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-rw-r--r--guix/scripts/import.scm2
-rw-r--r--guix/scripts/import/go.scm118
2 files changed, 119 insertions, 1 deletions
diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm
index 0a3863f965..1d2b45d942 100644
--- a/guix/scripts/import.scm
+++ b/guix/scripts/import.scm
@@ -77,7 +77,7 @@ rather than \\n."
;;;
(define importers '("gnu" "nix" "pypi" "cpan" "hackage" "stackage" "elpa" "gem"
- "cran" "crate" "texlive" "json" "opam"))
+ "go" "cran" "crate" "texlive" "json" "opam"))
(define (resolve-importer name)
(let ((module (resolve-interface
diff --git a/guix/scripts/import/go.scm b/guix/scripts/import/go.scm
new file mode 100644
index 0000000000..afdba4e8f1
--- /dev/null
+++ b/guix/scripts/import/go.scm
@@ -0,0 +1,118 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Katherine Cox-Buday <cox.katherine.e@gmail.com>
+;;;
+;;; 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 go)
+ #:use-module (guix ui)
+ #:use-module (guix utils)
+ #:use-module (guix scripts)
+ #:use-module (guix import go)
+ #:use-module (guix scripts import)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-37)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 format)
+ #:export (guix-import-go))
+
+
+;;;
+;;; Command-line options.
+;;;
+
+(define %default-options
+ '())
+
+(define (show-help)
+ (display (G_ "Usage: guix import go PACKAGE-PATH
+Import and convert the Go module for PACKAGE-PATH.\n"))
+ (display (G_ "
+ -h, --help display this help and exit"))
+ (display (G_ "
+ -V, --version display version information and exit"))
+ (display (G_ "
+ -r, --recursive generate package expressions for all Go modules\
+ that are not yet in Guix"))
+ (display (G_ "
+ -p, --goproxy=GOPROXY specify which goproxy server to use"))
+ (newline)
+ (show-bug-report-information))
+
+(define %options
+ ;; Specification of the command-line options.
+ (cons* (option '(#\h "help") #f #f
+ (lambda args
+ (show-help)
+ (exit 0)))
+ (option '(#\V "version") #f #f
+ (lambda args
+ (show-version-and-exit "guix import go")))
+ (option '(#\r "recursive") #f #f
+ (lambda (opt name arg result)
+ (alist-cons 'recursive #t result)))
+ (option '(#\p "goproxy") #t #f
+ (lambda (opt name arg result)
+ (alist-cons 'goproxy
+ (string->symbol arg)
+ (alist-delete 'goproxy result))))
+ %standard-import-options))
+
+
+;;;
+;;; Entry point.
+;;;
+
+(define (guix-import-go . args)
+ (define (parse-options)
+ ;; Return the alist of option values.
+ (args-fold* args %options
+ (lambda (opt name arg result)
+ (leave (G_ "~A: unrecognized option~%") name))
+ (lambda (arg result)
+ (alist-cons 'argument arg result))
+ %default-options))
+
+ (let* ((opts (parse-options))
+ (args (filter-map (match-lambda
+ (('argument . value)
+ value)
+ (_ #f))
+ (reverse opts))))
+ (match args
+ ((module-name)
+ (if (assoc-ref opts 'recursive)
+ (map (match-lambda
+ ((and ('package ('name name) . rest) pkg)
+ `(define-public ,(string->symbol name)
+ ,pkg))
+ (_ #f))
+ (go-module-recursive-import module-name
+ #:goproxy-url
+ (or (assoc-ref opts 'goproxy)
+ "https://proxy.golang.org")))
+ (let ((sexp (go-module->guix-package module-name
+ #:goproxy-url
+ (or (assoc-ref opts 'goproxy)
+ "https://proxy.golang.org"))))
+ (unless sexp
+ (leave (G_ "failed to download meta-data for module '~a'~%")
+ module-name))
+ sexp)))
+ (()
+ (leave (G_ "too few arguments~%")))
+ ((many ...)
+ (leave (G_ "too many arguments~%"))))))