feat: use isisdl from unstable branch

overlays/isisdl.nix

@@ -1,66 +0,0 @@
-{ pkgs
-, lib
-, buildPythonApplication
-, fetchPypi
-, python3Packages
-, withFFmpeg ? false
-}:
-buildPythonApplication rec {
-  pname = "isisdl";
-  version = "1.3.20";
-
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-s0vGCJVSa6hf6/sIhzmaxpziP4izoRwcZfxvm//5inY=";
-  };
-
-  pyproject = true;
-
-    build-system = with python3Packages; [
-    setuptools
-  ];
-
-  nativeBuildInputs = with python3Packages; [
-    pythonRelaxDepsHook
-  ];
-
-  dependencies = with python3Packages; [
-    cryptography
-    requests
-    pyyaml
-    packaging
-    colorama
-    pyinotify
-    distro
-    psutil
-  ];
-
-  pythonRelaxDeps = [
-    "cryptography"
-    "requests"
-    "packaging"
-    "distro"
-  ];
-
-  buildInputs = [
-    pkgs.util-linux # for runtime dependency `lsblk`
-  ] ++ lib.optionals withFFmpeg [
-    pkgs.ffmpeg
-  ];
-
-  # disable tests since they require valid login credentials
-  doCheck = false;
-
-  meta = with lib; {
-    homepage = "https://github.com/Emily3403/isisdl";
-    description = "A downloader for ISIS of TU-Berlin";
-    longDescription = ''
-      A downloading utility for ISIS of TU-Berlin.
-      Download all your files and videos from ISIS.
-    '';
-    license = licenses.gpl3;
-    maintainers = with maintainers; [ bchmnn ];
-    mainProgram = "isisdl";
-    platforms = platforms.linux;
-  };
-}

overlays/pppdf/default.nix

@@ -9,7 +9,12 @@ buildPythonApplication {
     pkgs.gobject-introspection
   ];
 
-  propagatedBuildInputs = with python3Packages; [ pkgs.gtk3 pygobject3 notify2 pikepdf ];
+  propagatedBuildInputs = with python3Packages; [
+    pkgs.gtk3
+    pygobject3
+    notify2
+    pikepdf
+  ];
 
   dontUnpack = true;
   format = "other";