;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages rabbitmq)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix download)
  #:use-module (guix packages)
  #:use-module (gnu packages base)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages rsync)
  #:use-module (gnu packages erlang)
  #:use-module (gnu packages elixir)
  #:use-module (gnu packages python))

(define-public rabbitmq
  (package
    (name "rabbitmq")
    (version "3.7.7")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/rabbitmq/rabbitmq-server/releases/download/v"
                    version
                    "/rabbitmq-server-" version ".tar.xz"))
              (file-name (string-append name "-" version ".tar.xz"))
              (sha256
               (base32
                "0cal4ss981i5af7knjkz3jqmz25nd4pfppay163q6xk2llxrcj9m"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-source
           (lambda* (#:key inputs #:allow-other-keys)
             (substitute* "deps/rabbit_common/src/vm_memory_monitor.erl"
               (("getconf") (string-append (assoc-ref inputs "glibc")
                                           "/bin/getconf")))
             (substitute* "deps/rabbit/src/rabbit_disk_monitor.erl"
               (("os:find_executable\\(\"df\"\\)")
                (string-append "\"" (which "df") "\"")))
             #t))
         (delete 'configure)
         (delete 'check)
         (add-after 'install 'patch-scripts
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out")))
               (substitute* (string-append out "/sbin/rabbitmq-server")
                 (("uname") (which "uname"))
                 (("mkdir") (which "mkdir"))
                 (("cp ") (string-append (which "cp") " "))
                 (("\\$\\{ERL\\_DIR\\}") (string-append (dirname (which "erl"))
                                                        "/"))
                 (("dirname") (which "dirname")))
               (substitute* (string-append out "/sbin/rabbitmq-env")
                 (("dirname") (which "dirname"))
                 (("\\$\\{ERL\\_DIR\\}") (string-append (dirname (which "erl"))
                                                        "/"))
                 (("\\| tr") (string-append "| " (which "tr")))
                 (("basename") (which "basename"))
                 (("sed") (which "sed")))
               #t))))
       #:make-flags
       (list (string-append "RMQ_ERLAPP_DIR=" (assoc-ref %outputs "out")))))
    (native-inputs
     `(("erlang" ,erlang)
       ("elixir" ,elixir)
       ("python" ,python-wrapper)
       ("libxslt" ,libxslt)
       ("rsync" ,rsync)
       ("glibc",glibc)
       ("zip" ,zip)))
    (home-page "http://www.rabbitmq.com/")
    (synopsis "TODO")
    (description "TODO")
    (license "TODO")))