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83f8b6d32c
This allows importing packages with complicated version specific dependency chains without the package symbol names colliding. * doc/guix.texi (Invoking guix import): Document the --pin-versions option. Mention that a specific version can be imported. Remove the experimental warning. * guix/import/go.scm (go-module->guix-package-name)[version]: Add optional argument. Rewrite the character translation in terms of string-map. (go-module->guix-package): Conditionally use dependencies whose symbol include their version, based no the value of the PIN-VERSIONS? argument. * guix/import/utils.scm (package->definition): Add a new case where the full version string is appended to the package symbol. * guix/scripts/import.scm (guix-import): Correctly print forms starting with '(define-public [...]'. * guix/scripts/import/go.scm (guix-import-go): Conditionally include the version in the package symbols defined.
127 lines
4.7 KiB
Scheme
127 lines
4.7 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2020 Katherine Cox-Buday <cox.katherine.e@gmail.com>
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;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.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 scripts import go)
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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 go)
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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-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 match)
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#:use-module (ice-9 format)
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#:use-module (ice-9 receive)
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#:export (guix-import-go))
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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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'((goproxy . "https://proxy.golang.org")))
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(define (show-help)
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(display (G_ "Usage: guix import go PACKAGE-PATH[@VERSION]
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Import and convert the Go module for PACKAGE-PATH. Optionally, a version
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can be specified after the arobas (@) character.\n"))
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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 generate package expressions for all Go modules
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that are not yet in Guix"))
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(display (G_ "
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-p, --goproxy=GOPROXY specify which goproxy server to use"))
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(display (G_ "
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--pin-versions use the exact versions of a module's dependencies"))
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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 '(#\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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(option '(#\p "goproxy") #t #f
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(lambda (opt name arg result)
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(alist-cons 'goproxy
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(string->symbol arg)
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(alist-delete 'goproxy result))))
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(option '("pin-versions") #f #f
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(lambda (opt name arg result)
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(alist-cons 'pin-versions? #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-go . args)
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(define (parse-options)
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;; Return the alist of option values.
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(args-fold* args %options
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(lambda (opt name arg result)
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(leave (G_ "~A: unrecognized option~%") name))
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(lambda (arg result)
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(alist-cons 'argument arg result))
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%default-options))
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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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;; Append the full version to the package symbol name when using
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;; pinned versions.
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(package->definition* (if (assoc-ref opts 'pin-versions?)
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(cut package->definition <> 'full)
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package->definition)))
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(match args
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((spec) ;e.g., github.com/golang/protobuf@v1.3.1
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(receive (name version)
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(package-name->name+version spec)
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(let ((arguments (list name
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#:goproxy (assoc-ref opts 'goproxy)
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#:version version
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#:pin-versions?
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(assoc-ref opts 'pin-versions?))))
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(if (assoc-ref opts 'recursive)
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;; Recursive import.
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(map package->definition*
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(apply go-module-recursive-import arguments))
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;; Single import.
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(let ((sexp (apply go-module->guix-package arguments)))
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(unless sexp
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(leave (G_ "failed to download meta-data for module '~a'~%")
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module-name))
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(package->definition* 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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