meta/guild.in

   1 #!/bin/sh
   2 # -*- scheme -*-
   3 exec ${GUILE:-@installed_guile@} $GUILE_FLAGS -e '(@@ (guild) main)' -s "$0" "$@"
   4 !#
   5
   6 ;;;; guild --- running scripts bundled with Guile
   7 ;;;; Andy Wingo <wingo@pobox.com> --- April 2009
   8 ;;;;
   9 ;;;;    Copyright (C) 2009, 2010, 2011, 2013, 2014 Free Software Foundation, Inc.
  10 ;;;;
  11 ;;;; This library is free software; you can redistribute it and/or
  12 ;;;; modify it under the terms of the GNU Lesser General Public
  13 ;;;; License as published by the Free Software Foundation; either
  14 ;;;; version 3 of the License, or (at your option) any later version.
  15 ;;;;
  16 ;;;; This library is distributed in the hope that it will be useful,
  17 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 ;;;; Lesser General Public License for more details.
  20 ;;;;
  21 ;;;; You should have received a copy of the GNU Lesser General Public
  22 ;;;; License along with this library; if not, write to the Free
  23 ;;;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 ;;;; Boston, MA 02110-1301 USA
  25
  26 (define-module (guild)
  27   #:use-module (ice-9 getopt-long)
  28   #:use-module (ice-9 command-line)
  29   #:autoload (ice-9 format) (format))
  30
  31 ;; Hack to provide scripts with the bug-report address.
  32 (module-define! the-scm-module
  33                 '%guile-bug-report-address
  34                 "@PACKAGE_BUGREPORT@")
  35
  36
  37 (define *option-grammar*
  38   '((help (single-char #\h))
  39     (version (single-char #\v))))
  40
  41 (define (display-version)
  42   (version-etc "@PACKAGE_NAME@"
  43                (version)
  44                #:command-name "guild"
  45                #:license *LGPLv3+*))
  46
  47 (define (find-script s)
  48   (resolve-module (list 'scripts (string->symbol s)) #:ensure #f))
  49
  50 (define (main args)
  51   (if (defined? 'setlocale)
  52       (catch 'system-error
  53         (lambda ()
  54           (setlocale LC_ALL ""))
  55         (lambda args
  56           (format (current-error-port)
  57                   "warning: failed to install locale: ~a~%"
  58                   (strerror (system-error-errno args))))))
  59
  60   (let* ((options (getopt-long args *option-grammar*
  61                                #:stop-at-first-non-option #t))
  62          (args (option-ref options '() '())))
  63     (cond
  64      ((option-ref options 'help #f)
  65       (apply (module-ref (resolve-module '(scripts help)) 'main) args)
  66       (exit 0))
  67      ((option-ref options 'version #f)
  68       (display-version)
  69       (exit 0))
  70      ((find-script (if (null? args) "help" (car args)))
  71       => (lambda (mod)
  72            (exit (apply (module-ref mod 'main) (if (null? args)
  73                                                    '()
  74                                                    (cdr args))))))
  75      (else
  76       (format (current-error-port)
  77               "guild: unknown script ~s~%" (car args))
  78       (format (current-error-port)
  79               "Try `guild help' for more information.~%")
  80       (exit 1)))))