A nix function to bring vscode with extensions into a nix-shell

mkShellWithVSCode.nix

{ pkgs            ? import <nixpkgs> {}
, vscode-personal ? import ./vscode-personal.nix { inherit pkgs; }
}:
with pkgs;

let
  les = [ 
    {
        name = "csharp";
        publisher = "ms-vscode";
        version = "1.21.5";
        sha256 = "031yx2kpjrw1b86y5nq110k9ywjgl26730ljddly05d8fxxham05";
      } 
    ];
  lextensions = pkgs.vscode-utils.extensionsFromVscodeMarketplace les;
  es = vscode-personal.extensions;
  extensions = pkgs.vscode-utils.extensionsFromVscodeMarketplace es;
  rmExtensions = ''
    find exts -mindepth 1 -maxdepth 1 ${lib.concatMapStringsSep " " (e : ''! -iname ${e.publisher}.${e.name}'') (es++les)} -exec sudo rm -rf {} \;
    '';
  cpExtensions = ''
    ${lib.concatMapStringsSep "\n" (e : ''ln -sfn ${e}/share/vscode/extensions/* exts/'') extensions}
    ${lib.concatMapStringsSep "\n" (e : ''cp -a ${e}/share/vscode/extensions/* exts/'') lextensions} 2>/dev/null
  '';

  vc = writeShellScriptBin "code" ''
    mkdir -p exts 
    ${rmExtensions}
    ${cpExtensions}

    ${vscode}/bin/code --extensions-dir exts "$@"
  '';

  f = writeShellScript "f" ''
    echo $1 | awk '{ print "https://"$2".gallery.vsassets.io/_apis/public/gallery/publisher/"$2"/extension/"$1"/"$3"/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage"
  '';
  vce2nix = writeShellScriptBin "vscodeExts2nix" ''
    echo '[' &&
     ${vc}/bin/code --list-extensions --show-versions \
    | grep -v -i '^\(${lib.concatMapStringsSep "\\|" (e : ''${e.publisher}.${e.name}'') es}\)' \
    | perl -pe 's/^(.+?)\.(.+?)@(.*)/\1 \2 \3/' \
    | awk '{ print "{ name = "$1"; publisher = "$2"; version = "$3"; " }' \
    && echo ']'
  '';

      # echo $i | \
      #   awk '{ print "https://"$1".gallery.vsassets.io/_apis/public/gallery/publisher/"$1"/extension/"$2"/"$3"/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage;" }' | nix-prefetch-url ;
      # $(echo $i | awk '{ print "{ name = "$1"; publisher = "$2"; version = "$3"; " }')\
# https://csharp.gallery.vsassets.io/_apis/public/gallery/publisher/csharp/extension/ms-vscode/1.21.5/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage
in buildEnv {
  name = "dfsf";
  paths = [ vce2nix vc ];
}