;;; 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 nx)
  #:use-module (guix build utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix git-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages commencement)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages image)
  #:use-module (gnu packages onc-rpc)
  #:use-module (gnu packages patchutils)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg))

(define-public nx-libs
  (package
    (name "nx-libs")
    (version "3.5.99.27")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/ArcticaProject/nx-libs")
             (commit version)))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0ykbza39ksycpyydaiwwbp7hkmdk96v7b36pn989k39lhfwnn8kz"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f ;; no tests in this project
       #:phases (modify-phases %standard-phases
                  (delete 'configure)
                  (add-before 'build 'replace-shebang-nxdialog
                    (lambda _
                      (substitute* "nxdialog/bin/nxdialog"
                        (("#!/usr/bin/env python")
                         (string-append "#!"
                                        (which "python3"))))))
                  (add-before 'build 'fix-makefile
                    (lambda* (#:key outputs #:allow-other-keys)
                      (let* ((out (assoc-ref outputs "out"))
                             (etc (string-append out "/etc")))
                        (mkdir-p etc)
                        (substitute* "Makefile"
                          (("^gzip -f") "gzip -f -n") ;; reproducible build
                          (("/usr/local")
                           out)
                          (("/etc/nxagent")
                           etc)
                          (("./configure")
                           (string-append "CONFIG_SHELL="
                                          (which "sh")
                                          " SHELL="
                                          (which "sh")
                                          " "
                                          (which "sh")
                                          " ./configure")))
                        (substitute* '("nx-X11/config/cf/site.def")
                          (("#include <host.def>")
                           (string-append "#include <host.def>" "\n"
                                          "#define BourneShell "
                                          (which "sh")))
                          (("/usr/local")
                           out))
                        ;; Workaround the following error during the build
                        ;; process: invalid input: ("_" #<procedure which (program)>)
                        (substitute* '("nx-X11/Makefile")
                          (("which")
                           "echo"))
                        #t)))
                  (replace 'build
                    (lambda _
                      (invoke "make" "IMAKE_DEFINES=\"-DUseTIRPC=1\"") #t))
                  (add-before 'validate-runpath 'link-libraries
                    (lambda* (#:key outputs #:allow-other-keys)
                      (let* ((out (assoc-ref outputs "out"))
                             (lib (string-append out "/lib"))
                             (lib-nx-x11 (string-append lib "/nx/X11")))
                        ;; TODO: Should I use symlink instead of install-file ?
                        (for-each (lambda (file)
                                    (install-file file lib-nx-x11))
                                  (list (string-append lib "/libXcomp.so.3")
                                        (string-append lib
                                                       "/libXcompshad.so.3")
                                        (string-append lib "/libNX_X11.so.6")))
                        #t))))))
    (inputs (list perl
                  python
                  python-pygobject
                  gtk+))
    (native-inputs (list autoconf
                         automake
                         libtool
                         pkg-config
                         libpng
                         libjpeg-turbo
                         xkbcomp
                         libxfont
                         libxdamage
                         libxrandr
                         libxtst
                         libxext
                         libxcomposite
                         libxinerama
                         libxpm
                         libxml2
                         font-util
                         pixman
                         gccmakedep
                         imake
                         quilt
                         libtirpc
                         gcc-toolchain))
    (synopsis "NX remote desktop library")
    (description
     "NX technology also known as NX or NoMachine is a protocol that enables
remote desktop access.  It's maintained by the artica project, x2go
developers and TheQVD.")
    (home-page "https://github.com/ArcticaProject/nx-libs")
    (license license:gpl2)))