.gitignore

@@ -4,5 +4,4 @@
 /plugged/*
 /autoload/plug.vim.old
 /.envrc
-/.direnv
 /localvim

default.nix

@@ -1,10 +0,0 @@
-(import
-  (
-    let lock = builtins.fromJSON (builtins.readFile ./flake.lock); in
-    fetchTarball {
-      url = lock.nodes.flake-compat.locked.url or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-      sha256 = lock.nodes.flake-compat.locked.narHash;
-    }
-  )
-  { src = ./.; }
-).defaultNix

flake.lock

@@ -1,76 +0,0 @@
-{
-  "nodes": {
-    "flake-compat": {
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "revCount": 57,
-        "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1729097500,
-        "narHash": "sha256-NMxk91m62pA97pbHqYDNhTgzr24MzKf5D+ZCDlmHXmw=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "764efd34fe199a705d62d0738452076e8276dd98",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "master",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

flake.nix

@@ -1,23 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/master";
-    flake-utils.url = "github:numtide/flake-utils";
-    flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz";
-  };
-
-  outputs = { self, nixpkgs, flake-utils, flake-compat }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        devShell = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            vim
-            neovim
-            vim-language-server
-            vim-vint
-          ];
-        };
-      }
-    );
-}

plugged.vim

@@ -18,9 +18,6 @@ Plug 'olivertaylor/vacme'
 Plug 'pbrisbin/vim-colors-off'
 Plug 'ikaros/smpl-vim'
 
-" Detect dark/light mode
-Plug 'vimpostor/vim-lumen'
-
 " External tool integration
 Plug 'tpope/vim-bundler'      " bundler + gem-ctags
 Plug 'tpope/vim-fugitive'     " git

shell.nix

@@ -1,10 +1,10 @@
-(import
-  (
-    let lock = builtins.fromJSON (builtins.readFile ./flake.lock); in
-    fetchTarball {
-      url = lock.nodes.flake-compat.locked.url or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-      sha256 = lock.nodes.flake-compat.locked.narHash;
-    }
-  )
-  { src = ./.; }
-).shellNix
+{ pkgs ? import(fetchTarball("https://github.com/NixOS/nixpkgs/archive/d51f8579f03a76718d643dd184ae964e6f0dd751.tar.gz")) {} }:
+
+pkgs.mkShell {
+  nativeBuildInputs = with pkgs; [
+    vim
+    neovim
+    vim-language-server
+    vim-vint
+  ];
+}

vimrc

@@ -17,21 +17,17 @@ let g:netrw_dirhistmax = 0
 set clipboard^=unnamed
 
 " Terminal title
-if has('macunix') && $TERM_PROGRAM ==# 'Apple_Terminal'
+if has('macunix') && $TERM_PROGRAM == 'Apple_Terminal'
   set title
   set t_ts=]6;
   set t_fs=
-  if !exists('autocmd_terminal_title')
+  if !exists("autocmd_terminal_title")
     let autocmd_terminal_title = 1
-    augroup TermTitle
-      autocmd BufEnter,BufRead * let &titlestring = "file://" . hostname() . expand("%:p")
-    augroup END
+    autocmd BufEnter,BufRead * let &titlestring = "file://" . hostname() . expand("%:p")
   endif
 else
   set title
-  augroup TermTitle
-    autocmd BufEnter,BufRead * let &titlestring = expand("%:p")
-  augroup END
+  autocmd BufEnter,BufRead * let &titlestring = expand("%:p")
 endif
 
 " Airline
@@ -45,23 +41,23 @@ let g:airline_symbols.linenr = ''
 let g:airline_symbols.branch = '⎇'
 let g:airline_symbols.whitespace = ''
 
-function! DetectMode()
-    if has('macunix') && $TERM_PROGRAM ==# 'Apple_Terminal'
-      let s:mode = system('defaults read -g AppleInterfaceStyle')
-      if v:shell_error
-        set background=light
-      else
-        set background=dark
-      endif
-    endif
-endfunction
+" Terminal behavior and appearance
+if !has('gui_running')
+  set showtabline=1           "automatic tab bar
+  set mouse=n                 "mouse support
+  if has("mouse_sgr")
+      set ttymouse=sgr
+  end
+  "set background=light
 
-function! ApplyMode()
-    " set theme
-    if &background ==# 'light'
+  if $SSH_CLIENT
+    colorscheme smpl
+  else
+    if &background == 'light'
       colorscheme nofrils-light
     else
-      colorscheme nofrils-dark
+      "colorscheme nofrils-dark
+      colorscheme nofrils-light
     endif
 
     "use terminal background
@@ -76,29 +72,9 @@ function! ApplyMode()
       hi statement ctermbg=none
       hi LineNr ctermbg=none
     endif
-endfunction
-
-" Terminal behavior and appearance
-if !has('gui_running')
-  set showtabline=1           "automatic tab bar
-  set mouse=n                 "mouse support
-  if has('mouse_sgr')
-      set ttymouse=sgr
-  end
-
-  if $SSH_CLIENT
-    colorscheme smpl
-  else
-    call DetectMode()
-    call ApplyMode()
   endif
 endif
 
-augroup Lumen
-  autocmd User LumenLight call ApplyMode()
-  autocmd User LumenDark call ApplyMode()
-augroup END
-
 " Appearance tweaks
 hi VertSplit cterm=NONE gui=NONE
 set fillchars+=vert:│
@@ -110,7 +86,7 @@ let g:ale_virtualtext_cursor = 0
 let g:ale_ruby_rubocop_executable = 'bundle'
 let g:ale_ruby_steep_executable = 'bundle'
 let g:ale_ruby_standardrb_executable = 'bundle'
-let g:go_fmt_command = 'goimports'
+let g:go_fmt_command = "goimports"
 "let g:ale_linters = {'ruby': ['standardrb']}
 "let g:ale_fixers = { 'python': ['black'], 'ruby': ['standardrb'] }
 "let g:ale_fix_on_save = 1
@@ -150,14 +126,14 @@ set hlsearch                "highlight search matches
 set showmatch               "highlight both matching parentheses
 
 " Swap and undo files
-set directory=~/.vim/tmp/swap//,/var/tmp//,/tmp//,.
+set dir=~/.vim/tmp/swap//,/var/tmp//,/tmp//,.
 "set undodir=~/.vim/tmp/undo//,.
 
 " Buffer management
-set switchbuf=usetab      "make :sb <filename> go to tabs too
+set swb=usetab      "make :sb <filename> go to tabs too
 
 " SuperTab options
-let g:SuperTabDefaultCompletionType = 'context'
+let g:SuperTabDefaultCompletionType = "context"
 " Complete options (disable preview scratch window)
 set completeopt=menu,menuone,longest
 " Limit popup menu height
@@ -209,7 +185,7 @@ xmap ga <Plug>(EasyAlign)
 nmap ga <Plug>(EasyAlign)
 
 " organ
-if ! exists('g:organ_loaded')
+if ! exists("g:organ_loaded")
   let g:organ_config = {}
   let g:organ_config.speedkeys = 1
 endif
@@ -222,10 +198,10 @@ let g:EditorConfig_exclude_patterns = ['fugitive://.\*']
 
 " Restore last known cursor position
 function! ResCur()
-  if &filetype ==# 'netrw'
+  if &filetype == 'netrw'
     return 0
   endif
-  if line("'\"") <= line('$')
+  if line("'\"") <= line("$")
     normal! g`"
     return 1
   endif
@@ -236,7 +212,7 @@ if has('macunix')
   function! OpenURLUnderCursor()
     let s:uri = matchstr(getline('.'), '[a-z]*:\/\/[^ >,;()]*')
     let s:uri = shellescape(s:uri, 1)
-    if s:uri !=# ''
+    if s:uri != ''
       silent exec "!open '".s:uri."'"
       :redraw!
     endif
@@ -245,12 +221,12 @@ if has('macunix')
 endif
 
 " Unfold at cursor position
-if has('folding')
+if has("folding")
   function! UnfoldCur()
     if !&foldenable
       return
     endif
-    let cl = line('.')
+    let cl = line(".")
     if cl <= 1
       return
     endif
@@ -258,7 +234,7 @@ if has('folding')
     let uf  = foldlevel(cl - 1)
     let min = (cf > uf ? uf : cf)
     if min
-      execute 'normal!' min . 'zo'
+      execute "normal!" min . "zo"
       return 1
     endif
   endfunction
@@ -267,7 +243,7 @@ endif
 " Restore last known cursor position on open
 augroup resCur
   autocmd!
-  if has('folding')
+  if has("folding")
     autocmd BufWinEnter * if ResCur() | call UnfoldCur() | endif
   else
     autocmd BufWinEnter * call ResCur()
@@ -293,7 +269,7 @@ endfunction
 
 function! ShellcheckSet(buffer)
   let l:shell = ShellcheckDetect(a:buffer)
-  if l:shell ==# 'bash'
+  if l:shell == 'bash'
     call setbufvar(a:buffer, 'is_bash', 1)
   else
     call setbufvar(a:buffer, 'is_bash', 0)
@@ -334,7 +310,7 @@ endfunction
 map <leader>fs :call FormatSort()<CR>
 
 " Go tools path
-let g:go_bin_path = expand('$HOME') . '/.local/libexec/go/bin'
+let g:go_bin_path = expand('$HOME') . "/.local/libexec/go/bin"
 
 if expand('%:t') =~? 'rfc\d\+' || expand('%:t') =~? 'draft-.*-\d\{2,}'
   setfiletype rfc
@@ -344,7 +320,7 @@ endif
 map <leader>s :mksession!<CR>
 " Restore session if Session.vim exists
 "function! RestoreSession()
-"  if argc() == 0 && filereadable('Session.vim') "vim called without arguments
+"  if argc() == 0 && filereadable("Session.vim") "vim called without arguments
 "    "let answer = confirm('foo?', '&Yes\nNo', 1)
 "    execute 'source Session.vim'
 "  end
@@ -355,9 +331,9 @@ map <leader>s :mksession!<CR>
 source $VIMRUNTIME/macros/matchit.vim
 
 function! UpdateTags()
-  execute ':silent !ctags -R .'
-  execute ':redraw!'
-  echohl StatusLine | echo 'tags updated' | echohl None
+  execute ":silent !ctags -R ."
+  execute ":redraw!"
+  echohl StatusLine | echo "tags updated" | echohl None
 endfunction
 nnoremap <F8> :call UpdateTags()<CR>
 
@@ -375,7 +351,7 @@ function! LocalInit()
 
   if filereadable(s:local_config_file)
     if index(s:local_config_allowed, s:local_config_file) < 0
-      echo 'local config file disallowed: ' . s:local_config_file
+      echo "local config file disallowed: " . s:local_config_file
     else
       call LocalLoad()
     endif