meshlab: 2020.03 -> 2020.07

pkgs/applications/graphics/meshlab/default.nix

···
-{ mkDerivation, lib, fetchFromGitHub
+{ mkDerivation
+, lib
+, fetchFromGitHub
 , fetchpatch
 , libGLU
 , qtbase
···
 
 mkDerivation rec {
   pname = "meshlab";
-  version = "2020.03";
+  version = "2020.07";
 
   src = fetchFromGitHub {
     owner = "cnr-isti-vclab";
     repo = "meshlab";
-    rev = "f3568e75c9aed6da8bb105a1c8ac7ebbe00e4536";
-    sha256 = "17g9icgy1w67afxiljzxk94dyhj4f336gjxn0bhppd58xfqh8w4g";
+    rev = "Meshlab-${version}";
+    sha256 = "0vj849b57zk3k6lx35zzcjhr9gdy4hxqnnkb8chwy7hw262cm3ri";
     fetchSubmodules = true; # for vcglib
   };
 
···
 
   nativeBuildInputs = [ cmake ];
 
-  patches = [ ./no-build-date.patch ];
-
-  # MeshLab computes the version based on the build date, remove when https://github.com/cnr-isti-vclab/meshlab/issues/622 is fixed.
-  postPatch = ''
-    substituteAll ${./fix-version.patch} /dev/stdout | patch -p1 --binary
-  '';
+  patches = [
+    # Make cmake use the system qhull. The next meshlab will not need this patch because it is already in master.
+    (fetchpatch {
+      url = "https://patch-diff.githubusercontent.com/raw/cnr-isti-vclab/meshlab/pull/747.patch";
+      sha256 = "0wx9f6zn458xz3lsqcgvsbwh1pgi3g0lah93nlbsb0sagng7n565";
+    })
+  ];
 
   preConfigure = ''
     substituteAll ${./meshlab.desktop} install/linux/resources/meshlab.desktop
···
     "-DALLOW_BUNDLED_LIB3DS=OFF"
     "-DALLOW_BUNDLED_MUPARSER=OFF"
     "-DALLOW_BUNDLED_QHULL=OFF"
-     # disable when available in nixpkgs
+    # disable when available in nixpkgs
     "-DALLOW_BUNDLED_OPENCTM=ON"
     "-DALLOW_BUNDLED_SSYNTH=ON"
     # some plugins are disabled unless these are on
     "-DALLOW_BUNDLED_NEWUOA=ON"
     "-DALLOW_BUNDLED_LEVMAR=ON"
   ];
+
+  postFixup = ''
+    patchelf --add-needed $out/lib/meshlab/libmeshlab-common.so $out/bin/.meshlab-wrapped
+    patchelf --add-needed $out/lib/meshlab/libmeshlab-common.so $out/bin/.meshlabserver-wrapped
+  '';
 
   # Meshlab is not format-security clean; without disabling hardening, we get:
   # src/common/GLLogStream.h:61:37: error: format not a string literal and no format arguments [-Werror=format-security]
···
     description = "A system for processing and editing 3D triangular meshes.";
     homepage = "http://www.meshlab.net/";
     license = lib.licenses.gpl3;
-    maintainers = with lib.maintainers; [viric];
+    maintainers = with lib.maintainers; [ viric ];
     platforms = with lib.platforms; linux;
   };
 }

pkgs/applications/graphics/meshlab/fix-version.patch

···
---- a/src/common/mlapplication.h
-+++ b/src/common/mlapplication.h
-@@ -23 +23 @@ public:
--        return QString::number(compileTimeYear()) + "." + (compileTimeMonth() < 10 ? "0" + QString::number(compileTimeMonth()) : QString::number(compileTimeMonth()));
-+        return "@version@";

pkgs/applications/graphics/meshlab/meshlab.desktop

···
 TryExec=@out@/bin/meshlab
 Icon=@out@/share/icons/hicolor/meshlab.png
 Terminal=false
-MimeType=model/mesh;application/x-3ds;image/x-3ds;application/sla;
+MimeType=model/mesh;application/x-3ds;image/x-3ds;model/x-ply;application/sla;model/x-quad-object;model/x-geomview-off;application/x-cyclone-ptx;application/x-vmi;application/x-bre;model/vnd.collada+xml;model/openctm;application/x-expe-binary;application/x-expe-ascii;application/x-xyz;application/x-gts;chemical/x-pdb;application/x-tri;application/x-asc;model/x3d+xml;model/x3d+vrml;model/vrml;model/u3d;model/idtf;
 Categories=Graphics;3DGraphics;Viewer;Qt;
-END_DESKTOP

pkgs/applications/graphics/meshlab/no-build-date.patch

···
---- a/src/meshlab/mainwindow_RunTime.cpp
-+++ b/src/meshlab/mainwindow_RunTime.cpp
-@@ -3312 +3312 @@ void MainWindow::about()
--    temp.labelMLName->setText(MeshLabApplication::completeName(MeshLabApplication::HW_ARCHITECTURE(QSysInfo::WordSize))+"   (built on "+__DATE__+")");
-+    temp.labelMLName->setText(MeshLabApplication::completeName(MeshLabApplication::HW_ARCHITECTURE(QSysInfo::WordSize)));
---- a/src/meshlabplugins/filter_plymc/plymc_main.cpp
-+++ b/src/meshlabplugins/filter_plymc/plymc_main.cpp
-@@ -121 +121 @@ int main(int argc, char *argv[])
--  printf(   "\n                  PlyMC "_PLYMC_VER" ("__DATE__")\n"
-+  printf(   "\n                  PlyMC "_PLYMC_VER"\n"