git: use delta for diffing

ncdu2 builds are broken under darwin far too often

.gitignore

@@ -0,0 +1 @@
+.DS_Store

darwin/darwin-configuration.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+
+{
+  # List packages installed in system profile. To search by name, run:
+  # $ nix-env -qaP | grep wget
+  environment.systemPackages =
+    [ pkgs.vim
+    ];
+
+  # Use a custom configuration.nix location.
+  # $ darwin-rebuild switch -I darwin-config=$HOME/.config/nixpkgs/darwin/configuration.nix
+  # environment.darwinConfig = "$HOME/.config/nixpkgs/darwin/configuration.nix";
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+  # nix.package = pkgs.nix;
+
+  # Create /etc/bashrc that loads the nix-darwin environment.
+  programs.zsh.enable = true;  # default shell on catalina
+
+  # system-wide SSH configuration, used by nix-daemon for remote builders
+
+  # show hidden files
+  system.defaults.NSGlobalDomain.AppleShowAllFiles = true;
+
+  # Used for backwards compatibility, please read the changelog before changing.
+  # $ darwin-rebuild changelog
+  system.stateVersion = 4;
+}

home/home.nix

@@ -1,9 +1,9 @@
-{ pkgs, ... }:
+{ pkgs, lib, config, ... }:
 
 with pkgs;
 let
   # nix-channel --add https://nixos.org/channels/nixos-unstable nixos-unstable
-  unstable = import <nixos-unstable> { };
+  #unstable = import <nixos-unstable> { };
   # nix-channel --add https://github.com/nix-community/NUR/archive/master.tar.gz NUR
   nur = import <NUR> { inherit pkgs; };
   myNur = nur.repos.schmittlauch;
@@ -63,15 +63,14 @@ let
   graphicsApps = [
     inkscape
     darktable
-    hugin
-    luminanceHDR
+    #hugin
+    #luminanceHDR
     exiftool
     gimp
-    xournal
+    #xournal  # FIXME: broken on darwin-aarch64
   ]
   ++ (
     with gimpPlugins; [
-      resynthesizer
       fourier
       lqrPlugin
     ]
@@ -79,17 +78,17 @@ let
 
   multimediaApps = [
     mpv
-    vlc
+    #vlc
     #amarok
-    clementine
-    elisa
+    #clementine
+    #elisa
     yt-dlp
     #sonic-pi
-    musescore
-    audacity
-    avidemux
+    #musescore
+    #audacity
+    #avidemux
     #linphone
-    soundkonverter
+    #soundkonverter
   ];
 
   cliApps = [
@@ -103,9 +102,10 @@ let
     lsof
     mosh
     openssh
-    sshfsFuse
+    sshfs-fuse
     cryfs
-    smbnetfs # for FUSE smb mounting
+    #smbnetfs # for FUSE smb mounting
+    openssh
     sshuttle
     thefuck
     gnupg
@@ -114,22 +114,29 @@ let
     p7zip
     pwgen
     pandoc
-    agrep
+    #agrep    # FIXME: broken on darwin-aarch64
     pdfgrep
-    torsocks
-    ncdu
-    psmisc # for killall
+    #torsocks # FIXME: broken on darwin-aarch64
+    # zig dependency breaks occasionally, stay on C version for now
+    ncdu_1
+    #psmisc # for killall
     dos2unix
-    reptyr # re-bind running program to other tty
+    #reptyr # re-bind running program to other tty
     xclip
     unzip
-    myNur.lolcommits # from NUR
+    fswatch
+    #myNur.lolcommits # from NUR
+    jq
+    age
+    _1password
+    lnav
   ];
 
   nixHelpers = [
-    lorri
-    nix-review
-    nixpkgs-fmt
+    nixpkgs-review
+    nixfmt
+    nix-top
+    statix
   ];
 
   kdeTools = with plasma5Packages; with kdeGear; [
@@ -171,16 +178,19 @@ let
   devTools = [
     curl
     httpie
-    gdb
-    strace
-    ltrace
-    valgrind
-    zeal
+    #gdb
+    #strace
+    #ltrace
+    #valgrind
+    #zeal
     gcc
     shellcheck
     mtr
     ripgrep
     gitui
+    lazygit
+    pre-commit
+    scriv
 
     # Haskell
     ghc
@@ -230,6 +240,8 @@ let
     numpy
     matplotlib
     jedi
+    jedi-language-server
+    black
     flake8
     mypy
   ];
@@ -238,16 +250,23 @@ let
   fonts = [
     comic-neue
     source-sans-pro
+    source-code-pro
     source-serif-pro
-    fira-code
     ubuntu_font_family
     twemoji-color-font
-    opensans-ttf
+    open-sans
     (iosevka-bin.override {
       variant = "curly-slab";
     })
     myNur.vollkorn
     # TODO: humor-sans
+
+    # fcio corporate design, TODO module
+    fira-code
+    fira-mono
+    # TODO fira-sans + condensed
+    # TODO museo 500
+    # also TODO: color schemes nix-darwin
   ];
 
   games = [
@@ -255,30 +274,45 @@ let
     #hedgewars
   ];
 
+  macosTools = [
+    wireshark   # on NixOS systems enabled via system config
+  ];
+
 in
 {
 
   home.packages =
-    desktopApps
-    ++ latexApps
+    cliApps
+    #++ desktopApps
+    #++ latexApps
     ++ pythonApps
     ++ graphicsApps
-    ++ cliApps
     ++ multimediaApps
     ++ devTools
-    ++ kdeTools
+    #++ kdeTools
     ++ fonts
     ++ nixHelpers
-    ++ games
+    #++ games
+    ++ macosTools
   ;
   
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+             "1password-cli"
+  ];
+
   programs.home-manager.enable = true;
-  programs.home-manager.path = "$HOME/.nix-defexpr/channels/home-manager";
-  home.stateVersion = "18.09";
+  #programs.home-manager.path = "$HOME/.nix-defexpr/channels/home-manager";
+  home.stateVersion = "22.05";
+
+  # Home Manager needs a bit of information about you and the
+  # paths it should manage.
+  home.username = "os";
+  home.homeDirectory = "/Users/os";
 
   programs.direnv =
     {
       enable = true;
+      nix-direnv.enable = true;
       enableZshIntegration = true;
     };
 
@@ -286,21 +320,135 @@ in
   #    { enable = true;
   #    };
 
-  programs.bat.enable = true;
-
-  services.gpg-agent =
-    {
+  programs.vscode = {
     enable = true;
-      enableSshSupport = true;
-      pinentryFlavor = "qt";
+    package = pkgs.vscodium;
+    extensions = with pkgs.vscode-extensions; [
+      ms-python.python
+      vscodevim.vim
+      yzhang.markdown-all-in-one
+      bungcip.better-toml
+      eamodio.gitlens
+      jnoortheen.nix-ide
+      mkhl.direnv
+    ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
+      {
+        name = "Sync-Rsync";
+        publisher = "vscode-ext";
+        version = "0.36.0";
+        sha256 = "sha256-0b/OHLZfXo0NAVAVkzZSqMGDzF0uvPRoiqsZtW1iOdA";
+      }
+      # TODO: probably available in nixpkgs soonish?
+      {
+        name = "mypy-type-checker";
+        publisher = "ms-python";
+        version = "2023.3.12681020";
+        sha256 = "sha256-rhed7CQlvxksVCGc9nPU2oYQWtXcAV5TzuG63e8Y3zM=";
+      }
+      {
+        name = "black-formatter";
+        publisher = "ms-python";
+        version = "2023.5.12771008";
+        sha256 = "sha256-lJG0RRUUMhQGs2a6oBtoqt+uY1kSJ0+cbmaP07hNh2o=";
+      }
+      {
+        name = "vscode-pets";
+        publisher = "tonybaloney";
+        version = "1.25.1";
+        sha256 = "sha256-as3e2LzKBSsiGs/UGIZ06XqbLh37irDUaCzslqITEJQ=";
+      }
+    ];
+    userSettings = let
+      defaultPython = pkgs.python3.withPackages (ps: [
+        ps.jedi ps.jedi-language-server
+        ps.pip ps.setuptools # for pkg_resources
+        ps.black ps.mypy
+      ]);
+      in {
+      "editor.fontLigatures" = true;
+      "window.autoDetectColorScheme" = true;
+      "workbench.preferredDarkColorTheme" = "Default Dark Modern";
+      "workbench.preferredLightColorTheme" = "Default Light Modern";
+      "[nix]" = {
+        "editor.insertSpaces" = true;
+        "editor.tabSize" = 2;
+        # for now, disable automatic formatting to prevent disruption of existing code bases
+        "editor.formatOnPaste" = false;
+        "editor.formatOnSave" = false;
+        "editor.formatOnType" = false;
       };
+      "nix.formatterPath" = "${pkgs.nixfmt}/bin/nixfmt";
+      "editor.fontSize" = 13;
+      "editor.fontWeight" = "normal";
+      "git.detectSubmodulesLimit" = 30;
+      "[python]" = {
+        "breadcrumbs.showClasses" = true;
+        "breadcrumbs.showFunctions" = true;
+        "gitlens.codeLens.symbolScopes" = [
+        "!Module"
+        ];
+        "editor.defaultFormatter" = "ms-python.black-formatter";
+        "editor.formatOnSave" = true;
+      };
+      "python.languageServer" = "Jedi";  # don't use proprietary pylance server
+      "python.defaultInterpreterPath" = "${defaultPython}/bin/python";
+      "black-formatter.path" = ["${pkgs.python3Packages.black}/bin/black"];
+      "black-formatter.importStrategy" = "fromEnvironment";
+      "mypy-type-checker.path" = ["${pkgs.python3Packages.mypy}/bin/mypy"];
+      "mypy-type-checker.importStrategy" = "fromEnvironment";
+      "mypy-type-checker.args" =  [
+        "--ignore-missing-imports"
+      ];
+      "gitlens.telemetry.enabled" = false;
+      "vim.highlightedyank.enable" = true;
+      "vim.history" = 500;
+      "vim.neovimUseConfigFile" = true;
+      "vim.enableNeovim" = true;
+      "git.suggestSmartCommit" = false;
+      "editor.rulers" = [ 79 ];
+      "vim.useSystemClipboard" = true;
+      "vim.smartRelativeLine" = true;
+      "diffEditor.ignoreTrimWhitespace" = false;
+      "files.associations" = {
+        "*.py" = "python";
+      };
+      "editor.renderWhitespace" = "all";
+      "editor.fontFamily" = "Iosevka Curly Slab, Menlo, Monaco, 'Courier New', monospace";
+      "vim.neovimPath" = "/Users/os/.nix-profile/bin/nvim";
+      "sync-rsync.options" = [];
+    };
+  };
+
+programs.bat = {
+    enable = true;
+    # pinning theme is necessary until iTerm 3.5, because despite the dark terminal background, bat detects light mode and adapts theme
+    config.theme = "Visual Studio Dark+";
+  };
+
+#  services.gpg-agent =
+#    {
+#      enable = true;
+#      enableSshSupport = true;
+#      pinentryFlavor = "qt";
+#    };
 
   programs.ssh =
     {
       enable = true;
       # ssh host config
-      matchBlocks =
-        import ./secrets/ssh_hosts.nix;
+      matchBlocks = {
+        "hydra01" = {
+          hostname = "hydra01.fe.whq.fcio.net";
+          user = "os";
+        };
+        "fcio-whq-jump" = {
+          hostname = "vpn-whq.services.fcio.net";
+          extraOptions.LogLevel = "Verbose";
+        };
+        "fcio-rzob-jump" = {
+          hostname = "vpn-rzob.services.fcio.net";
+        };
+      };
     };
 
   programs.tmux = {
@@ -319,12 +467,12 @@ in
     terminal = "screen-256color";
   };
 
-  systemd.user.startServices = true;
+  #systemd.user.startServices = true;
 
-  services.lorri.enable = true;
+  #services.lorri.enable = true;
 
   # media button control support from Bluetooth devices
-  services.mpris-proxy.enable = true;
+  #services.mpris-proxy.enable = true;
 
   fonts.fontconfig.enable = true;
 
@@ -375,21 +523,30 @@ in
           *.swo
         '');
         core.whitespace = "-blank-at-eol,blank-at-eof,space-before-tab";
+        rerere.enabled = true;
       };
       lfs.enable = true;
+      delta = {
+        enable = true;
+        options = {
+          line-numbers = true;
+          side-by-side = true;
+          #dark = true;
+        };
+      };
     };
 
     # shell config
     programs.zsh = {
       enable = true;
-      enableSyntaxHighlighting = true;
+      syntaxHighlighting.enable = true;
       history.ignoreSpace = true;
       initExtra = ''
         # Uncomment following line if you want red dots to be displayed while waiting for completion
         COMPLETION_WAITING_DOTS="true"
         ### Fix slowness of pastes with zsh-syntax-highlighting.zsh
         pasteinit() {
-          OLD_SELF_INSERT=$\{$\{(s.:.)widgets[self-insert]}[2,3]}
+          OLD_SELF_INSERT=''${''${(s.:.)widgets[self-insert]}[2,3]}
           zle -N self-insert url-quote-magic # I wonder if you'd need `.url-quote-magic`?
         }
 
@@ -426,7 +583,9 @@ in
         binpath() {
           realpath $(${pkgs.which}/bin/which $1)
         }
-        '';
+        ''
+        + (import ./scripts/reporsync.nix {inherit pkgs;})
+        + (import ./scripts/ssh-loop-fc.nix {inherit pkgs;});
 
 
       oh-my-zsh = {
@@ -440,8 +599,10 @@ in
       ipb = "ip --color --brief";
       ll = "ls -l";
       wavesynth = "nix-shell -p sox --run 'play -n synth brownnoise synth pinknoise mix synth 0 0 0 15 40 80 trapezium amod 0.2 20'";
+      vim = "nvim";
     };
     home.sessionVariables = {
-      EDITOR = "vim";
+      EDITOR = "nvim";
+      BATOU_AGE_IDENTITY_PASSPHRASE="op://Private/SSH key/password";
     };
 }

home/overlays.nix

@@ -3,11 +3,8 @@
   (
     self: super:
       rec {
-        #jami-ring-daemon = super.qt5.callPackage ./ov/jami/ring-daemon.nix {};
-        myVim = with super; (vim_configurable.override { python = python3; }).customize {
-          # executable/ package name
-          name = "vim";
-          vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; {
+        myVim = with super; neovim.override { configure = {
+          packages.myVimPackage = with pkgs.vimPlugins; {
             # loaded on start
             start = [
               ale
@@ -27,124 +24,11 @@
               vim-jinja
             ];
           };
-          vimrcConfig.customRC = ''
-            " disable vim modelines for security reasons
-            set modelines=0
-            set nomodeline
-
-            " Uncomment the following to have Vim jump to the last position when
-            " reopening a file
-            if has("autocmd")
-              au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
-            endif
-
-            set nocompatible
-            set hidden
-
-            " automatically close preview window after suggestion
-            autocmd CompleteDone * pclose
-
-            " Pathogen
-            "execute pathogen#infect()
-            "call pathogen#infect()
-            "call pathogen#helptags()
-
-            set statusline=%<\ %n:%f\ %m%r%y%=%-35.(line:\ %l\ of\ %L,\ col:\ %c%V\ (%P)%)
-            filetype plugin indent on
-             
-            syntax on
-
-            set number
-            set mouse=a
-            set mousehide
-
-            set backspace=indent,eol,start
-
-            set hlsearch
-            set showmatch
-            set incsearch
-            set autoindent
-            set history=1000
-            " set cursorline
-            if has("unnamedplus")
-              set clipboard=unnamedplus
-            elseif has("clipboard")
-              set clipboard=unnamed
-            endif
-
-            " set expandtab
-            set shiftwidth=4
-            set tabstop=4
-            set softtabstop=4
-
-            " enable truecolor support
-            "let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
-            "let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
-            "set termguicolors
-            "
-            "let base16colorspace=256
-
-            "colorscheme base16-tomorrow-night
-            "colorscheme Tomorrow-Night
-            "colorscheme base16-default-dark
-
-            set background=dark
-
-            " Use the same symbols as TextMate for tabstops and EOLs
-            set listchars=tab:▸\ ,eol:¬
-
-            " default tab completion with supertab
-            let g:SuperTabDefaultCompletionType = "context"
-
-
-            " LanguageClient
-            " Required for operations modifying multiple buffers like rename.
-            set hidden
-            nnoremap <F5> :call LanguageClient_contextMenu()<CR>
-            let g:LanguageClient_serverCommands = { 'haskell': ['hie-wrapper', '--lsp'] }
-
-            " enable LanguageClient functions only if a server mapping exists
-            function LC_maps()
-              if has_key(g:LanguageClient_serverCommands, &filetype)
-                nnoremap <buffer> <silent> K :call LanguageClient#textDocument_hover()<cr>
-                nnoremap <buffer> <silent> gd :call LanguageClient#textDocument_definition()<CR>
-                nnoremap <buffer> <silent> <F2> :call LanguageClient#textDocument_rename()<CR>
-              set omnifunc=LanguageClient#complete
-              set completefunc=LanguageClient#complete
-              endif
-            endfunction
-
-            autocmd FileType * call LC_maps()
-
-            au FileType python setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
-            au FileType haskell setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4
-            " haskell-vim
-            let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
-            let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
-            let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
-            let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
-            let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
-            let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
-            let g:haskell_backpack = 1                " to enable highlighting of backpack keywords
-            au FileType markdown setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
-            au FileType nix setlocal tabstop=2 expandtab shiftwidth=2 softtabstop=2
-            set ofu=syntaxcomplete#Complete
-            " nmap <C-V> "+gP
-            " imap <C-V> <ESC><C-V>a
-            vmap <C-C> "+y 
-
-            " ALE linter settings
-            let g:ale_linters = { 'python': ['flake8'] }
-
-            " vim-pandoc settings
-            let g:pandoc#modules#disabled = ["spell"]
-            set textwidth=0
-            set wrapmargin=0
-      '';
-        };
-        # build with debug symbols and in debug mode (less optimized)
-        opencvDebug = with super; enableDebugging ((opencv3.override { enablePython = true; enableGtk3 = true; enableDocs = true; pythonPackages = pkgs.python3Packages; }).overrideAttrs (oldAttrs: rec { cmakeBuildType = "Debug"; }));
-        #gnutls = super.callPackage ./ov/gnutls {inherit (super.darwin.apple_sdk.frameworks) Security;};
+          customRC = builtins.readFile ./vimrc;
+        };};
+        # pyopenssl is broken upstream for py3.9
+        # inspired by https://github.com/montchr/dotfield/commit/9ec0f1d7cf4f6e3c0079c4656bf76e0daf55c5ea
+        httpie = self.python310Packages.httpie;
       }
   )
 

home/scripts/reporsync.nix

@@ -0,0 +1,79 @@
+{pkgs, ...}:
+''
+# rsync -rlptzv --progress --delete --exclude=.git --exclude=.vscode --exclude=result --exclude=channels/ /Users/os/src/fc.qemu os@hydra01:
+# rsync -rlptzv --progress --rsh="ssh -J fcio-whq-jump" --delete --exclude=.git --exclude=.vscode --exclude=result --exclude=channels/ /Users/os/src/fc-nixos/ os@patty:fc-nixos/
+
+
+DEFAULT_JUMPHOST="fcio-whq-jump"
+
+_parse_rsync_args() {
+	# reset pre-defined variables that are read and manipulated throughout this function
+	unset JUMPHOST
+	# arrays are bash or zsh specific
+	RSYNC_OPTS=("-rlptzv" "--progress" "--delete" "--exclude=.git" "--exclude=.vscode" "--exclude=result" "--exclude=channels/" "--exclude=.mypy_cache")
+
+	while getopts ':Jj:' OPT; do
+		case $OPT in 
+			j)
+				if [ -n "$JUMPHOST" ]; then
+					echo "-j and -J are conflicting arguments" >&2
+					return 1
+				fi
+				JUMPHOST="$OPTARG"
+				;;
+			J)
+				if [ -n "$JUMPHOST" ]; then
+					echo "-j and -J are conflicting arguments" >&2
+					return 1
+				fi
+				JUMPHOST="$DEFAULT_JUMPHOST"
+				;;
+			?)
+				echo "rsyncrepo [-J] [-j <jumphost>] <directory> <hostname>"
+				return 1
+				;;
+		esac
+	done
+
+	# trim CLI parameters
+	shift "$(($OPTIND -1))"
+
+	RR_FROM="$1"
+	RR_TO="$2"
+}
+
+_do_rsync() {
+	# parameter check
+	if [ -z "$1" ] || [ -z "$2" ]; then
+		echo "Missing arguments, required: <directory> <hostname>" >&2
+		return 1
+	fi
+
+	if [ -n "$JUMPHOST" ]; then
+		RSYNC_OPTS+=("--rsh=/Users/os/.nix-profile/bin/ssh -J ''${JUMPHOST}")
+	fi
+
+	for OPTI in "''${RSYNC_OPTS[@]}"; do
+		echo "$OPTI"
+	done
+
+	# we always sync /path/to/dir/ to hostname:dir
+	RR_DEST="''${2}:$(basename $(realpath "''${1}"))"
+
+	echo "Syncing ''${1} to ''${RR_DEST}…"
+
+	# ensure trailing slash for src to avoid recreating directory
+	${pkgs.rsync}/bin/rsync "''${RSYNC_OPTS[@]}"  "''${1}/" "''${RR_DEST}"
+}
+
+rsyncrepo() {
+	_parse_rsync_args "$@"
+	# inherits parsed arguments through variables
+	_do_rsync "$RR_FROM" "$RR_TO"
+}
+
+rsynchydra() {
+	_parse_rsync_args "$@"
+	_do_rsync "$RR_FROM" "hydra01"
+}
+''

home/scripts/ssh-loop-fc.nix

@@ -0,0 +1,19 @@
+{pkgs, ...}:
+''
+ssh-loop () {
+    setopt shwordsplit
+    local hosts=$1
+    local cmd=$2
+
+    for x in $1; do echo $x; ${pkgs.openssh}/bin/ssh  $x.fcio.net -o StrictHostKeyChecking=no -C "$2"; done
+}
+
+ssh-loop-parallel () {
+    setopt shwordsplit
+    local hosts=$1
+    local cmd=$2
+
+    for x in $1; do echo $x; ${pkgs.openssh}/bin/ssh  $x.fcio.net -o StrictHostKeyChecking=no -C "$2" 2>&1 | sed -e "s/^/$x: /;" & done
+    wait
+}
+''

home/vimrc

@@ -0,0 +1,112 @@
+" disable vim modelines for security reasons
+set modelines=0
+set nomodeline
+
+" Uncomment the following to have Vim jump to the last position when
+" reopening a file
+if has("autocmd")
+  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
+endif
+
+set nocompatible
+set hidden
+
+" automatically close preview window after suggestion
+autocmd CompleteDone * pclose
+
+" Pathogen
+"execute pathogen#infect()
+"call pathogen#infect()
+"call pathogen#helptags()
+
+set statusline=%<\ %n:%f\ %m%r%y%=%-35.(line:\ %l\ of\ %L,\ col:\ %c%V\ (%P)%)
+filetype plugin indent on
+ 
+syntax on
+
+set number
+set mouse=a
+set mousehide
+
+set cursorline
+
+set backspace=indent,eol,start
+
+set hlsearch
+set showmatch
+set incsearch
+set autoindent
+set history=1000
+" use system clipboard as default buffer
+" unnamedplus corresponds to the + register on Linux,
+" representing system clipboard (not X11 clipboard)
+set clipboard=unnamedplus
+
+" set expandtab
+set shiftwidth=4
+set tabstop=4
+set softtabstop=4
+
+" enable truecolor support
+"let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
+"let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
+"set termguicolors
+"
+"let base16colorspace=256
+
+"colorscheme base16-tomorrow-night
+"colorscheme Tomorrow-Night
+"colorscheme base16-default-dark
+
+set background=dark
+
+" Use the same symbols as TextMate for tabstops and EOLs
+set listchars=tab:▸\ ,eol:¬
+
+" default tab completion with supertab
+let g:SuperTabDefaultCompletionType = "context"
+
+
+" LanguageClient
+" Required for operations modifying multiple buffers like rename.
+set hidden
+nnoremap <F5> :call LanguageClient_contextMenu()<CR>
+let g:LanguageClient_serverCommands = { 'haskell': ['hie-wrapper', '--lsp'] }
+
+" enable LanguageClient functions only if a server mapping exists
+function LC_maps()
+  if has_key(g:LanguageClient_serverCommands, &filetype)
+    nnoremap <buffer> <silent> K :call LanguageClient#textDocument_hover()<cr>
+    nnoremap <buffer> <silent> gd :call LanguageClient#textDocument_definition()<CR>
+    nnoremap <buffer> <silent> <F2> :call LanguageClient#textDocument_rename()<CR>
+  set omnifunc=LanguageClient#complete
+  set completefunc=LanguageClient#complete
+  endif
+endfunction
+
+autocmd FileType * call LC_maps()
+
+au FileType python setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
+au FileType haskell setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4
+" haskell-vim
+let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
+let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
+let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
+let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
+let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
+let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
+let g:haskell_backpack = 1                " to enable highlighting of backpack keywords
+au FileType markdown setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
+au FileType nix setlocal tabstop=2 expandtab shiftwidth=2 softtabstop=2
+set ofu=syntaxcomplete#Complete
+" nmap <C-V> "+gP
+" imap <C-V> <ESC><C-V>a
+"vmap <C-C> "+y 
+
+" ALE linter settings
+let g:ale_linters = { 'python': ['flake8'] }
+
+" vim-pandoc settings
+let g:pandoc#modules#disabled = ["spell"]
+set textwidth=0
+set wrapmargin=0