;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
;;; Copyright © 2015 Siniša Biđin <sinisa@bidin.eu>
;;; Copyright © 2015, 2016 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2015 xd1le <elisp.vim@gmail.com>
;;; Copyright © 2015 Paul van der Walt <paul@denknerd.org>
;;; Copyright © 2016 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016 Al McElrath <hello@yrns.org>
;;; Copyright © 2016 Carlo Zancanaro <carlo@zancanaro.id.au>
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 ng0 <ng0@libertad.pw>
;;; Copyright © 2016 doncatnip <gnopap@gmail.com>
;;; Copyright © 2016 Ivan Vilata i Balaguer <ivan@selidor.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 wm)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (gnu packages)
  #:use-module (gnu packages linux)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system haskell)
  #:use-module (guix build-system python)
  #:use-module (gnu packages haskell)
  #:use-module (gnu packages base)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pulseaudio)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages documentation)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages m4)
  #:use-module (gnu packages docbook)
  #:use-module (gnu packages image)
  #:use-module (gnu packages pcre)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages libevent)
  #:use-module (gnu packages fribidi)
  #:use-module (gnu packages maths)
  #:use-module (gnu packages web)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages freedesktop)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gperf)
  #:use-module (gnu packages imagemagick)
  #:use-module (gnu packages lua)
  #:use-module (gnu packages suckless)
  #:use-module (guix download)
  #:use-module (guix git-download))

(define-public libconfuse
  (package
    (name "libconfuse")
    (version "2.7")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://savannah.nongnu.org/download/confuse/"
                                  "confuse-" version ".tar.gz"))
              (sha256
               (base32
                "0y47r2ashz44wvnxdb18ivpmj8nxhw3y9bf7v9w0g5byhgyp89g3"))))
    (build-system gnu-build-system)
    (home-page "http://www.nongnu.org/confuse/")
    (synopsis "Configuration file parser library")
    (description "libconfuse is a configuration file parser library.  It
supports sections and (lists of) values (strings, integers, floats, booleans
or other sections), as well as some other features (such as
single/double-quoted strings, environment variable expansion, functions and
nested include statements).")
    (license license:isc)))

(define-public bspwm
  (package
    (name "bspwm")
    (version "0.9")
    (source
     (origin
       (file-name (string-append name "-" version ".tar.gz"))
       (method url-fetch)
       (uri (string-append
             "https://github.com/baskerville/bspwm/archive/"
             version ".tar.gz"))
       (sha256
        (base32
         "1pig0h2jk8wipyz90j69c4bk37bfyq60asnn0v0bqld2p2vjvyqy"))))
    (build-system gnu-build-system)
    (inputs
     `(("libxcb" ,libxcb)
       ("libxinerama" ,libxinerama)
       ("sxhkd" ,sxhkd)
       ("xcb-util" ,xcb-util)
       ("xcb-util-keysyms" ,xcb-util-keysyms)
       ("xcb-util-wm" ,xcb-util-wm)))
    (arguments
     '(#:phases (alist-delete 'configure %standard-phases)
       #:tests? #f  ; no check target
       #:make-flags (list "CC=gcc"
                          (string-append "PREFIX=" %output))))
    (home-page "https://github.com/baskerville/bspwm")
    (synopsis "Tiling window manager based on binary space partitioning")
    (description "bspwm is a tiling window manager that represents windows as
the leaves of a full binary tree.")
    (license license:bsd-2)))

(define-public i3status
  (package
    (name "i3status")
    (version "2.10")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://i3wm.org/i3status/i3status-"
                                  version ".tar.bz2"))
              (sha256
               (base32
                "1497dsvb32z9xljmxz95dnyvsbayn188ilm3l4ys8m5h25vd1xfs"))))
    (build-system gnu-build-system)
    (arguments
     `(#:make-flags (list "CC=gcc" (string-append "PREFIX=" %output))
       #:phases
       (modify-phases %standard-phases
         (delete 'configure))
       #:tests? #f)) ; no test suite
    (inputs
     `(("openlibm" ,openlibm)
       ("libconfuse" ,libconfuse)
       ("libyajl" ,libyajl)
       ("alsa-lib" ,alsa-lib)
       ("pulseaudio" ,pulseaudio)
       ("libnl" ,libnl)
       ("libcap" ,libcap)
       ("asciidoc" ,asciidoc)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (home-page "https://i3wm.org/i3status/")
    (synopsis "Status bar for i3bar, dzen2, xmobar or similar programs")
    (description "i3status is a small program for generating a status bar for
i3bar, dzen2, xmobar or similar programs.  It is designed to be very efficient
by issuing a very small number of system calls, as one generally wants to
update such a status line every second.  This ensures that even under high
load, your status bar is updated correctly.  Also, it saves a bit of energy by
not hogging your CPU as much as spawning the corresponding amount of shell
commands would.")
    (license license:bsd-3)))

(define-public i3-wm
  (package
    (name "i3-wm")
    (version "4.13")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://i3wm.org/downloads/i3-"
                                  version ".tar.bz2"))
              (sha256
               (base32
                "12ngz32swh9n85xy0cz1lq16aqi9ys5hq19v589q9a97wn1k3hcl"))))
    (build-system gnu-build-system)
    (arguments
     `(#:make-flags
       (let* ((docbook-xsl-name-version ,(string-append
                                          (package-name docbook-xsl) "-"
                                          (package-version  docbook-xsl)))
              (docbook-xsl-catalog-file (string-append
                                         (assoc-ref %build-inputs "docbook-xsl")
                                         "/xml/xsl/"
                                         docbook-xsl-name-version
                                         "/catalog.xml"))
              (docbook-xml-catalog-file (string-append
                                         (assoc-ref %build-inputs "docbook-xml")
                                         "/xml/dtd/docbook/catalog.xml")))
         ;; Reference the catalog files required to build the manpages.
         (list (string-append "XML_CATALOG_FILES=" docbook-xsl-catalog-file " "
                              docbook-xml-catalog-file)
              "CC=gcc"
              (string-append "PREFIX=" %output)
              ;; This works around the following error:
              ;; 'error: ‘for’ loop initial declarations are only allowed in C99
              ;; or C11 mode'
              "CFLAGS=-std=c11"))
       ;; The build system tries to build in a separate directory, but that
       ;; seems to be unnecessary.
       #:configure-flags '("--disable-builddir")
       ;; The test suite appears to require the unpackaged Perl module AnyEvent.
       #:tests? #f))
    (inputs
     `(("libxcb" ,libxcb)
       ("xcb-util" ,xcb-util)
       ("xcb-util-cursor" ,xcb-util-cursor)
       ("xcb-util-keysyms" ,xcb-util-keysyms)
       ("xcb-util-wm" ,xcb-util-wm)
       ("xcb-util-xrm" ,xcb-util-xrm)
       ("libxkbcommon" ,libxkbcommon)
       ("libev" ,libev)
       ("libyajl" ,libyajl)
       ("asciidoc" ,asciidoc)
       ("xmlto" ,xmlto)
       ("perl-pod-simple" ,perl-pod-simple)
       ("docbook-xml" ,docbook-xml)
       ("libx11" ,libx11)
       ("pcre" ,pcre)
       ("startup-notification" ,startup-notification)
       ("pango" ,pango)
       ("cairo" ,cairo)))
    (native-inputs
     `(("which" ,which)
       ("perl" ,perl)
       ("pkg-config" ,pkg-config)
       ;; For building the documentation.
       ("docbook-xsl" ,docbook-xsl)))
    (home-page "https://i3wm.org/")
    (synopsis "Improved tiling window manager")
    (description "A tiling window manager, completely written
from scratch.  i3 is primarily targeted at advanced users and
developers.")
    (license license:bsd-3)))

(define-public python-i3-py
  (package
    (name "python-i3-py")
    (version "0.6.5")
    (source
     (origin
       ;; The latest release is not tagged in Git nor has an entry in PyPi,
       ;; but there is still a clear commit for it, and it's been the last one
       ;; for years.
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/ziberna/i3-py.git")
             (commit "27f88a616e9ecc340e7d041d3d00782f8a1964c1")))
       (sha256
        (base32
         "1nm719dc2xqlll7vj4c4m7mpjb27lpn3bg3c66gajvnrz2x1nmxs"))
       (file-name (string-append name "-" version "-checkout"))))
    (build-system python-build-system)
    (arguments
     `(#:tests? #f ; no tests yet
       #:phases (modify-phases %standard-phases
                  (add-after 'install 'install-doc
                    ;; Copy readme file to documentation directory.
                    (lambda* (#:key outputs #:allow-other-keys)
                      (let ((doc (string-append (assoc-ref outputs "out")
                                                "/share/doc/" ,name)))
                        (install-file "README.md" doc)
                        ;; Avoid unspecified return value.
                        #t))))))
    (propagated-inputs
     `(("i3-wm" ,i3-wm)))
    (home-page "https://github.com/ziberna/i3-py")
    (synopsis "Python interface to the i3 window manager")
    (description "This package allows you to interact from a Python program
with the i3 window manager via its IPC socket.  It can send commands and other
kinds of messages to i3, select the affected containers, filter results and
subscribe to events.")
    (license license:gpl3+)))

(define-public python2-i3-py
  (package-with-python2 python-i3-py))

(define-public quickswitch-i3
  (let ((commit "ed692b1e8f43b95bd907ced26238ce8ccb2ed28f")
        (revision "1")) ; Guix package revision
    (package
      (name "quickswitch-i3")
      (version (string-append "2.2-" revision "."
                              (string-take commit 7)))
      (source
       (origin
         ;; The latest commit is a few years old and just a couple commits
         ;; after the last tagged release, so we use that latest commit
         ;; instead of the release.
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/proxypoke/quickswitch-for-i3.git")
               (commit commit)))
         (sha256
          (base32
           "0447077sama80jcdg5p64zjsvafmz5rbdrirhm1adcdjhkh6iqc5"))
         (patches (search-patches "quickswitch-fix-dmenu-check.patch"))
         (file-name (string-append name "-" version "-checkout"))))
      (build-system python-build-system)
      (arguments
       `(#:tests? #f ; no tests yet
         #:phases (modify-phases %standard-phases
                    (add-after 'install 'install-doc
                      ;; Copy readme file to documentation directory.
                      (lambda* (#:key outputs #:allow-other-keys)
                        (let ((doc (string-append (assoc-ref outputs "out")
                                                  "/share/doc/" ,name)))
                          (install-file "README.rst" doc)
                          ;; Avoid unspecified return value.
                          #t))))))
      (inputs
       `(("python-i3-py" ,python-i3-py)
         ("dmenu" ,dmenu)))
      (home-page "https://github.com/proxypoke/quickswitch-for-i3")
      (synopsis "Quickly change to and locate windows in the i3 window manager")
      (description
       "This utility for the i3 window manager allows you to quickly switch to
and locate windows on all your workspaces, using an interactive dmenu
prompt.")
      (license (license:non-copyleft "http://www.wtfpl.net/txt/copying/")))))

(define-public xmonad
  (package
    (name "xmonad")
    (version "0.11.1")
    (synopsis "Tiling window manager")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://hackage/package/xmonad/"
                                  name "-" version ".tar.gz"))
              (sha256
               (base32
                "1pfjssamiwpwjp1qqkm9m9p9s35pv381m0cwg6jxg0ppglibzq1r"))
              (modules '((guix build utils)))
              (snippet
               ;; Here we update the constraints on the utf8-string package in
               ;; the Cabal file.  We allow a newer version which is compatible
               ;; with GHC 7.10.2.  The same change is applied on Hackage.  See
               ;; <https://hackage.haskell.org/package/xmonad-0.11.1/revisions/>.
               '(substitute* "xmonad.cabal"
                  (("utf8-string >= 0.3 && < 0.4")
                   "utf8-string >= 0.3 && < 1.1")))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-mtl" ,ghc-mtl)
       ("ghc-utf8-string" ,ghc-utf8-string)
       ("ghc-extensible-exceptions" ,ghc-extensible-exceptions)
       ("ghc-x11" ,ghc-x11)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after
          'install 'install-xsession
          (lambda _
            (let* ((xsessions (string-append %output "/share/xsessions")))
              (mkdir-p xsessions)
              (call-with-output-file
                  (string-append xsessions "/xmonad.desktop")
                (lambda (port)
                  (format port "~
                    [Desktop Entry]~@
                    Name=~a~@
                    Comment=~a~@
                    Exec=~a/bin/xmonad~@
                    Type=Application~%" ,name ,synopsis %output)))))))))
    (home-page "http://xmonad.org")
    (description
     "Xmonad is a tiling window manager for X.  Windows are arranged
automatically to tile the screen without gaps or overlap, maximising screen
use.  All features of the window manager are accessible from the keyboard: a
mouse is strictly optional.  Xmonad is written and extensible in Haskell.
Custom layout algorithms, and other extensions, may be written by the user in
config files.  Layouts are applied dynamically, and different layouts may be
used on each workspace.  Xinerama is fully supported, allowing windows to be
tiled on several screens.")
    (license license:bsd-3)))

(define-public ghc-xmonad-contrib
  (package
    (name "ghc-xmonad-contrib")
    (version "0.11.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "mirror://hackage/package/xmonad-contrib/"
                           "xmonad-contrib-" version ".tar.gz"))
       (sha256
        (base32
         "1g5cw9vvnfbiyi599fngk02zlmdhrf82x0bndhypkn6kybab6yd3"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-mtl" ,ghc-mtl)
       ("ghc-old-time" ,ghc-old-time)
       ("ghc-random" ,ghc-random)
       ("ghc-utf8-string" ,ghc-utf8-string)
       ("ghc-extensible-exceptions" ,ghc-extensible-exceptions)
       ("ghc-x11" ,ghc-x11)
       ("ghc-x11-xft" ,ghc-x11-xft)
       ("xmonad" ,xmonad)))
    (home-page "http://xmonad.org")
    (synopsis "Third party extensions for xmonad")
    (description
     "Third party tiling algorithms, configurations, and scripts to Xmonad, a
tiling window manager for X.")
    (license license:bsd-3)))

(define-public evilwm
  (package
    (name "evilwm")
    (version "1.1.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://www.6809.org.uk/evilwm/evilwm-"
                           version ".tar.gz"))
       (sha256
        (base32
         "0ak0yajzk3v4dg5wmaghv6acf7v02a4iw8qxmq5yw5ard8lrqn3r"))
       (patches (search-patches "evilwm-lost-focus-bug.patch"))))
    (build-system gnu-build-system)
    (inputs
     `(("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxrandr" ,libxrandr)))
    (arguments
     `(#:modules ((srfi srfi-26)
                  (guix build utils)
                  (guix build gnu-build-system))
       #:make-flags (let ((inputs (map (cut assoc-ref %build-inputs <>)
                                       '("libx11" "libxext" "libxrandr")))
                          (join (lambda (proc strs)
                                  (string-join (map proc strs) " ")))
                          (dash-I (cut string-append "-I" <> "/include"))
                          (dash-L (cut string-append "-L" <> "/lib")))
                      `("desktopfilesdir=$(prefix)/share/xsessions"
                        ,(string-append "prefix=" (assoc-ref %outputs "out"))
                        ,(string-append "CPPFLAGS=" (join dash-I inputs))
                        ,(string-append "LDFLAGS=" (join dash-L inputs))))
       #:tests? #f                      ;no tests
       #:phases (modify-phases %standard-phases
                  (delete 'configure)))) ;no configure script
    (home-page "http://www.6809.org.uk/evilwm/")
    (synopsis "Minimalist window manager for the X Window System")
    (description
     "evilwm is a minimalist window manager based on aewm, extended to feature
many keyboard controls with repositioning and maximize toggles, solid window
drags, snap-to-border support, and virtual desktops.")
    (license (license:x11-style "file:///README"))))

(define-public fluxbox
  (package
    (name "fluxbox")
    (version "1.3.7")
    (synopsis "Small and fast window manager")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/fluxbox/fluxbox/"
                                  version "/fluxbox-" version ".tar.xz"))
              (sha256
               (base32
                "1h1f70y40qd225dqx937vzb4k2cz219agm1zvnjxakn5jkz7b37w"))))
    (build-system gnu-build-system)
    (arguments
     `(#:make-flags '("CPPFLAGS=-U__TIME__") ;ugly, but for reproducibility
       #:phases
       (modify-phases %standard-phases
         (add-after
          'install 'install-xsession
          (lambda _
            (let ((xsessions (string-append %output "/share/xsessions")))
              (mkdir-p xsessions)
              (call-with-output-file
                  (string-append xsessions "/fluxbox.desktop")
                (lambda (port)
                  (format port "~
                    [Desktop Entry]~@
                    Name=~a~@
                    Comment=~a~@
                    Exec=~a/bin/startfluxbox~@
                    Type=Application~%" ,name ,synopsis %output)))))))))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("freetype" ,freetype)
       ("fribidi" ,fribidi)
       ("imlib2" ,imlib2)
       ("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxft" ,libxft)
       ("libxinerama" ,libxinerama)
       ("libxpm"  ,libxpm)
       ("libxrandr" ,libxrandr)
       ("libxrender" ,libxrender)))
    (description "Fluxbox is a window manager.  It is light on resources
and easy to handle yet full of features to make an easy and fast desktop
experience.")
    (home-page "http://fluxbox.org/")
    (license license:expat)))

(define-public awesome
  (package
    (name "awesome")
    (version "4.0")
    (source
     (origin (method url-fetch)
             (uri (string-append
                   "https://github.com/awesomeWM/awesome-releases/raw/"
                   "master/awesome-" version ".tar.xz"))
             (sha256
              (base32
               "0czkcz67sab63gf5m2p2pgg05yinjx60hfb9rfyzdkkg28q9f02w"))
             (modules '((guix build utils)
                        (srfi srfi-19)))
             (snippet
              ;; Remove non-reproducible timestamp and use the date of the
              ;; source file instead.
              '(substitute* "common/version.c"
                 (("__DATE__ \" \" __TIME__")
                  (date->string
                   (time-utc->date
                    (make-time time-utc 0
                               (stat:mtime (stat "awesome.c"))))
                   "\"~c\""))))
             (patches (search-patches "awesome-reproducible-png.patch"))))
    (build-system cmake-build-system)
    (native-inputs `(("asciidoc" ,asciidoc)
                     ("docbook-xsl" ,docbook-xsl)
                     ("doxygen" ,doxygen)
                     ("gperf" ,gperf)
                     ("imagemagick" ,imagemagick)
                     ("libxml2" ,libxml2)         ;for XML_CATALOG_FILES
                     ("pkg-config" ,pkg-config)
                     ("xmlto" ,xmlto)))
    (inputs `(("cairo" ,cairo)
              ("dbus" ,dbus)
              ("gdk-pixbuf" ,gdk-pixbuf)
              ("glib" ,glib)
              ("gobject-introspection" ,gobject-introspection)
              ("imlib2" ,imlib2)
              ("libev" ,libev)
              ("libxcb" ,libxcb)
              ("libxcursor" ,libxcursor)
              ("libxdg-basedir" ,libxdg-basedir)
              ("libxkbcommon" ,libxkbcommon)
              ("lua" ,lua)
              ("lua-lgi",lua-lgi)
              ("pango" ,pango)
              ("startup-notification" ,startup-notification)
              ("xcb-util" ,xcb-util)
              ("xcb-util-cursor" ,xcb-util-cursor)
              ("xcb-util-image" ,xcb-util-image)
              ("xcb-util-keysyms" ,xcb-util-keysyms)
              ("xcb-util-renderutil" ,xcb-util-renderutil)
              ("xcb-util-xrm" ,xcb-util-xrm)
              ("xcb-util-wm" ,xcb-util-wm)))
    (arguments
     `(;; Let compression happen in our 'compress-documentation' phase so that
       ;; '--no-name' is used, which removes timestamps from gzip output.
       #:configure-flags '("-DCOMPRESS_MANPAGES=off")

       #:phases
       (modify-phases %standard-phases
         (add-before 'build 'xmlto-skip-validation
           (lambda _
             ;; We can't download the necessary schema, so so skip
             ;; validation and assume they're valid.
             (substitute* "../build/CMakeFiles/man.dir/build.make"
               (("/xmlto")
                (string-append "/xmlto --skip-validation")))
             #t))
         (add-before 'configure 'set-lua-paths
           (lambda* (#:key inputs #:allow-other-keys)
             ;; The build process needs to load cairo dynamically.
             (let* ((cairo (string-append
                             (assoc-ref inputs "cairo") "/lib" ))
                    (lua-lgi (assoc-ref inputs "lua-lgi") ))
               (setenv "LD_LIBRARY_PATH" cairo )
               (setenv "LUA_PATH" (string-append lua-lgi
                                                 "/share/lua/5.2/?.lua"))
               (setenv "LUA_CPATH" (string-append lua-lgi
                                                  "/lib/lua/5.2/?.so"))
               #t)))
         (replace 'check
           (lambda _
             ;; There aren't any tests, so just make sure the binary
             ;; gets built and can be run successfully.
             (zero? (system* "../build/awesome" "-v"))))
         (add-after 'install 'wrap
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (let* ((awesome (assoc-ref outputs "out"))
                    (cairo (string-append
                             (assoc-ref inputs "cairo") "/lib" ))
                    (lua-lgi (assoc-ref inputs "lua-lgi") ))
               (wrap-program (string-append awesome "/bin/awesome")
                 `("GI_TYPELIB_PATH" ":" prefix (,(getenv "GI_TYPELIB_PATH")))
                 `("LD_LIBRARY_PATH" suffix (, cairo))
                 `("LUA_PATH" suffix (,(string-append lua-lgi
                                                      "/share/lua/5.2/?.lua")))
                 `("LUA_CPATH" suffix (,(string-append
                                          lua-lgi "/lib/lua/5.2/?.so"))))))))))
    (synopsis "Highly configurable window manager")
    (description
     "Awesome has been designed as a framework window manager.  It is fast, small,
dynamic and extensible using the Lua programming language.")
    (license license:gpl2+)
    (home-page "https://awesome.naquadah.org/")))
