gnu: Add knetwalk.

* gnu/packages/games.scm (knetwalk): New variable.

gnu/packages/games.scm

@@ -8680,3 +8680,46 @@ (define-public kblackbox
 
 This package is part of the KDE games module.")
     (license (list license:gpl2+ license:fdl1.2+))))
+
+(define-public knetwalk
+  (package
+    (name "knetwalk")
+    (version "19.08.3")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://kde/stable/applications/" version
+                          "/src/knetwalk-" version ".tar.xz"))
+      (sha256
+       (base32 "1i340salzgqdw8y33wrrydmpgx3pvwf5wrbljlh67cjf6s4csx7d"))))
+    (properties `((tags . ("Desktop" "KDE" "Games"))))
+    (build-system qt-build-system)
+    (native-inputs
+     `(("extra-cmake-modules" ,extra-cmake-modules)
+       ("kdoctools" ,kdoctools)))
+    (inputs
+     `(("kcompletion" ,kcompletion)
+       ("kconfig" ,kconfig)
+       ("kconfigwidgets" ,kconfigwidgets)
+       ("kcoreaddons" ,kcoreaddons)
+       ("kcrash" ,kcrash)
+       ("kdbusaddons" ,kdbusaddons)
+       ("ki18n" ,ki18n)
+       ("ktextwidgets" ,ktextwidgets)
+       ("kwidgetsaddons" ,kwidgetsaddons)
+       ("kxmlgui" ,kxmlgui)
+       ("libkdegames" ,libkdegames)
+       ("qtbase" ,qtbase)
+       ("qtdeclarative" ,qtdeclarative)))
+    (home-page "https://games.kde.org/")
+    (synopsis "Turn the board pieces to get all computers connected")
+    (description "KNetWalk is a small game where you have to build up a
+computer network by rotating the wires to connect the terminals to the server.
+When the network is build, a highscore-list comes up where competitions can be
+fought out.
+
+KNetwalk is a puzzle game where the player arranges sections of wire to
+connect all the computers on the board.
+
+This package is part of the KDE games module.")
+    (license (list license:gpl2+ license:fdl1.2+))))