diff options
Diffstat (limited to 'guix/scripts/import/hexpm.scm')
-rw-r--r-- | guix/scripts/import/hexpm.scm | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/guix/scripts/import/hexpm.scm b/guix/scripts/import/hexpm.scm new file mode 100644 index 0000000000..eb9a1b0af5 --- /dev/null +++ b/guix/scripts/import/hexpm.scm @@ -0,0 +1,105 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2020, 2022 Hartmut Goebel <h.goebel@crazy-compilers.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 hexpm) + #:use-module (guix ui) + #:use-module (guix utils) + #:use-module (guix scripts) + #:use-module (guix import hexpm) + #:use-module (guix scripts import) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-37) + #:use-module (srfi srfi-71) + #:use-module (ice-9 match) + #:use-module (ice-9 format) + #:export (guix-import-hexpm)) + + +;;; +;;; Command-line options. +;;; + +(define %default-options + '()) + +(define (show-help) + (display (G_ "Usage: guix import hexpm PACKAGE-NAME +Import and convert the hex.pm package for PACKAGE-NAME.\n")) + (display (G_ " + -h, --help display this help and exit")) + (display (G_ " + -V, --version display version information and exit")) + (newline) + (display (G_ " + -r, --recursive import packages recursively")) + (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 hexpm"))) + (option '(#\r "recursive") #f #f + (lambda (opt name arg result) + (alist-cons 'recursive #t result))) + %standard-import-options)) + + +;;; +;;; Entry point. +;;; + +(define (guix-import-hexpm . args) + (define (parse-options) + ;; Return the alist of option values. + (parse-command-line args %options (list %default-options) + #:build-options? #f)) + + (let* ((opts (parse-options)) + (args (filter-map (match-lambda + (('argument . value) + value) + (_ #f)) + (reverse opts)))) + (match args + ((spec) + (with-error-handling + (let ((name version (package-name->name+version spec))) + (if (assoc-ref opts 'recursive) + ;; Recursive import + (map (match-lambda + ((and ('package ('name name) . rest) pkg) + `(define-public ,(string->symbol name) + ,pkg)) + (_ #f)) + (hexpm-recursive-import name version)) + ;; Single import + (let ((sexp (hexpm->guix-package name #:version version))) + (unless sexp + (leave (G_ "failed to download meta-data for package '~a'~%") + spec)) + sexp))))) + (() + (leave (G_ "too few arguments~%"))) + ((many ...) + (leave (G_ "too many arguments~%")))))) |