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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)
             (guix-data-service database)
             (guix-data-service jobs))

(setvbuf (current-output-port) 'line)
(setvbuf (current-error-port) 'line)

(define %options
  ;; Specifications of the command-line options
  (list (option '("max-processes") #t #f
                (lambda (opt name arg result)
                  (alist-cons 'max-processes
                              (string->number arg)
                              result)))))

(define %default-options
  ;; Alist of default option values
  `((max-processes . ,default-max-processes)))

(define (parse-options args)
  (args-fold
   args %options
   (lambda (opt name arg result)
     (error "unrecognized option" name))
   (lambda (arg result)
     (alist-cons
      'revision-commits
      (cons arg
            (or (assoc-ref result 'revision-commits)
                '()))
      (alist-delete 'revision-commits result)))
   %default-options))

(let ((opts (parse-options (cdr (program-arguments)))))
  (with-postgresql-connection
   "process-jobs"
   (lambda (conn)
     (simple-format #t "Ready to process jobs...\n")
     (process-jobs conn
                   #:max-processes (assq-ref opts 'max-processes)))))