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#!/bin/sh
# aside from this initial boilerplate, this is actually -*- scheme -*- code
main='(module-ref (resolve-module '\''(scripts script-entry-point)) '\'main')'
exec ${GUILE-guile} -l $0 -c "(apply $main (command-line))" "$0" "$@"
!#
;;; UpdateMakefiles - to extract part of definitions.mk and copy to individual Makefiles
;;;
;;; Copyright (c) 2009 Openmoko Inc.
;;;
;;; Authors Christopher Hall <hsw@openmoko.com>
;;;
;;; This program 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.
;;;
;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
(define-module (scripts script-entry-point)
:use-module (ice-9 getopt-long)
:use-module (ice-9 rdelim)
:use-module (ice-9 regex)
:use-module (srfi srfi-1)
:export (script-entry-point))
(define-macro (unless cond . body)
`(if (not ,cond) (begin ,@body)))
(define *program* "program-name-here")
(define *debug* #f)
(define *verbose* #f)
(define (usage message)
"Display a usage message"
(if (string? message)
(format #t "error: ~a~%" message))
(format #t "usage: ~a [--verbose] [--debug] --source=file files...~%" *program*)
(exit 1))
(define (main . args)
"Main program"
(set! *program* (second args))
(let* ((parsed-opts (getopt-long (drop args 1)
'((list (single-char #\l) (value #t))
(source (single-char #\s) (value #t))
(verbose (single-char #\v))
(debug (single-char #\d)))))
(source (option-ref parsed-opts 'source #f))
(verbose (option-ref parsed-opts 'verbose #f))
(debug (option-ref parsed-opts 'debug #f))
(files (option-ref parsed-opts '() #f)))
(if debug
(begin
(display parsed-opts)
(newline)))
(set! *debug* debug)
(set! *verbose* verbose)
(unless source (usage "Missing source"))
(if (null? files) (usage "Missing files"))
(if debug
(format #t "source = ~a~%" source))
(for-each (lambda (file)
(if (file-exists? file)
(process-file source file)
(format #t "Ignore non-existant file:~a~%" file))
)
files)))
(define (process-file source file)
(if *verbose*
(format #t "Processing: ~a~%" file))
(let*
((backup-name (string-append file "~"))
(output-port (mkstemp! (string-append file "-XXXXXX")))
(new-name (port-filename output-port)))
(chmod output-port (logand #o666 (lognot (umask))))
(with-input-from-file file
(lambda ()
(copy-to output-port "+++START_UPDATE_MAKEFILE:" #f #f)
(skip-to output-port "---END_UPDATE_MAKEFILE:")
(unless (eof-object? (peek-char))
(begin
(format output-port "# +++START_UPDATE_MAKEFILE: Start of auto included code~%")
(with-input-from-file source
(lambda ()
(skip-to output-port "+++START_COPY:")
(copy-to output-port "---END_COPY:" "#INC: " "#REMARK")))
(format output-port "# ---END_UPDATE_MAKEFILE: End of auto included code~%")))
(copy-remainder output-port)))
(if (file-exists? backup-name)
(delete-file backup-name))
(rename-file file backup-name)
(rename-file new-name file)))
(define (skip-to port match-line)
(while (and (not (eof-object? (peek-char)))
(not (string-contains (read-line) match-line)))))
(define (copy-to port match-line remove-prefix skip-prefix)
(while (and (not (eof-object? (peek-char)))
(let ((line (read-line)))
(if (string-contains line match-line)
#f
(cond
((and remove-prefix (string-prefix? remove-prefix line))
(format port "~a~%" (string-drop line (string-length remove-prefix))))
((and skip-prefix (string-prefix? skip-prefix line))
#t)
(#t
(format port "~a~%" line))))))))
(define (copy-remainder port)
(while (not (eof-object? (peek-char)))
(format port "~a~%" (read-line))))
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