forked from tribes/guix
Lars-Dominik Braun
d57dd25d38
* guix/import/cran.scm (string-licenses): Add license-prefix argument. (string->license): Ditto. (description->package): Ditto. (cran->guix-package): Ditto. (cran-recursive-import): Ditto. * guix/scripts/import/cran.scm (%options): Add new option -p/--license-prefix. (show-help): Document it. (parse-options): Pass it to importer. * doc/guix.texi (Invoking guix import): Document it.
138 lines
5.2 KiB
Scheme
138 lines
5.2 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
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;;; Copyright © 2015, 2017, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
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;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
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;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
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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 scripts import cran)
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#:use-module (guix ui)
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#:use-module (guix utils)
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#:use-module (guix scripts)
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#:use-module (guix import cran)
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#:use-module (guix import utils)
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#:use-module (guix scripts import)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-37)
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#:use-module (srfi srfi-71)
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#:use-module (ice-9 match)
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#:use-module (ice-9 format)
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#:export (guix-import-cran))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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'())
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(define (show-help)
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(display (G_ "Usage: guix import cran PACKAGE-NAME
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Import and convert the CRAN package for PACKAGE-NAME.\n"))
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(display (G_ "
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-a, --archive=ARCHIVE specify the archive repository"))
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(display (G_ "
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-h, --help display this help and exit"))
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(display (G_ "
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-r, --recursive import packages recursively"))
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(display (G_ "
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-s, --style=STYLE choose output style, either specification or variable"))
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(display (G_ "
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-p, --license-prefix=PREFIX
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add custom prefix to licenses"))
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(display (G_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specification of the command-line options.
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(cons* (option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix import cran")))
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(option '(#\a "archive") #t #f
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(lambda (opt name arg result)
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(alist-cons 'repo (string->symbol arg)
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(alist-delete 'repo result))))
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(option '(#\s "style") #t #f
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(lambda (opt name arg result)
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(alist-cons 'style (string->symbol arg)
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(alist-delete 'style result))))
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(option '(#\p "license-prefix") #t #f
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(lambda (opt name arg result)
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(alist-cons 'license-prefix arg
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(alist-delete 'license-prefix result))))
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(option '(#\r "recursive") #f #f
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(lambda (opt name arg result)
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(alist-cons 'recursive #t result)))
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%standard-import-options))
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;;;
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;;; Entry point.
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;;;
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(define (guix-import-cran . args)
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(define (parse-options)
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;; Return the alist of option values.
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(parse-command-line args %options (list %default-options)
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#:build-options? #f))
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(let* ((opts (parse-options))
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(args (filter-map (match-lambda
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(('argument . value)
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value)
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(_ #f))
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(reverse opts)))
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(prefix (assoc-ref opts 'license-prefix))
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(prefix-proc (if (string? prefix)
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(lambda (symbol)
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(string->symbol
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(string-append prefix (symbol->string symbol))))
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identity)))
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(parameterize ((%input-style (assoc-ref opts 'style)))
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(match args
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((spec)
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(let ((name version (package-name->name+version spec)))
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(if (assoc-ref opts 'recursive)
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;; Recursive import
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(with-error-handling
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(map package->definition
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(filter identity
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(cran-recursive-import name
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#:version version
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#:repo (or (assoc-ref opts 'repo) 'cran)
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#:license-prefix prefix-proc))))
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;; Single import
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(let ((sexp (cran->guix-package name
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#:version version
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#:repo (or (assoc-ref opts 'repo) 'cran)
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#:license-prefix prefix-proc)))
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(unless sexp
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(leave (G_ "failed to download description for package '~a'~%")
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name))
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sexp))))
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(()
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(leave (G_ "too few arguments~%")))
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((many ...)
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(leave (G_ "too many arguments~%")))))))
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