{
  config,
  pkgs,
  repoFlake,
  lib,
  ...
}:
let
  pkgsVscodium = import repoFlake.inputs.nixpkgs-vscodium { inherit (pkgs) system config; };
in
{
  programs.vscode = {
    enable = true;
    package = pkgsVscodium.vscodium;
    extensions =
      (
        with pkgsVscodium.vscode-extensions;
        [
          eamodio.gitlens
          mkhl.direnv
          tomoki1207.pdf
          vscodevim.vim

          # bbenoist.nix
          jnoortheen.nix-ide

          ms-vscode.theme-tomorrowkit
          nonylene.dark-molokai-theme

          ms-python.vscode-pylance

          # TODO: these are not in nixpkgs

          # fredwangwang.vscode-hcl-format
          # hashicorp.hcl
          # mindaro-dev.file-downloader
          # ms-vscode.remote-explorer

          # TODO: not compatible with vscodium
          # ms-vscode-remote.remote-ssh
        ]
        ++ (
          let
            extensions = repoFlake.inputs.nix-vscode-extensions.extensions.${pkgs.system};
          in
          with extensions.vscode-marketplace;
          with extensions.vscode-marketplace-release;
          [
            tamasfe.even-better-toml

            serayuzgur.crates
            rust-lang.rust-analyzer
            swellaby.vscode-rust-test-adapter

            golang.go
            jeff-hykin.better-go-syntax
          ]
        )
      )
      ++ (
        let
          nix4vscodeToml = pkgs.writeText "nix4vscode.toml" ''
            vscode_version = "${config.programs.vscode.package.version}"

            [[extensions]]
            publisher_name = "FelixZeller"
            extension_name = "markdown-oxide"

            [[extensions]]
            publisher_name = "ibecker"
            extension_name = "treefmt-vscode"
          '';
          nix4vscodeNix =
            pkgs.runCommand "nix4vscode.nix"
              {
                # nix4vscode needs internet access
                __noChroot = true;
                requiredSystemFeatures = [ "recursive-nix" ];
                buildInputs = [
                  pkgs.nix
                  pkgs.cacert
                  repoFlake.inputs.nix4vscode.packages.${pkgs.stdenv.system}.default
                  # pkgs.strace
                ];
                # outputHashAlgo = "sha256";
                # outputHashMode = "recursive";
                # outputHash = lib.fakeSha256;
              }
              ''
                # set -x
                # export RUST_BACKTRACE=full
                # export RUST_LOG=trace
                export HOME=$(mktemp -d)
                # strace -ffZyyY
                nix4vscode ${nix4vscodeToml} > $out
              '';
          nix4vscodeExtensions = builtins.removeAttrs (pkgs.callPackage nix4vscodeNix { }) [
            "override"
            "overrideDerivation"
          ];
          nix4vscodeExtensions' = lib.attrsets.mapAttrsToList (
            _: v: builtins.head (builtins.attrValues v)
          ) nix4vscodeExtensions;
        in
        nix4vscodeExtensions'
      );
    mutableExtensionsDir = true;
  };

  home.packages = [
    pkgs.nil
    pkgs.nixfmt-rfc-style
  ];
}
# TODO: automate
### original list:
# 74th.Theme-NaturalContrast-With-HC
# AlanWalk.markdown-toc
# DiryoX.Paper-tmTheme
# Mit.Monokai-Polished
# Stephanvs.dot
# ZakCodes.rust-snippets
# aaron-bond.better-comments
# af4jm.vscode-icalendar
# akmittal.hugofy
# asciidoctor.asciidoctor-vscode
# bierner.markdown-preview-github-styles
# brian-yu.made-of-code
# bungcip.better-toml
# bwildeman.tabulous
# CoenraadS.bracket-pair-colorizer
# dawhite.mustache
# doctorrustynelson.vscode-nomnoml
# eamodio.gitlens
# ethansugar.monokai-light
# gerane.Theme-Monokai-Contrast
# gerane.Theme-snappy-light
# GitHub.vscode-pull-request-github
# golang.go
# hashicorp.terraform
# hawkeyegold.bonsai
# hdg.live-html-previewer
# JaimeOlivares.yuml
# James-Yu.latex-workshop
# jebbs.plantuml
# jeremyfa.tasks-chooser
# joaompinto.asciidoctor-vscode
# johndugan.contrast-theme
# k3a.theme-dark-plus-contrast
# kenhowardpdx.vscode-gist
# leizongmin.quick-open
# mechatroner.rainbow-csv
# mermade.openapi-lint
# mimarec.swagger-doc-viewer
# mitaki28.vscode-clang
# mohsen1.prettify-json
# ms-azuretools.vscode-docker
# ms-python.python
# ms-toolsai.jupyter
# ms-vscode.cpptools
# nocksock.vscode-quick-open-create
# oderwat.indent-rainbow
# paulofallon.phantypist
# qnsolutions.swaggitor
# redhat.vscode-yaml
# rozbo.papercolor-vscode
# rstuven.iferrblocks
# rust-lang.rust
# sashaweiss.bracket-jumper
# skellock.just
# steditor.line-endings
# streetsidesoftware.code-spell-checker
# streetsidesoftware.code-spell-checker-german
# sugarpirate.theme-tinacious-contrast
# sysoev.vscode-open-in-github
# tht13.html-preview-vscode
# tickleforce.scrolloff
# timonwong.shellcheck
# Tyriar.sort-lines
# vadimcn.vscode-lldb
# vscodevim.vim
# vthiery.prettify-selected-json
# webfreak.debug
# xaver.clang-format
# xmonader.vscode-capnp
# xyz.plsql-language
# yzane.markdown-pdf
# zxh404.vscode-proto3