02e2e093e8
This patch adds a 'guix import go' command. * doc/guix.texi (Requirements): Mention Guile-Lib dependency. (Invoking guix import): Document 'guix import go'. * gnu/packages/package-management.scm (guix)[inputs, propagated-inputs]: Add GUILE-LIB. * guix/self.scm (compiled-guix)[guile-lib]: New variable. [dependencies]: Add it. (specification->package): Add "guile-lib". * guix/build-system/go.scm (go-version->git-ref): New procedure. * guix/import/go.scm, guix/scripts/import/go.scm, tests/go.scm: New files. * guix/scripts/import.scm: Declare subcommand guix import go * po/guix/POTFILES.in: Add 'guix/scripts/import/go.scm'. * Makefile.am (MODULES): Add 'guix/import/go.scm' and 'guix/scripts/import/go.scm'. (SCM_TESTS): Add 'tests/go.scm'. Co-Authored-By: Helio Machado <0x2b3bfa0@gmail.com> Co-Authored-By: Francois Joulaud <francois.joulaud@radiofrance.com> Co-Authored-By: Maxim Cournoyer <maxim.cournoyer@gmail.com> Co-Authored-by: Ludovic Courtès <ludo@gnu.org>
132 lines
4.2 KiB
Scheme
132 lines
4.2 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2020 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2014 David Thompson <davet@gnu.org>
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;;; Copyright © 2018 Kyle Meyer <kyle@kyleam.com>
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;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix scripts import)
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#:use-module (guix ui)
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#:use-module (guix scripts)
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#:use-module (guix utils)
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#:use-module (srfi srfi-1)
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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-37)
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#:use-module (ice-9 format)
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#:use-module (ice-9 match)
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#:use-module (ice-9 pretty-print)
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#:export (%standard-import-options
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guix-import))
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;;;
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;;; Helper.
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;;;
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(define (newline-rewriting-port output)
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"Return an output port that rewrites strings containing the \\n escape
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to an actual newline. This works around the behavior of `pretty-print'
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and `write', which output these as \\n instead of actual newlines,
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whereas we want the `description' field to contain actual newlines
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rather than \\n."
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(define (write-string str)
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(let loop ((chars (string->list str)))
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(match chars
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(()
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#t)
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((#\\ #\n rest ...)
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(newline output)
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(loop rest))
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((chr rest ...)
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(write-char chr output)
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(loop rest)))))
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(make-soft-port (vector (cut write-char <>)
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write-string
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(lambda _ #t) ; flush
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#f
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(lambda _ #t) ; close
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#f)
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"w"))
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;;;
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;;; Command line options.
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;;;
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(define %standard-import-options '())
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;;;
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;;; Entry point.
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;;;
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(define importers '("gnu" "nix" "pypi" "cpan" "hackage" "stackage" "elpa" "gem"
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"go" "cran" "crate" "texlive" "json" "opam"))
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(define (resolve-importer name)
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(let ((module (resolve-interface
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`(guix scripts import ,(string->symbol name))))
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(proc (string->symbol (string-append "guix-import-" name))))
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(module-ref module proc)))
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(define (show-help)
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(display (G_ "Usage: guix import IMPORTER ARGS ...
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Run IMPORTER with ARGS.\n"))
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(newline)
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(display (G_ "IMPORTER must be one of the importers listed below:\n"))
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(newline)
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(format #t "~{ ~a~%~}" importers)
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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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-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-command (guix-import . args)
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(category packaging)
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(synopsis "import a package definition from an external repository")
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(match args
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(()
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(format (current-error-port)
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(G_ "guix import: missing importer name~%")))
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((or ("-h") ("--help"))
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(show-help)
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(exit 0))
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((or ("-V") ("--version"))
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(show-version-and-exit "guix import"))
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((importer args ...)
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(if (member importer importers)
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(let ((print (lambda (expr)
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(pretty-print expr (newline-rewriting-port
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(current-output-port))))))
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(match (apply (resolve-importer importer) args)
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((and expr (or ('package _ ...)
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('let _ ...)))
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(print expr))
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((? list? expressions)
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(for-each (lambda (expr)
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(print expr)
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(newline))
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expressions))
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(x
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(leave (G_ "'~a' import failed~%") importer))))
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(leave (G_ "~a: invalid importer~%") importer)))))
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