bpytop: init at 1.0.50

This repo constantly updates and getting all versions upstream is not
quite easy…

default.nix

@@ -5,6 +5,7 @@ let
   callPackage = super.lib.callPackageWith self;
 in
 with self; rec {
+  bpytop = callPackage ./pkgs/bpytop { };
 
   chrysalis = callPackage ./pkgs/chrysalis { };
 

pkgs/bpytop/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, python3Packages, fetchFromGitHub, makeWrapper, substituteAll }:
+
+stdenv.mkDerivation rec {
+  pname = "bpytop";
+  version = "1.0.50";
+
+  src = fetchFromGitHub {
+    owner = "aristocratos";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "10j2g19sh2hl5lzbcllr862hkzr0mc1z8n24afzaycn1sphri8fc";
+  };
+
+  buildInputs = [ makeWrapper ];
+  propagatedBuildInputs = with python3Packages; [ python psutil ];
+
+  dontBuild = true;
+
+  postPatch = ''
+    sed -i -e "s#/usr/\[local/\]#$out/#g" \
+           -e "s#/usr/{td}#$out/#g" \
+           -e "s#THEME_DIR: str = \"\"#THEME_DIR: str = \"$out/share/bpytop/themes\"#" \
+      ./bpytop.py
+  '';
+
+  installPhase = ''
+    mkdir -p $out/{bin,libexec,share/bpytop}/
+    cp -r ./themes $out/share/bpytop/
+    cp ./bpytop.py $out/libexec/
+
+    makeWrapper ${python3Packages.python.interpreter} $out/bin/bpytop \
+      --add-flags "$out/libexec/bpytop.py" \
+      --prefix PYTHONPATH : "$PYTHONPATH"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A resource monitor; python port of bashtop";
+    homepage = src.meta.homepage;
+    license = licenses.apsl20;
+    maintainers = with maintainers; [ aw ];
+    platforms = with platforms; linux ++ freebsd ++ darwin;
+
+    # https://github.com/NixOS/nixpkgs/pull/94625#issuecomment-668509399
+    broken = stdenv.isDarwin;
+  };
+}