;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Andy Wingo <wingo@pobox.com>
;;;
;;; 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 elogind)
  #:use-module ((guix licenses) #:select (lgpl2.1+))
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages base)
  #:use-module (gnu packages docbook)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages gperf)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages xml))

(define-public elogind
  (let ((commit "b952404"))
    (package
      (name "elogind")
      (version (string-append "216." commit))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/andywingo/elogind")
                      ; (url "file:///home/wingo/src/elogind")
                      (commit commit)))
                (sha256
                 (base32
                  "0h54jw7h8csgfcjnyhijpmic5511jj0z5ln03p0b0mx0gvm11lsa"))))
      (build-system gnu-build-system)
      (arguments
       `(#:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'autogen
                      (lambda _
                        (and (zero? (system* "intltoolize" "--force" "--automake"))
                             (zero? (system* "autoreconf" "-vif")))))
           (add-before 'build 'fix-docbook
                       (lambda* (#:key inputs #:allow-other-keys)
                         (substitute* "man/custom-html.xsl"
                           (("http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl")
                            (string-append (assoc-ref inputs "docbook-xsl") 
                                           "/xml/xsl/docbook-xsl-"
                                           ,(package-version docbook-xsl)
                                           "/html/docbook.xsl")))
                         (substitute* "man/custom-man.xsl"
                           (("http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl")
                            (string-append (assoc-ref inputs "docbook-xsl") 
                                           "/xml/xsl/docbook-xsl-"
                                           ,(package-version docbook-xsl)
                                           "/manpages/docbook.xsl")))
                         #;
                         (setenv "XML_CATALOG_FILES" 
                                 (string-append (assoc-ref inputs "docbook-xml") 
                                                "/xml/dtd/docbook/catalog.xml"))
                         #t)))))
      (native-inputs
       `(("intltool" ,intltool)
         ("gettext" ,gnu-gettext)
         ("docbook-xsl" ,docbook-xsl)
         ("xsltproc" ,libxslt)
         ("pkg-config", pkg-config)
         ("autoconf" ,autoconf)
         ("automake" ,automake)
         ("libtool" ,libtool)
         ("gperf" ,gperf)
         ))
      (inputs
       `(("linux-pam" ,linux-pam)
         ("linux-libre-headers" ,linux-libre-headers)
         ("libcap" ,libcap)
         ("dbus" ,dbus)
         ("eudev" ,eudev)
         ))
      (home-page "https://github.com/andywingo/elogind")
      (synopsis "User, seat, and session management service")
      (description "Elogind is the systemd project's \"logind\" service,
extracted out as a separate project.  Elogind integrates with PAM to provide
the org.freedesktop.login1 interface over the system bus, allowing other parts
of a the system to know what users are logged in, and where.")
      (license lgpl2.1+))))