gnu: Add kdiamond.

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

gnu/packages/games.scm

@@ -8557,3 +8557,43 @@ packs are included, as well as an editor to create new levels.
 
 This package is part of the KDE games module.")
     (license (list license:gpl2+ license:fdl1.2+))))
+
+(define-public kdiamond
+  (package
+    (name "kdiamond")
+    (version "19.08.3")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://kde/stable/applications/" version
+                          "/src/kdiamond-" version ".tar.xz"))
+      (sha256
+       (base32 "1v5yb9hb26lk277zhw8d37ks829yfqr5anzx1qhms44gca5kqhva"))))
+    (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)
+       ("knotifications" ,knotifications)
+       ("knotifyconfig" ,knotifyconfig)
+       ("kwidgetsaddons" ,kwidgetsaddons)
+       ("kxmlgui" ,kxmlgui)
+       ("libkdegames" ,libkdegames)
+       ("qtbase" ,qtbase)
+       ("qtdeclarative" ,qtdeclarative)))
+    (home-page "https://games.kde.org/")
+    (synopsis "Three-in-a-row game")
+    (description "KDiamond is a three-in-a-row game like Bejeweled.  It
+features unlimited fun with randomly generated games and five difficulty
+levels with varying number of diamond colors and board sizes.
+
+This package is part of the KDE games module.")
+    (license (list license:gpl2+ license:fdl1.2+))))