qvge: init at 0.6.1

pkgs/applications/graphics/qvge/default.nix

···
+{ lib
+, mkDerivation
+, fetchFromGitHub
+, substituteAll
+, qmake
+, qtx11extras
+, graphviz
+}:
+
+mkDerivation rec {
+  pname = "qvge";
+  version = "0.6.1";
+
+  src = fetchFromGitHub {
+    owner = "ArsMasiuk";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0j4ih03nl6iihhnxrfldkarg9hvxb62lpr58xspn417d3gj6xjll";
+  };
+
+  prePatch = "cd src";
+
+  patches = (substituteAll {
+    src = ./set-graphviz-path.patch;
+    inherit graphviz;
+  });
+
+  nativeBuildInputs = [ qmake ];
+
+  buildInputs = [ qtx11extras ];
+
+  meta = with lib; {
+    description = "Qt Visual Graph Editor";
+    homepage = "https://github.com/ArsMasiuk/qvge";
+    license = licenses.mit;
+    maintainers = with maintainers; [ sikmir ];
+    platforms = with platforms; linux;
+  };
+}

pkgs/applications/graphics/qvge/set-graphviz-path.patch

···
+diff --git i/commonui/CNodeEditorUIController.cpp w/commonui/CNodeEditorUIController.cpp
+index 7dacd48..64983e4 100644
+--- i/commonui/CNodeEditorUIController.cpp
++++ w/commonui/CNodeEditorUIController.cpp
+@@ -123,7 +123,7 @@ CNodeEditorUIController::CNodeEditorUIController(CMainWindow *parent) :
+ 	QString pathToGraphviz = QCoreApplication::applicationDirPath() + "/../tools/graphviz";
+ 	m_optionsData.graphvizPath = QFileInfo(pathToGraphviz).absoluteFilePath();
+ #else
+-	m_optionsData.graphvizPath = "";
++	m_optionsData.graphvizPath = "@graphviz@/bin";
+ #endif
+ 	m_gvController->setPathToGraphviz(m_optionsData.graphvizPath);
+ 

pkgs/top-level/all-packages.nix

···
 
   quota = if stdenv.isLinux then linuxquota else unixtools.quota;
 
+  qvge = libsForQt5.callPackage ../applications/graphics/qvge { };
+
   qview = libsForQt5.callPackage ../applications/graphics/qview {};
 
   wayback_machine_downloader = callPackage ../applications/networking/wayback_machine_downloader { };