510ad5d93c
* guix/import/utils.scm (beautify-description): Append period to last
words which do not end with one.
* tests/crate.scm: Append period to descriptions.
* tests/elm.scm: Append period to descriptions.
* tests/gem.scm: Append period to descriptions.
* tests/hexpm.scm: Append period to descriptions.
* tests/minetest.scm: Append period to descriptions.
* tests/pypi.scm: Append period to descriptions.
* tests/import-utils.scm ("beautify-description: transform fragment into
sentence"): Likewise.
Change-Id: I0b12c4d94cb26cf62fab5b7cbf7885e66ff6c10f
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
680 lines
29 KiB
Scheme
680 lines
29 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2018, 2019, 2020, 2023 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2016 Jelle Licht <jlicht@fsfe.org>
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;;; Copyright © 2016 David Craven <david@craven.ch>
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;;; Copyright © 2017, 2019, 2020, 2022, 2023 Ricardo Wurmus <rekado@elephly.net>
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;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
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;;; Copyright © 2019 Robert Vollmert <rob@vllmrt.net>
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;;; Copyright © 2020 Helio Machado <0x2b3bfa0+guix@googlemail.com>
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;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
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;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
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;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
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;;; Copyright © 2022 Alice Brenon <alice.brenon@ens-lyon.fr>
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;;; Copyright © 2022 Kyle Meyer <kyle@kyleam.com>
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;;; Copyright © 2022 Philip McGrath <philip@philipmcgrath.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 utils)
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#:use-module (guix base32)
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#:use-module ((guix build download) #:prefix build:)
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#:use-module ((gcrypt hash) #:hide (sha256))
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#:use-module (guix http-client)
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#:use-module ((guix licenses) #:prefix license:)
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#:use-module (guix utils)
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#:use-module (guix packages)
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#:use-module (guix discovery)
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#:use-module (guix build-system)
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#:use-module ((guix i18n) #:select (G_))
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#:use-module (guix store)
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#:use-module (guix download)
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#:use-module (guix sets)
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#:use-module ((guix ui) #:select (fill-paragraph))
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#:use-module (gnu packages)
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#:autoload (ice-9 control) (let/ec)
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#:use-module (ice-9 match)
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#:use-module (ice-9 rdelim)
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#:use-module (ice-9 receive)
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#:use-module (ice-9 regex)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-11)
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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-71)
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#:export (factorize-uri
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flatten
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false-if-networking-error
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url-fetch
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guix-hash-url
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package-names->package-inputs
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maybe-inputs
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maybe-native-inputs
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maybe-propagated-inputs
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package->definition
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spdx-string->license
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license->symbol
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snake-case
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beautify-description
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beautify-synopsis
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alist->package
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read-lines
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chunk-lines
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guix-name
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recursive-import))
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(define (factorize-uri uri version)
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"Factorize URI, a package tarball URI as a string, such that any occurrences
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of the string VERSION is replaced by the symbol 'version."
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(let ((version-rx (make-regexp (regexp-quote version))))
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(match (regexp-exec version-rx uri)
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(#f
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uri)
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(_
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(let ((indices (fold-matches version-rx uri
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'((0))
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(lambda (m result)
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(match result
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(((start) rest ...)
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`((,(match:end m))
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(,start . ,(match:start m))
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,@rest)))))))
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(fold (lambda (index result)
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(match index
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((start)
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(cons (substring uri start)
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result))
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((start . end)
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(cons* (substring uri start end)
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'version
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result))))
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'()
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indices))))))
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(define (flatten lst)
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"Return a list that recursively concatenates all sub-lists of LST."
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(fold-right
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(match-lambda*
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(((sub-list ...) memo)
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(append (flatten sub-list) memo))
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((elem memo)
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(cons elem memo)))
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'() lst))
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(define (call-with-networking-exception-handler thunk)
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"Invoke THUNK, returning #f if one of the usual networking exception is
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thrown."
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(let/ec return
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(with-exception-handler
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(lambda (exception)
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(cond ((http-get-error? exception)
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(return #f))
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(((exception-predicate &exception-with-kind-and-args) exception)
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;; Return false and move on upon connection failures and bogus
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;; HTTP servers.
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(if (memq (exception-kind exception)
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'(gnutls-error tls-certificate-error
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system-error getaddrinfo-error
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bad-header bad-header-component))
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(return #f)
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(raise-exception exception)))
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(else
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(raise-exception exception))))
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thunk
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;; Do not unwind to preserve meaningful backtraces.
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#:unwind? #f)))
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(define-syntax-rule (false-if-networking-error exp)
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"Evaluate EXP, returning #f if a networking-related exception is thrown."
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(call-with-networking-exception-handler (lambda () exp)))
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(define (url-fetch url file-name)
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"Save the contents of URL to FILE-NAME. Return #f on failure."
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(parameterize ((current-output-port (current-error-port)))
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(build:url-fetch url file-name)))
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(define (guix-hash-url filename)
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"Return the hash of FILENAME in nix-base32 format."
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(bytevector->nix-base32-string (file-sha256 filename)))
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(define %spdx-license-identifiers
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;; https://spdx.org/licenses/
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;; The gfl1.0, nmap, repoze
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;; licenses doesn't have SPDX identifiers
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;;
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;; Please update guix/licenses.scm when modifying
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;; this list to avoid mismatches.
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;;
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;; "GPL-N+" has been deprecated in favour of "GPL-N-or-later". "GPL-N" has
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;; been deprecated in favour of "GPL-N-only" or "GPL-N-or-later" as
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;; appropriate. Likewise for LGPL and AGPL. However, we list the
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;; deprecated forms here (with and without the "+" operator) to get better
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;; results from old license expressions.
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'(("AGPL-1.0" . license:agpl1)
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("AGPL-1.0-only" . license:agpl1)
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("AGPL-3.0" . license:agpl3)
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("AGPL-3.0-only" . license:agpl3)
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("AGPL-3.0-or-later" . license:agpl3+)
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("Arphic-1999" . license:arphic-1999)
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("Apache-1.1" . license:asl1.1)
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("Apache-2.0" . license:asl2.0)
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("APSL-2.0" . license:apsl2)
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("BSL-1.0" . license:boost1.0)
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("0BSD" . license:bsd-0)
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("BSD-2-Clause" . license:bsd-2)
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("BSD-2-Clause-FreeBSD" . license:bsd-2) ;flagged as deprecated on spdx
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("BSD-3-Clause" . license:bsd-3)
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("BSD-4-Clause" . license:bsd-4)
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("CC0-1.0" . license:cc0)
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("CC-BY-2.0" . license:cc-by2.0)
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("CC-BY-3.0" . license:cc-by3.0)
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("CC-BY-4.0" . license:cc-by4.0)
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("CC-BY-SA-2.0" . license:cc-by-sa2.0)
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("CC-BY-SA-3.0" . license:cc-by-sa3.0)
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("CC-BY-SA-4.0" . license:cc-by-sa4.0)
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("CDDL-1.0" . license:cddl1.0)
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("CDDL-1.1" . license:cddl1.1)
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("CECILL-2.1" . license:cecill)
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("CECILL-B" . license:cecill-b)
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("CECILL-C" . license:cecill-c)
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("Artistic-2.0" . license:artistic2.0)
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("ClArtistic" . license:clarified-artistic)
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("copyleft-next-0.3.0" . license:copyleft-next)
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("CPL-1.0" . license:cpl1.0)
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("EPL-1.0" . license:epl1.0)
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("EPL-2.0" . license:epl2.0)
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("EUPL-1.1" . license:eupl1.1)
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("EUPL-1.2" . license:eupl1.2)
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("MIT" . license:expat)
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("MIT-0" . license:expat-0)
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("FTL" . license:freetype)
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("FreeBSD-DOC" . license:freebsd-doc)
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("Freetype" . license:freetype)
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("FSFAP" . license:fsf-free)
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("FSFUL" . license:fsf-free)
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("GFDL-1.1" . license:fdl1.1+)
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("GFDL-1.1-or-later" . license:fdl1.1+)
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("GFDL-1.2" . license:fdl1.2+)
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("GFDL-1.2-or-later" . license:fdl1.2+)
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("GFDL-1.3" . license:fdl1.3+)
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("GFDL-1.3-or-later" . license:fdl1.3+)
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("Giftware" . license:giftware)
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("GPL-1.0" . license:gpl1)
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("GPL-1.0-only" . license:gpl1)
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("GPL-1.0+" . license:gpl1+)
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("GPL-1.0-or-later" . license:gpl1+)
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("GPL-2.0" . license:gpl2)
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("GPL-2.0-only" . license:gpl2)
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("GPL-2.0+" . license:gpl2+)
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("GPL-2.0-or-later" . license:gpl2+)
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("GPL-3.0" . license:gpl3)
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("GPL-3.0-only" . license:gpl3)
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("GPL-3.0+" . license:gpl3+)
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("GPL-3.0-or-later" . license:gpl3+)
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("HPND" . license:hpnd)
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("ISC" . license:isc)
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("IJG" . license:ijg)
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("Imlib2" . license:imlib2)
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("IPA" . license:ipa)
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("IPL-1.0" . license:ibmpl1.0)
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("LAL-1.3" . license:lal1.3)
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("LGPL-2.0" . license:lgpl2.0)
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("LGPL-2.0-only" . license:lgpl2.0)
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("LGPL-2.0+" . license:lgpl2.0+)
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("LGPL-2.0-or-later" . license:lgpl2.0+)
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("LGPL-2.1" . license:lgpl2.1)
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("LGPL-2.1-only" . license:lgpl2.1)
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("LGPL-2.1+" . license:lgpl2.1+)
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("LGPL-2.1-or-later" . license:lgpl2.1+)
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("LGPL-3.0" . license:lgpl3)
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("LGPL-3.0-only" . license:lgpl3)
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("LGPL-3.0+" . license:lgpl3+)
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("LGPL-3.0-or-later" . license:lgpl3+)
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("LPL-1.02" . license:lpl1.02)
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("LPPL-1.0" . license:lppl)
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("LPPL-1.1" . license:lppl)
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("LPPL-1.2" . license:lppl1.2)
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("LPPL-1.3a" . license:lppl1.3a)
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("LPPL-1.3c" . license:lppl1.3c)
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("MirOS" . license:miros)
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("MPL-1.0" . license:mpl1.0)
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("MPL-1.1" . license:mpl1.1)
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("MPL-2.0" . license:mpl2.0)
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("MS-PL" . license:ms-pl)
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("NCSA" . license:ncsa)
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("OGL-UK-1.0" . license:ogl-psi1.0)
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("OpenSSL" . license:openssl)
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("OLDAP-2.8" . license:openldap2.8)
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("OPL-1.0" . license:opl1.0+)
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("CUA-OPL-1.0" . license:cua-opl1.0)
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("PSF-2.0" . license:psfl)
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("OSL-2.1" . license:osl2.1)
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("QPL-1.0" . license:qpl)
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("Ruby" . license:ruby)
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("SGI-B-2.0" . license:sgifreeb2.0)
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("OFL-1.1" . license:silofl1.1)
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("Sleepycat" . license:sleepycat)
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("TCL" . license:tcl/tk)
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("Unlicense" . license:unlicense)
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("Vim" . license:vim)
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("W3C" . license:w3c)
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("WTFPL" . license:wtfpl2)
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("wxWindow" . license:wxwindows3.1+) ;flagged as deprecated on spdx
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("X11" . license:x11)
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("ZPL-2.1" . license:zpl2.1)
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("Zlib" . license:zlib)))
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(define (spdx-string->license str)
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"Convert STR, an SPDX license identifier (possibly with a postfix +
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operator), to a symbol like 'license:gpl3+ giving the prefixed name of a
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license object exported from (guix licenses). Return #f if STR does not match
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any known SPDX license identifiers. Per the SPDX specification, license
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identifiers are compared case-insensitively."
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;; https://spdx.github.io/spdx-spec/v2.3/SPDX-license-expressions/#d2-case-sensitivity
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;; Operators AND, OR, and WITH are case-sensitive, but identifiers are
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;; case-insensitive for matching, though the canonical case is used in URIs.
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(match (assoc str %spdx-license-identifiers string-ci=?)
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((_ . license)
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license)
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(#f
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(and (string-suffix? "+" str)
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;; We try the form with the + to support deprecated identifiers for
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;; GNU licenses (see above). Here, we handle other uses of +.
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(spdx-string->license (string-drop-right str 1))))))
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(define (license->symbol license)
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"Convert LICENSE object to a prefixed symbol representing the variable the
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object is bound to in the (guix licenses) module, such as 'license:gpl3+, or
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#f if there is no such known license."
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(define licenses
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(module-map (lambda (sym var) `(,(variable-ref var) . ,sym))
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(resolve-interface '(guix licenses) #:prefix 'license:)))
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(assoc-ref licenses license))
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(define (snake-case str)
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"Return a downcased version of the string STR where underscores are replaced
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with dashes."
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(string-join (string-split (string-downcase str) #\_) "-"))
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(define* (beautify-description description #:optional (length 80))
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"Improve the package DESCRIPTION by turning a beginning sentence fragment into
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a proper sentence and by using two spaces between sentences, and wrap lines at
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LENGTH characters."
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(unless (string? description)
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(G_ "This package lacks a description. Run \
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\"info '(guix) Synopses and Descriptions'\" for more information."))
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(let* ((fix-word
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(lambda (word)
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(fold (lambda (proc acc) (proc acc)) word
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(list
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;; Remove wrapping in single quotes, common in R packages.
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(cut string-trim-both <> #\')
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;; Escape single @ to prevent it from being understood as
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;; invalid Texinfo syntax.
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(cut regexp-substitute/global #f "@" <> 'pre "@@" 'post)
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;; Wrap camelCase or PascalCase words in @code{...}.
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(lambda (word)
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(let ((pattern (make-regexp "([A-Z][a-z]+[A-Z]|[a-z]+[A-Z])")))
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(match (list-matches pattern word)
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(() word)
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((m . rest)
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;; Do not include leading or trailing punctuation.
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(let* ((last-text (or (and=> (string-skip-right word char-set:punctuation) 1+)
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(string-length word)))
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(inner (substring word (match:start m) last-text))
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(pre (string-take word (match:start m)))
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(post (substring word last-text (string-length word))))
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(string-append pre "@code{" inner "}" post))))))))))
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(words
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(string-tokenize (string-trim-both description)
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(char-set-complement
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(char-set #\space #\newline))))
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(new-words
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(match words
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(((and (or "A" "Classes" "Functions" "Methods" "Tools")
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first) . rest)
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(cons* "This" "package" "provides"
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(string-downcase first) rest))
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(((and (or "Contains"
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"Creates"
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"Performs"
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"Provides"
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"Produces"
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"Implements"
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"Infers") first) . rest)
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(cons* "This" "package"
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(string-downcase first) rest))
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(_ words)))
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(new-words
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(match new-words
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((rest ... last)
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(reverse (cons (if (or (string-suffix? "." last)
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(string-suffix? "!" last)
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(string-suffix? "?" last))
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last
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(string-append last "."))
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(reverse rest))))))
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(cleaned
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(string-join (map fix-word new-words))))
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;; Use double spacing between sentences
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(fill-paragraph (regexp-substitute/global #f "\\. \\b"
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cleaned 'pre
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(lambda (m)
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(let ((pre (match:prefix m))
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(abbrevs '("Dr" "Mr" "Mrs"
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"Ms" "Prof" "vs"
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"e.g")))
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(if (and (> (string-length pre) 0)
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(or (any (cut string-suffix? <> pre) abbrevs)
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(char-upper-case?
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(string-ref pre (1- (string-length pre))))))
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". "
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". ")))
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'post)
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length)))
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(define (beautify-synopsis synopsis)
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"Improve the package SYNOPSIS."
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(let ((cleaned (cond
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((not (string? synopsis))
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(G_ "This package lacks a synopsis. Run \
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\"info '(guix) Synopses and Descriptions'\" for more information."))
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((string-prefix? "A " synopsis)
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(substring synopsis 1))
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;; Remove trailing period.
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((string-suffix? "." synopsis)
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(substring synopsis 0
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(1- (string-length synopsis))))
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(else synopsis))))
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(string-trim-both cleaned)))
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(define* (package-names->package-inputs names #:optional (output #f))
|
|
"Given a list of PACKAGE-NAMES or (PACKAGE-NAME VERSION) pairs, and an
|
|
optional OUTPUT, tries to generate a quoted list of inputs, as suitable to
|
|
use in an 'inputs' field of a package definition."
|
|
(define (make-input input version)
|
|
(cons* input (list 'unquote (string->symbol
|
|
(if version
|
|
(string-append input "-" version)
|
|
input)))
|
|
(or (and output (list output))
|
|
'())))
|
|
|
|
(map (match-lambda
|
|
((input version) (make-input input version))
|
|
(input (make-input input #f)))
|
|
names))
|
|
|
|
(define* (maybe-inputs package-names #:optional (output #f)
|
|
#:key (type #f))
|
|
"Given a list of PACKAGE-NAMES, tries to generate the 'inputs' field of a
|
|
package definition. TYPE can be used to specify the type of the inputs;
|
|
either the 'native or 'propagated symbols are accepted. Left unspecified, the
|
|
snippet generated is for regular inputs."
|
|
(let ((field-name (match type
|
|
('native 'native-inputs)
|
|
('propagated 'propagated-inputs)
|
|
(_ 'inputs))))
|
|
(match (package-names->package-inputs package-names output)
|
|
(()
|
|
'())
|
|
((package-inputs ...)
|
|
`((,field-name (,'quasiquote ,package-inputs)))))))
|
|
|
|
(define* (maybe-native-inputs package-names #:optional (output #f))
|
|
"Same as MAYBE-INPUTS, but for native inputs."
|
|
(maybe-inputs package-names output #:type 'native))
|
|
|
|
(define* (maybe-propagated-inputs package-names #:optional (output #f))
|
|
"Same as MAYBE-INPUTS, but for propagated inputs."
|
|
(maybe-inputs package-names output #:type 'propagated))
|
|
|
|
(define* (package->definition guix-package #:optional append-version?/string)
|
|
"If APPEND-VERSION?/STRING is #t, append the package's major+minor version.
|
|
If it is the symbol 'full, append the package's complete version. If
|
|
APPEND-VERSION?/string is a string, append this string."
|
|
(match guix-package
|
|
((or
|
|
('package ('name name) ('version version) . rest)
|
|
('let _ ('package ('name name) ('version version) . rest)))
|
|
`(define-public ,(string->symbol
|
|
(cond
|
|
((string? append-version?/string)
|
|
(string-append name "-" append-version?/string))
|
|
((eq? append-version?/string #t)
|
|
(string-append name "-" (version-major+minor version)))
|
|
((eq? 'full append-version?/string)
|
|
(string-append name "-" version))
|
|
(else name)))
|
|
,guix-package))))
|
|
|
|
(define (build-system-modules)
|
|
(all-modules (map (lambda (entry)
|
|
`(,entry . "guix/build-system"))
|
|
%load-path)))
|
|
|
|
(define (lookup-build-system-by-name name)
|
|
"Return a <build-system> value for the symbol NAME, representing the name of
|
|
the build system."
|
|
(fold-module-public-variables (lambda (obj result)
|
|
(if (and (build-system? obj)
|
|
(eq? name (build-system-name obj)))
|
|
obj result))
|
|
#f
|
|
(build-system-modules)))
|
|
|
|
(define (specs->package-lists specs)
|
|
"Convert each string in the SPECS list to a list of a package label and a
|
|
package value."
|
|
(map (lambda (spec)
|
|
(let-values (((pkg out) (specification->package+output spec)))
|
|
(match out
|
|
("out" (list (package-name pkg) pkg))
|
|
(_ (list (package-name pkg) pkg out)))))
|
|
specs))
|
|
|
|
(define (source-spec->object source)
|
|
"Generate an <origin> object from a SOURCE specification. The SOURCE can
|
|
either be a simple URL string, #F, or an alist containing entries for each of
|
|
the expected fields of an <origin> object."
|
|
(match source
|
|
((? string? source-url)
|
|
(let ((tarball (with-store store (download-to-store store source-url))))
|
|
(origin
|
|
(method url-fetch)
|
|
(uri source-url)
|
|
(sha256 (base32 (guix-hash-url tarball))))))
|
|
(#f #f)
|
|
(orig (let ((sha (match (assoc-ref orig "sha256")
|
|
((("base32" . value))
|
|
(base32 value))
|
|
(_ #f))))
|
|
(origin
|
|
(method (match (assoc-ref orig "method")
|
|
("url-fetch" (@ (guix download) url-fetch))
|
|
("git-fetch" (@ (guix git-download) git-fetch))
|
|
("svn-fetch" (@ (guix svn-download) svn-fetch))
|
|
("hg-fetch" (@ (guix hg-download) hg-fetch))
|
|
(_ #f)))
|
|
(uri (assoc-ref orig "uri"))
|
|
(sha256 sha))))))
|
|
|
|
(define* (alist->package meta #:optional (known-inputs '()))
|
|
"Return a package value generated from the alist META. If the list of
|
|
strings KNOWN-INPUTS is provided, do not treat the mentioned inputs as
|
|
specifications to look up and replace them with plain symbols instead."
|
|
(define (process-inputs which)
|
|
(let-values (((regular known)
|
|
(lset-diff+intersection
|
|
string=?
|
|
(vector->list (or (assoc-ref meta which) #()))
|
|
known-inputs)))
|
|
(append (specs->package-lists regular)
|
|
(map string->symbol known))))
|
|
(define (process-arguments arguments)
|
|
(append-map (match-lambda
|
|
((key . value)
|
|
(list (symbol->keyword (string->symbol key)) value)))
|
|
arguments))
|
|
(define (process-properties properties)
|
|
(map (match-lambda
|
|
((key . value)
|
|
(cons (string->symbol key) value)))
|
|
properties))
|
|
|
|
(package
|
|
(name (assoc-ref meta "name"))
|
|
(version (assoc-ref meta "version"))
|
|
(source (source-spec->object (assoc-ref meta "source")))
|
|
(properties
|
|
(or (and=> (assoc-ref meta "properties")
|
|
process-properties)
|
|
'()))
|
|
(build-system
|
|
(lookup-build-system-by-name
|
|
(string->symbol (assoc-ref meta "build-system"))))
|
|
(arguments
|
|
(or (and=> (assoc-ref meta "arguments")
|
|
process-arguments)
|
|
'()))
|
|
(native-inputs (process-inputs "native-inputs"))
|
|
(inputs (process-inputs "inputs"))
|
|
(propagated-inputs (process-inputs "propagated-inputs"))
|
|
(home-page
|
|
(assoc-ref meta "home-page"))
|
|
(synopsis
|
|
(assoc-ref meta "synopsis"))
|
|
(description
|
|
(assoc-ref meta "description"))
|
|
(license
|
|
(match (assoc-ref meta "license")
|
|
(#f #f)
|
|
(l
|
|
(or (false-if-exception
|
|
(module-ref (resolve-interface '(guix licenses))
|
|
(string->symbol l)))
|
|
(false-if-exception
|
|
(module-ref (resolve-interface '(guix licenses) #:prefix 'license:)
|
|
(spdx-string->license l)))
|
|
(license:fsdg-compatible l)))))))
|
|
|
|
(define* (read-lines #:optional (port (current-input-port)))
|
|
"Read lines from PORT and return them as a list."
|
|
(let loop ((line (read-line port))
|
|
(lines '()))
|
|
(if (eof-object? line)
|
|
(reverse lines)
|
|
(loop (read-line port)
|
|
(cons line lines)))))
|
|
|
|
(define* (chunk-lines lines #:optional (pred string-null?))
|
|
"Return a list of chunks, each of which is a list of lines. The chunks are
|
|
separated by PRED."
|
|
(let loop ((rest lines)
|
|
(parts '()))
|
|
(receive (before after)
|
|
(break pred rest)
|
|
(let ((res (cons before parts)))
|
|
(if (null? after)
|
|
(reverse res)
|
|
(loop (cdr after) res))))))
|
|
|
|
(define (guix-name prefix name)
|
|
"Return a Guix package name for a given package name."
|
|
(string-append prefix (string-map (match-lambda
|
|
(#\_ #\-)
|
|
(#\. #\-)
|
|
(chr (char-downcase chr)))
|
|
name)))
|
|
|
|
(define (topological-sort nodes
|
|
node-dependencies
|
|
node-name)
|
|
"Perform a breadth-first traversal of the graph rooted at NODES, a list of
|
|
nodes, and return the list of nodes sorted in topological order. Call
|
|
NODE-DEPENDENCIES to obtain the dependencies of a node, and NODE-NAME to
|
|
obtain a node's uniquely identifying \"key\"."
|
|
(let loop ((nodes nodes)
|
|
(result '())
|
|
(visited (set)))
|
|
(match nodes
|
|
(()
|
|
result)
|
|
((head . tail)
|
|
(if (set-contains? visited (node-name head))
|
|
(loop tail result visited)
|
|
(let ((dependencies (node-dependencies head)))
|
|
(loop (append dependencies tail)
|
|
(cons head result)
|
|
(set-insert (node-name head) visited))))))))
|
|
|
|
(define* (recursive-import package-name
|
|
#:key repo->guix-package guix-name version
|
|
#:allow-other-keys #:rest rest)
|
|
"Return a list of package expressions for PACKAGE-NAME and all its
|
|
dependencies, sorted in topological order. For each package,
|
|
call (REPO->GUIX-PACKAGE NAME #:version V), which should return a
|
|
package expression and a list of dependencies; call (GUIX-NAME PACKAGE-NAME)
|
|
to obtain the Guix package name corresponding to the upstream name."
|
|
(define-record-type <node>
|
|
(make-node name version package dependencies)
|
|
node?
|
|
(name node-name)
|
|
(version node-version)
|
|
(package node-package)
|
|
(dependencies node-dependencies))
|
|
|
|
(define (exists? name version)
|
|
(not (null? (find-packages-by-name (guix-name name) version))))
|
|
|
|
(define (lookup-node name version)
|
|
(let* ((pre post (break (cut eq? #:version <>) rest))
|
|
(post* (match post
|
|
((#:version v . more) more)
|
|
(_ post)))
|
|
(args (append pre (list #:version version) post*))
|
|
(package dependencies (apply repo->guix-package name args))
|
|
(normalized-deps (map (match-lambda
|
|
((name version) (list name version))
|
|
(name (list name #f))) dependencies)))
|
|
(make-node name version package normalized-deps)))
|
|
|
|
(filter-map
|
|
node-package
|
|
(topological-sort (list (lookup-node package-name version))
|
|
(lambda (node)
|
|
(map (lambda (name-version)
|
|
(apply lookup-node name-version))
|
|
(remove (lambda (name-version)
|
|
(apply exists? name-version))
|
|
(node-dependencies node))))
|
|
(lambda (node)
|
|
(string-append
|
|
(node-name node)
|
|
(or (node-version node) ""))))))
|