neovim: bunch of changes again

- Fix commit 8a8e0db586 : vim.opt is a table, so it should have been
  vim.o -> vim.opt:get()
- Add filetype.nvim (improved startup time)
- Drop vimtex. Potentially will switch to tex.nvim
- Re-compile packer only inside '/modules' directory (less eager)

home/.config/nvim/lua/autocmd.lua

@@ -1,20 +1,20 @@
 local definitions = {
     -- ':h hex-editing'
-    binary = {
+    -- binary = {
-        {'BufReadPre'  , '*.bin,*.exe', 'let &bin=1'},
+    --     {'BufReadPre'  , '*.bin,*.exe', 'let &bin=1'},
-        {'BufReadPost' , '*.bin,*.exe', 'if &bin | %!xxd'},
+    --     {'BufReadPost' , '*.bin,*.exe', 'if &bin | %!xxd'},
-        {'BufReadPost' , '*.bin,*.exe', 'set ft=xxd | endif'},
+    --     {'BufReadPost' , '*.bin,*.exe', 'set ft=xxd | endif'},
-        {'BufWritePre' , '*.bin,*.exe', 'if &bin | %!xxd -r'},
+    --     {'BufWritePre' , '*.bin,*.exe', 'if &bin | %!xxd -r'},
-        {'BufWritePre' , '*.bin,*.exe', 'endif'},
+    --     {'BufWritePre' , '*.bin,*.exe', 'endif'},
-        {'BufWritePost', '*.bin,*.exe', 'if &bin | %!xxd'},
+    --     {'BufWritePost', '*.bin,*.exe', 'if &bin | %!xxd'},
-        {'BufWritePost', '*.bin,*.exe', 'set nomod | endif'}
+    --     {'BufWritePost', '*.bin,*.exe', 'set nomod | endif'}
-    },
+    -- },
 
     -- Auto-hide UI elements in specific buffers
-    buf = {
+    -- buf = {
-        {'BufEnter', 'term://*', 'setlocal norelativenumber nonumber'},
+    --     {'BufEnter', 'term://*', 'setlocal norelativenumber nonumber'},
     --     {'BufEnter,BufWinEnter,WinEnter,CmdwinEnter', '*', [[if bufname('%') == 'NvimTree' | set laststatus=0 | else | set laststatus=2 | endif]]}
-    },
+    -- },
 
     wins = {
         -- Equalize window dimensions when resizing vim window
@@ -22,15 +22,7 @@ local definitions = {
         -- Force writing shada on leaving nvim
         {'VimLeave', '*', [[if has('nvim') | wshada! | else | wviminfo! | endif]]},
         -- Check if file changed when its window is focus, more eager than 'autoread'
-        {'FocusGained', '* checktime'}
+        -- {'FocusGained', '* checktime'}
-    },
-
-    ft = {
-        {'BufNewFile,BufRead', '*.md,*.mkd', 'setfiletype markdown'},
-        {'BufNewFile,BufRead', '*.toml', 'setfiletype toml'},
-        {'BufNewFile,BufRead', '*.rasi', 'setfiletype css'},
-        {'BufNewFile,BufRead', 'vifmrc,*.vifm', 'setfiletype vim'},
-        {'BufNewFile,BufRead', '*.log,*_log,*.LO,G*_LOG', 'setfiletype log'}
     },
 
     yank = {

home/.config/nvim/lua/mappings.lua

@@ -76,15 +76,16 @@ wk.register({
     -- Switch between tabs and spaces
     ['<A-t>'] = {
         function()
-            if vim.opt.expandtab == true then
+            if vim.opt.expandtab:get() then
-                vim.api.nvim_command('set noexpandtab nosmarttab softtabstop& shiftwidth&')
+                vim.opt.expandtab = false
-                vim.api.nvim_command('echomsg "Switched to indent with tabs"')
+                vim.opt.smarttab = false
+                vim.opt.softtabstop = 0 -- reset to default
+                print('Switched to indent with tabs')
             else
                 vim.opt.expandtab = true
                 vim.opt.smarttab = true
-                vim.opt.softtabstop = 4
+                vim.opt.softtabstop = -1 -- fallback to shiftwidth
-                vim.opt.shiftwidth = 4
+                print('Switched to indent with spaces')
-                vim.api.nvim_command('echomsg "Switched to indent with 4 spaces"')
             end
         end,
         'Switch indent style'

home/.config/nvim/lua/modules/lsp.lua

@@ -107,7 +107,7 @@ function M.lsp_conf()
     --         if p then lua_lib_path[p] = true end
     --     end
     -- end
-    -- for _, site in pairs(vim.split(vim.opt.packpath, ',')) do
+    -- for _, site in pairs(vim.split(vim.opt.packpath:get(), ',')) do
     --     add(site .. '/pack/*/opt/*')
     --     add(site .. '/pack/*/start/*')
     -- end

home/.config/nvim/lua/modules/pack.lua

@@ -54,7 +54,7 @@ packer.init {
 _G.packer_compile_on_save = function()
     local file = fn.expand('%:p')
     local filename = fn.expand('%:p:t')
-    local config_dir = fn.stdpath('config') .. '/lua'
+    local config_dir = fn.stdpath('config') .. '/lua/modules'
 
     if file:match(config_dir) and filename ~= 'pack.lua' then
         vim.api.nvim_command('source <afile> | PackerCompile')

home/.config/nvim/lua/modules/tools.lua

@@ -1,7 +1,9 @@
 local M = {}
 
 function M.telescope_conf()
-    require('telescope').setup {
+    local telescope = require('telescope')
+
+    telescope.setup {
         defaults = {
             prompt_prefix = '   ',
             selection_caret = ' ',
@@ -43,9 +45,9 @@ function M.telescope_conf()
             }
         }
     }
-    require('telescope').load_extension('projects')
+    telescope.load_extension('projects')
-    require('telescope').load_extension('project')
+    telescope.load_extension('project')
-    require('telescope').load_extension('fzf')
+    telescope.load_extension('fzf')
 
     -- wrap lines inside preview pane
     vim.api.nvim_command('autocmd User TelescopePreviewerLoaded setlocal wrap')
@@ -302,4 +304,27 @@ function M.session_conf()
     }
 end
 
+function M.filetype_conf()
+    require('filetype').setup({
+        overrides = {
+            extensions = {
+                md = 'markdown',
+                mkd = 'markdown',
+                toml = 'toml',
+                rasi = 'css',
+                vifm = 'vim',
+                log = 'log',
+                LO = 'log'
+            },
+            literal = {
+                vifmrc = 'vim'
+            },
+            complex = {
+                ['*_log'] = 'log',
+                ['G*_LOG'] = 'log'
+            }
+        }
+    })
+end
+
 return M

home/.config/nvim/lua/modules/ui.lua

@@ -389,7 +389,7 @@ function M.nvimtree_conf()
         lsp_diagnostics = true,
         update_focused_file = {
             enable = true,
-            update_cwd = false,
+            update_cwd = true,
             ignore_list = {}
         },
         system_open = {

home/.config/nvim/lua/options.lua

@@ -20,6 +20,7 @@ function M.disable_default_plugins()
     vim.g.loaded_netrwPlugin       = 1
     vim.g.loaded_netrwSettings     = 1
     vim.g.loaded_netrwFileHandlers = 1
+    vim.g.did_load_filetypes       = 1 -- use filetype.nvim instead
 end
 
 function M.load_options()
@@ -131,9 +132,9 @@ function M.load_options()
     -- opt.numberwidth    = 6
 
     -- 4 spaces = 1 tab
-    opt.tabstop        = 4
-    opt.softtabstop    = 4
     opt.shiftwidth     = 4
+    opt.tabstop        = 4
+    opt.softtabstop    = -1 -- fallback to 'shiftwidth'
     opt.smarttab       = true
     opt.expandtab      = true
     opt.smartindent    = true

home/.config/nvim/lua/plugins.lua

@@ -62,11 +62,6 @@ return packer.startup(function(use)
         'RRethy/vim-illuminate',
         event = 'CursorHold'
     }
-    use {
-        'lukas-reineke/indent-blankline.nvim',
-        after = 'nvim-treesitter',
-        config = editor.blankline_conf
-    }
     -- use { -- TODO: config (lua -> fennel) + learn clojure, fennel, guile scheme
     --     'Olical/conjure',
     --     ft = {'clojure', 'fennel', 'scheme'},
@@ -78,6 +73,11 @@ return packer.startup(function(use)
         event = 'BufRead',
         config = editor.treesitter_conf
     }
+    use {
+        'lukas-reineke/indent-blankline.nvim',
+        after = 'nvim-treesitter',
+        config = editor.blankline_conf
+    }
     use {
         'p00f/nvim-ts-rainbow',
         after = 'nvim-treesitter',
@@ -103,10 +103,7 @@ return packer.startup(function(use)
         after = 'nvim-treesitter',
         config = editor.matchup_conf
     }
-    use {
+    use {'machakann/vim-sandwich', keys = 's'}
-        'machakann/vim-sandwich',
-        keys = 's'
-    }
     use {
         'phaazon/hop.nvim',
         cmd = {'HopChar1', 'HopChar2', 'HopWord', 'HopPattern', 'HopLine'},
@@ -128,7 +125,7 @@ return packer.startup(function(use)
     }
     use {
         'editorconfig/editorconfig-vim',
-        ft = {'go', 'rust', 'python', 'c', 'cpp', 'javascript', 'typescript', 'vim', 'zig'}
+        event = {'BufNewFile', 'BufRead'}
     }
     use { -- TODO: move to nvim-parinfer (lua)
         'eraserhd/parinfer-rust',
@@ -220,7 +217,7 @@ return packer.startup(function(use)
     --     run = './install.sh',
     --     config = completion.tabnine_conf
     -- }
-    use {'kdheepak/cmp-latex-symbols', after = {'nvim-cmp', 'vimtex'}}
+    use {'kdheepak/cmp-latex-symbols', after = 'nvim-cmp'}
     -- use {'andersevenrud/compe-tmux', after = 'nvim-cmp', branch = 'cmp'}
     -- use {'PaterJason/cmp-conjure', after = {'conjure', 'nvim-cmp'}}
     use {
@@ -327,11 +324,6 @@ return packer.startup(function(use)
         ft = 'org',
         config = tools.orgmode_conf
     }
-    use { -- TODO: config
-        'lervag/vimtex',
-        ft = 'tex',
-        setup = tools.vimtext_conf
-    }
     use {
         'windwp/nvim-spectre',
         event = {'BufRead', 'BufNewFile'},
@@ -384,10 +376,15 @@ return packer.startup(function(use)
         event = 'BufEnter',
         config = tools.session_conf
     }
+    use { -- Replace default filetype.vim
+        'nathom/filetype.nvim',
+        config = tools.filetype_conf
+    }
     use {'dstein64/vim-startuptime', cmd = 'StartupTime'} -- Just for benchmarking
 
     -- TODO: dial.nvim, rust-tools.nvim, crates.nvim, go.nvim, clojure-vim/*,
-    -- nvim-bqf, nvim-comment-frame, nvim-revJ.lua, nvim-remote-containers
+    -- nvim-bqf, nvim-comment-frame, nvim-revJ.lua, nvim-remote-containers,
+    -- tex.nvim, telescope-lsp-handlers.nvim
 
     -- Install plugins if missing
     packer.install()