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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Konrad Hinsen <konrad.hinsen@fastmail.net>
;;;
;;; 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 run-script)
#:use-module (guix ui)
#:use-module (guix scripts)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-37)
#:use-module (ice-9 match)
#:export (guix-run-script))
;;; Commentary:
;;;
;;; This command allows to run Guile scripts in an environment
;;; that contains all the modules comprising Guix.
(define %default-options
'())
(define %options
(list (option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix run-script")))
(option '(#\q) #f #f
(lambda (opt name arg result)
(alist-cons 'ignore-dot-guile? #t result)))
(option '(#\L "load-path") #t #f
(lambda (opt name arg result)
;; XXX: Imperatively modify the search paths.
(set! %load-path (cons arg %load-path))
(set! %load-compiled-path (cons arg %load-compiled-path))
result))))
(define (show-help)
(display (G_ "Usage: guix run-script [OPTIONS...] FILE
Run FILE as a Guile script in the Guix execution environment.\n"))
(display (G_ "
-q inhibit loading of ~/.guile"))
(newline)
(display (G_ "
-L, --load-path=DIR prepend DIR to the package module search path"))
(newline)
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-V, --version display version information and exit"))
(newline)
(show-bug-report-information))
(define user-module
;; Module where we execute user code.
(let ((module (resolve-module '(guix-user) #f #f #:ensure #t)))
(beautify-user-module! module)
module))
\f
(define (guix-run-script . args)
(define opts
(args-fold* args %options
(lambda (opt name arg result)
(leave (G_ "~A: unrecognized option~%") name))
(lambda (arg result)
(when (assq 'argument result)
(leave (G_ "~A: extraneous argument~%") arg))
(alist-cons 'argument arg result))
%default-options))
(define script
(or (assq-ref opts 'argument)
(leave (G_ "no script filename specified~%"))))
(define user-config
(and=> (getenv "HOME")
(lambda (home)
(string-append home "/.guile"))))
(with-error-handling
(save-module-excursion
(lambda ()
(set-current-module user-module)
(when (and (not (assoc-ref opts 'ignore-dot-guile?))
user-config
(file-exists? user-config))
(load user-config))
(load script)))))
|