shotcut: 21.03.21 -> 21.09.20

Fixes build with new mlt++ library changes.

Co-Authored-By: "Frank Doepper" <[e-mail]>

pkgs/applications/video/shotcut/default.nix

···
 
 mkDerivation rec {
   pname = "shotcut";
-  version = "21.03.21";
+  version = "21.09.20";
 
   src = fetchFromGitHub {
     owner = "mltframework";
     repo = "shotcut";
     rev = "v${version}";
-    sha256 = "UdeHbNkJ0U9FeTmpbcU4JxiyIHkrlC8ErhtY6zdCZEk=";
+    sha256 = "1y46n5gmlayfl46l0vhg5g5dbbc0sg909mxb68sia0clkaas8xrh";
   };
 
   nativeBuildInputs = [ pkg-config qmake ];
···
   ];
 
   prePatch = ''
-    sed 's_shotcutPath, "melt"_"${mlt}/bin/melt"_' -i src/jobs/meltjob.cpp
+    sed 's_shotcutPath, "melt[^"]*"_"${mlt}/bin/melt"_' -i src/jobs/meltjob.cpp
     sed 's_shotcutPath, "ffmpeg"_"${mlt.ffmpeg}/bin/ffmpeg"_' -i src/jobs/ffmpegjob.cpp
     sed 's_qApp->applicationDirPath(), "ffmpeg"_"${mlt.ffmpeg}/bin/ffmpeg"_' -i src/docks/encodedock.cpp
     NICE=$(type -P nice)