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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012-2014, 2020-2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 David Thompson <davet@gnu.org>
;;; Copyright © 2018 Kyle Meyer <kyle@kyleam.com>
;;; Copyright © 2019, 2022 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2022 Philip McGrath <philip@philipmcgrath.com>
;;; Copyright © 2024 Herman Rimm <herman@rimm.ee>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix scripts import)
#:use-module (guix build utils)
#:use-module (guix import utils)
#:use-module (guix ui)
#:use-module (guix scripts)
#:use-module (guix read-print)
#:use-module (guix utils)
#:use-module (srfi srfi-1)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:export (%standard-import-options
guix-import))
\f
;;;
;;; Command line options.
;;;
(define %standard-import-options '())
\f
;;;
;;; Entry point.
;;;
(define importers '("gnu" "pypi" "cpan" "hackage" "stackage" "egg" "elpa"
"gem" "go" "cran" "crate" "texlive" "json" "opam"
"minetest" "elm" "hexpm" "composer"))
(define (resolve-importer name)
(let ((module (resolve-interface
`(guix scripts import ,(string->symbol name))))
(proc (string->symbol (string-append "guix-import-" name))))
(module-ref module proc)))
(define (show-help)
(display (G_ "Usage: guix import IMPORTER ARGS ...
Run IMPORTER with ARGS.\n"))
(newline)
(display (G_ "IMPORTER must be one of the importers listed below:\n"))
(newline)
(format #t "~{ ~a~%~}" importers)
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-p, --put put the import in a package module"))
(display (G_ "
-V, --version display version information and exit"))
(newline)
(show-bug-report-information))
(define (try-import importer args finish)
(if (member importer importers)
(match (apply (resolve-importer importer) args)
((and expr ('package _ ...))
(finish (package->definition expr)))
((and expr (or ('let _ ...)
('define-public _ ...)))
(finish expr))
((? list? expressions)
(for-each (lambda (expr)
(match expr
((and expr ('package _ ...))
(finish (package->definition expr)))
((and expr (or ('let _ ...)
('define-public _ ...)))
(finish expr))))
expressions))
(x
(leave (G_ "'~a' import failed~%") importer)))
(let ((hint (string-closest importer importers #:threshold 3)))
(report-error (G_ "~a: invalid importer~%") importer)
(when hint
(display-hint (G_ "Did you mean @code{~a}?~%") hint))
(exit 1))))
(define-command (guix-import . args)
(category packaging)
(synopsis "import a package definition from an external repository")
(match args
(()
(format (current-error-port)
(G_ "guix import: missing importer name~%")))
((or ("-h" _ ...) ("--help" _ ...))
(leave-on-EPIPE (show-help))
(exit 0))
((or ("-V" _ ...) ("--version" _ ...))
(show-version-and-exit "guix import"))
((or ("-p" module importer args ...)
("--put" module importer args ...))
(let ((put (lambda (expr)
(let ((line
(call-with-input-file module
(lambda (port)
(do ((se (read-syntax port)
(read-syntax port)))
((match (syntax->datum se)
(('define-public symbol _ ...)
(string> (symbol->string symbol)
(symbol->string (cadr expr))))
((? eof-object?) #t)
(_ #f))
(if (eof-object? se)
#f
(car (string-split
(object->string*
(syntax->datum se) 0)
#\newline)))))))))
(if line
(substitute* module
(((string-append "\\" line))
(string-append
(object->string* expr 0)
"\n\n" line)))
(let ((port (open-file module "a")))
(pretty-print-with-comments port expr)
(newline port)
(close-port port)))))))
(try-import importer args put)))
((importer args ...)
(let ((print (lambda (expr)
(leave-on-EPIPE
(pretty-print-with-comments
(current-output-port) expr)
;; Two newlines: one after the closing paren,
;; and one to leave a blank line.
(newline) (newline)))))
(try-import importer args print)))))
|