementations ~a.~%")
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(dependency-name dependency)
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author/name
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(map package-full-name sorted-mods))
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(match sort
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("score"
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(warning
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(G_ "The implementation with the highest score will be chosen!~%")))
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("downloads"
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(warning
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(G_ "The implementation that has been downloaded the most will be chosen!~%"))))
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(package-full-name too))
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(()
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(warning
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(G_ "The dependency ~a of ~a does not have any implementation. It will be ignored!~%")
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(dependency-name dependency) author/name)
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#f)))))
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dependency-list))
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(define* (%minetest->guix-package author/name #:key (sort %default-sort-key)
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#:allow-other-keys)
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"Fetch the metadata for AUTHOR/NAME from https://content.minetest.net, and
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return the 'package' S-expression corresponding to that package, or raise an
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exception on failure. On success, also return the upstream dependencies as a
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list of AUTHOR/NAME strings."
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;; Call 'author/name->name' to verify that AUTHOR/NAME seems reasonable.
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(author/name->name author/name)
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(define package (contentdb-fetch author/name))
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(unless package
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(leave (G_ "no package metadata for ~a on ContentDB~%") author/name))
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(define dependencies (contentdb-fetch-dependencies author/name))
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(unless dependencies
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(leave (G_ "no dependency information for ~a on ContentDB~%") author/name))
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(define release (latest-release author/name))
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(unless release
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(leave (G_ "no release of ~a on ContentDB~%") author/name))
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(define important-upstream-dependencies
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(important-dependencies dependencies author/name #:sort sort))
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(values (make-minetest-sexp author/name
|
||
(release-version release)
|
||
(package-repository package)
|
||
(release-commit release)
|
||
important-upstream-dependencies
|
||
(package-home-page package)
|
||
(package-short-description package)
|
||
(package-long-description package)
|
||
(spdx-string->license
|
||
(package-media-license package))
|
||
(spdx-string->license
|
||
(package-license package)))
|
||
important-upstream-dependencies))
|
||
|
||
(define minetest->guix-package
|
||
(memoize %minetest->guix-package))
|
||
|
||
(define* (minetest-recursive-import author/name #:key (sort %default-sort-key))
|
||
(define* (minetest->guix-package* author/name #:key version #:allow-other-keys)
|
||
(minetest->guix-package author/name #:sort sort))
|
||
(recursive-import author/name
|
||
#:repo->guix-package minetest->guix-package*
|
||
#:guix-name contentdb->package-name))
|
||
|
||
(define (minetest-package? pkg)
|
||
"Is PKG a Minetest mod on ContentDB?"
|
||
(and (string-prefix? "minetest-" (package:package-name pkg))
|
||
(assq-ref (package:package-properties pkg) 'upstream-name)))
|
||
|
||
(define* (latest-minetest-release pkg #:key (version #f))
|
||
"Return an <upstream-source> for the latest release of the package PKG,
|
||
or #false if the latest release couldn't be determined."
|
||
(define author/name
|
||
(assq-ref (package:package-properties pkg) 'upstream-name))
|
||
(define contentdb-package (contentdb-fetch author/name)) ; TODO warn if #f?
|
||
(define release (latest-release author/name))
|
||
(define source (package:package-source pkg))
|
||
|
||
(when version
|
||
(raise
|
||
(formatted-message
|
||
(G_ "~a updater doesn't support updating to a specific version, sorry.")
|
||
"minetest")))
|
||
(and contentdb-package release
|
||
(release-commit release) ; not always set
|
||
;; Only continue if both the old and new version number are both
|
||
;; dates or regular version numbers, as two different styles confuses
|
||
;; the logic for determining which version is newer.
|
||
(eq? (version-style (release-version release))
|
||
(version-style (package:package-version pkg)))
|
||
(upstream-source
|
||
(package (package:package-name pkg))
|
||
(version (release-version release))
|
||
(urls (download:git-reference
|
||
(url (package-repository contentdb-package))
|
||
(commit (release-commit release)))))))
|
||
|
||
(define %minetest-updater
|
||
(upstream-updater
|
||
(name 'minetest)
|
||
(description "Updater for Minetest packages on ContentDB")
|
||
(pred minetest-package?)
|
||
(import latest-minetest-release)))
|