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#!@GUILE@ --no-auto-compile
-*- scheme -*-
-*- geiser-scheme-implementation: guile -*-
!#
;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of guix-data-service.
;;;
;;; guix-data-service 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.
;;;
;;; guix-data-service 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 the guix-data-service.  If not, see
;;; <http://www.gnu.org/licenses/>.

(use-modules (srfi srfi-1)
             (srfi srfi-37)
             (system repl server)
             (guix-data-service web server))

(define %default-repl-server-port
  ;; Default port to run REPL server on, if --listen-repl is provided
  ;; but no port is mentioned
  37146)

(define %options
  ;; Specifications of the command-line options
  (list (option '("listen-repl") #f #t
                (lambda (opt name arg result)
                  (let ((port (cond (arg => string->number)
                                    (else %default-repl-server-port))))
                    (if port
                        (alist-cons 'listen-repl port
                                    (alist-delete 'listen-repl result))
                        (error "invalid REPL server port" arg)))))))

(define %default-options
  ;; Alist of default option values
  `((listen-repl . #f)))

(define (parse-options args)
  (args-fold
   args %options
   (lambda (opt name arg result)
     (error "unrecognized option" name))
   (lambda (arg result)
     (error "extraneous argument" arg))
   %default-options))

(let ((opts (parse-options (cdr (program-arguments)))))
  (let ((repl-port (assoc-ref opts 'listen-repl)))
    (when repl-port
      (spawn-server (make-tcp-server-socket #:port repl-port)))))

(start-guix-data-service-web-server 8765)