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guile-tools uses getopt-long

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* meta/guile-tools.in: Use getopt-long.
This commit is contained in:
Andy Wingo 2011-01-27 11:15:01 +01:00
parent a27b0f3682
commit 38a73781e6
1 changed files with 33 additions and 20 deletions
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53
meta/guile-tools.in
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@ -24,7 +24,9 @@ exec guile $GUILE_FLAGS -e '(@@ (guile-tools) main)' -s "$0" "$@"
;;;; Boston, MA 02110-1301 USA ;;;; Boston, MA 02110-1301 USA
(define-module (guile-tools) (define-module (guile-tools)
#:use-module ((srfi srfi-1) #:select (fold append-map))) #:use-module ((srfi srfi-1) #:select (fold append-map))
#:autoload (ice-9 format) (format)
#:use-module (ice-9 getopt-long))
;; Hack to provide scripts with the bug-report address. ;; Hack to provide scripts with the bug-report address.
(module-define! the-scm-module (module-define! the-scm-module
@ -32,6 +34,10 @@ exec guile $GUILE_FLAGS -e '(@@ (guile-tools) main)' -s "$0" "$@"
"@PACKAGE_BUGREPORT@") "@PACKAGE_BUGREPORT@")
(define *option-grammar*
'((help (single-char #\h))
(version (single-char #\v))))
(define (display-help) (define (display-help)
(display "\ (display "\
Usage: guile-tools --version Usage: guile-tools --version
@ -105,24 +111,31 @@ There is NO WARRANTY, to the extent permitted by law.
(and (module-public-interface m) (and (module-public-interface m)
m))) m)))
(define (getopt args grammar)
(catch 'misc-error
(lambda ()
(getopt-long args grammar))
(lambda (k proc fmt args . extra)
(format (current-error-port)
"guile-tools: ~?~%" fmt args)
(format (current-error-port)
"Try `guile-tools --help' for more information.~%")
(exit 1))))
(define (main args) (define (main args)
(setlocale LC_ALL "") (setlocale LC_ALL "")
(cond (let* ((options (getopt args *option-grammar*))
((or (equal? (cdr args) '()) (args (option-ref options '() '())))
(equal? (cdr args) '("list"))) (cond
(list-scripts)) ((option-ref options 'help #f)
((string-prefix? "-" (cadr args)) (display-help)
(let ((option (cadr args))) (exit 0))
(cond ((option-ref options 'version #f)
((equal? option "--help") (display-version)
(display-help) (exit 0))
(exit 0)) ((or (equal? args '())
((equal? option "--version") (equal? args '("list")))
(display-version) (list-scripts))
(exit 0)) (else
(else (let ((mod (find-script (car args))))
(format (current-error-port) "Unrecognized option: ~an" option) (exit (apply (module-ref mod 'main) (cdr args))))))))
(exit 1)))))
(else
(let ((mod (find-script (cadr args))))
(exit (apply (module-ref mod 'main) (cddr args)))))))