#!/bin/sh
# -*- scheme -*-
exec ${GUILE:-/usr/bin/guile} $GUILE_FLAGS -e '(@@ (guild) main)' -s "$0" "$@"
!#
;;;; guild --- running scripts bundled with Guile
;;;; Andy Wingo <wingo@pobox.com> --- April 2009
;;;;
;;;; Copyright (C) 2009, 2010, 2011, 2013, 2014 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free
;;;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;;;; Boston, MA 02110-1301 USA
(define-module (guild)
#:use-module (ice-9 getopt-long)
#:use-module (ice-9 command-line)
#:autoload (ice-9 format) (format))
;; Hack to provide scripts with the bug-report address.
(module-define! the-scm-module
'%guile-bug-report-address
"bug-guile@gnu.org")
(define *option-grammar*
'((help (single-char #\h))
(version (single-char #\v))))
(define (display-version)
(version-etc "GNU Guile"
(version)
#:command-name "guild"
#:license *LGPLv3+*))
(define (find-script s)
(resolve-module (list 'scripts (string->symbol s)) #:ensure #f))
(define (main args)
(if (defined? 'setlocale)
(catch 'system-error
(lambda ()
(setlocale LC_ALL ""))
(lambda args
(format (current-error-port)
"warning: failed to install locale: ~a~%"
(strerror (system-error-errno args))))))
(let* ((options (getopt-long args *option-grammar*
#:stop-at-first-non-option #t))
(args (option-ref options '() '())))
(cond
((option-ref options 'help #f)
(apply (module-ref (resolve-module '(scripts help)) 'main) args)
(exit 0))
((option-ref options 'version #f)
(display-version)
(exit 0))
((find-script (if (null? args) "help" (car args)))
=> (lambda (mod)
(exit (apply (module-ref mod 'main) (if (null? args)
'()
(cdr args))))))
(else
(format (current-error-port)
"guild: unknown script ~s~%" (car args))
(format (current-error-port)
"Try `guild help' for more information.~%")
(exit 1)))))
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