neovim: configure packer.nvim + add iswap.nvim

home/.config/nvim/after/ftplugin/markdown.vim

@@ -1,2 +1,3 @@
+setlocal spell
 setlocal wrap
 " setlocal nonumber norelativenumber

home/.config/nvim/after/ftplugin/tex.vim

@@ -1,2 +1,3 @@
+setlocal spell
 setlocal wrap
 " setlocal nonumber norelativenumber

home/.config/nvim/init.lua

@@ -2,7 +2,7 @@ local async
 async = vim.loop.new_async(vim.schedule_wrap(function()
     require('plugins')
     require('mappings')
-    require('events').load_autocmds()
+    require('autocmd')
     async:close()
 end))
 

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

@@ -0,0 +1,49 @@
+local definitions = {
+    -- ':h hex-editing'
+    binary = {
+        {'BufReadPre'  , '*.bin,*.exe', 'let &bin=1'},
+        {'BufReadPost' , '*.bin,*.exe', 'if &bin | %!xxd'},
+        {'BufReadPost' , '*.bin,*.exe', 'set ft=xxd | endif'},
+        {'BufWritePre' , '*.bin,*.exe', 'if &bin | %!xxd -r'},
+        {'BufWritePre' , '*.bin,*.exe', 'endif'},
+        {'BufWritePost', '*.bin,*.exe', 'if &bin | %!xxd'},
+        {'BufWritePost', '*.bin,*.exe', 'set nomod | endif'}
+    },
+
+    -- Auto-hide UI elements in specific buffers
+    buf = {
+        {'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
+        {'VimResized', '*', 'tabdo wincmd ='},
+        -- 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'}
+    },
+
+    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 = {
+        {'TextYankPost', [[* silent! lua vim.highlight.on_yank({higroup='IncSearch', timeout=300})]]}
+    }
+}
+
+for group_name, definition in pairs(definitions) do
+    vim.api.nvim_command('augroup ' .. group_name)
+    vim.api.nvim_command('autocmd!')
+    for _, def in ipairs(definition) do
+        local command = table.concat(vim.tbl_flatten{'autocmd', def}, ' ')
+        vim.api.nvim_command(command)
+    end
+    vim.api.nvim_command('augroup END')
+end

home/.config/nvim/lua/colors/nord.lua

@@ -297,22 +297,15 @@ local function highlight_plugins()
     hi('rainbowcol6', c.blue, '', 'bold', '')
     hi('rainbowcol7', c.purple, '', 'bold', '')
 
-    -- todo-comments
-    hi('TodoDefault', c.fg, '', 'bold', '')
-    hi('TodoError', c.red, '', 'bold', '')
-    hi('TodoWarn', c.yellow, '', 'bold', '')
-    hi('TodoInfo', c.blue, '', 'bold', '')
-    hi('TodoHint', c.cyan, '', 'bold', '')
-
     -- hop.nvim
     hi('HopNextKey', c.red, '', 'bold', '')
     hi('HopNextKey1', c.cyan, '', 'bold', '')
     hi('HopNextKey2', c.dark_blue, '', '', '')
-    hi('HopUnmatched', c.grey3, '', '', '')
+    vim.api.nvim_command('hi! link HopUnmatched LineNr')
 
     -- vim-eft
-    hi('EftChar'   , c.orange, '', 'bold,underline', '')
-    hi('EftSubChar', c.grey3, '', 'bold,underline', '')
+    hi('EftChar', c.orange, '', 'bold,underline', '')
+    vim.api.nvim_command('hi! link EftSubChar LineNr')
 
     -- dashboard-nvim / alpha-nvim
     hi('DashboardHeader'  , c.blue       , '', 'bold'       , '')

home/.config/nvim/lua/events.lua

@@ -1,86 +0,0 @@
-local plug_dir = vim.fn.stdpath('config') .. '/lua'
-local M = {}
-
-function M.packer_compile()
-    local file = vim.fn.expand('%:p')
-    if file:match(plug_dir) then
-        vim.api.nvim_command('source <afile> | PackerCompile')
-    end
-end
-
-function M.nvim_create_augroups(definitions)
-    for group_name, definition in pairs(definitions) do
-        vim.api.nvim_command('augroup ' .. group_name)
-        vim.api.nvim_command('autocmd!')
-        for _, def in ipairs(definition) do
-            local command = table.concat(vim.tbl_flatten{'autocmd', def}, ' ')
-            vim.api.nvim_command(command)
-        end
-        vim.api.nvim_command('augroup END')
-    end
-end
-
-function M.load_autocmds()
-    local definitions = {
-        plugins = {
-            -- Wrap lines in preview window
-            -- {"User TelescopePreviewerLoaded", [[setlocal wrap]]},
-
-            -- Re-compile packer on config changed
-            {"BufWritePost", "*.lua", "lua require('events').packer_compile()"},
-
-            -- Register binding for ToggleTerm inside term mode
-            {"TermEnter", "term://*toggleterm#*", "tnoremap <silent><C-\\> <C-\\><C-n>:ToggleTerm<CR>"}
-        },
-
-        -- Edit binary files in hex with xxd (:%!xxd and :%!xxd -r)
-        -- or using nvim -b to edit files using xxd-format
-        binary = {
-            {"BufReadPre"  , "*.bin,*.exe", "let &bin=1"},
-            {"BufReadPost" , "*.bin,*.exe", "if &bin | %!xxd"},
-            {"BufReadPost" , "*.bin,*.exe", "set ft=xxd | endif"},
-            {"BufWritePre" , "*.bin,*.exe", "if &bin | %!xxd -r"},
-            {"BufWritePre" , "*.bin,*.exe", "endif"},
-            {"BufWritePost", "*.bin,*.exe", "if &bin | %!xxd"},
-            {"BufWritePost", "*.bin,*.exe", "set nomod | endif"}
-        },
-
-        buf = {
-            -- Auto-spelling in doc files
-            {"BufNewFile,BufRead", "*.md,*.mkd", "setlocal spell"},
-            {"BufNewFile,BufRead", "*.tex", "setlocal spell"},
-
-            -- Auto-hide numbers, statusline in specific buffers
-            -- {"BufEnter", "term://*", "setlocal norelativenumber nonumber"},
-            -- {"BufEnter", "term://*", "set laststatus=0"},
-            -- {"BufEnter,BufWinEnter,WinEnter,CmdwinEnter", "*", [[if bufname('%') == "NvimTree" | set laststatus=0 | else | set laststatus=2 | endif]]}
-        },
-
-        wins = {
-            -- Equalize window dimensions when resizing vim window
-            {"VimResized", "*", [[tabdo wincmd =]]},
-
-            -- 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"}
-        },
-
-        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 = {
-            {"TextYankPost", [[* silent! lua vim.highlight.on_yank({higroup="IncSearch", timeout=300})]]}
-        }
-    }
-
-    M.nvim_create_augroups(definitions)
-end
-
-return M

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

@@ -52,10 +52,10 @@ wk.register({
     L = {'$', 'End of the line'},
 
     -- Easier moving between windows
-    ['<C-h>'] = {'<C-w>h', 'Go to the left window'},
-    ['<C-l>'] = {'<C-w>l', 'Go to the right window'},
-    ['<C-j>'] = {'<C-w>j', 'Go to the down window'},
-    ['<C-k>'] = {'<C-w>k', 'Go to the up window'},
+    -- ['<C-h>'] = {'<C-w>h', 'Go to the left window'},
+    -- ['<C-l>'] = {'<C-w>l', 'Go to the right window'},
+    -- ['<C-j>'] = {'<C-w>j', 'Go to the down window'},
+    -- ['<C-k>'] = {'<C-w>k', 'Go to the up window'},
     ['<C-q>'] = {'<C-w>q', 'Quit a window'},
 
     -- Copy the whole buffer
@@ -133,7 +133,11 @@ wk.register({
 -- Normal mode (with leader key) --
 -----------------------------------
 wk.register({
-    a = {':EasyAlign<CR>', 'Align'},
+    a = {
+        name = 'Action',
+        a = {':EasyAlign<CR>', 'Align elements'},
+        s = {':ISwapWith<CR>', 'Swap elements'}
+    },
 
     b = {
         name = 'Buffer/Tab',
@@ -315,7 +319,10 @@ wk.register({
 -- Visual mode (with leader key) --
 -----------------------------------
 wk.register({
-    a = {':EasyAlign<CR>', 'Range align'},
+    a = {
+        name = 'Action',
+        a = {':EasyAlign<CR>', 'Range align'}
+    },
 
     d = {
         name = 'DAP',

home/.config/nvim/lua/modules/completion.lua

@@ -54,7 +54,7 @@ function M.cmp_conf()
                     nvim_lsp = '[LSP]',
                     -- cmp_tabnine = '[TN]',
                     latex_symbols = '[TEX]',
-                    tmux = '[TMUX]',
+                    -- tmux = '[TMUX]',
                     orgmode = '[ORG]'
                 })[entry.source.name]
 
@@ -121,7 +121,7 @@ function M.cmp_conf()
             -- {name = 'cmp_tabnine'},
             {name = 'conjure'},
             {name = 'latex_symbols'},
-            {name = 'tmux'},
+            -- {name = 'tmux'},
             {name = 'orgmode'}
         }
     }

home/.config/nvim/lua/modules/editor.lua

@@ -66,6 +66,7 @@ function M.treesitter_conf()
         textobjects = {
             select = {
                 enable = true,
+                lookahead = true,
                 keymaps = {
                     ['af'] = '@function.outer',
                     ['if'] = '@function.inner',
@@ -98,6 +99,34 @@ function M.treesitter_conf()
     }
 end
 
+function M.iswap_conf()
+    require('iswap').setup {
+        -- The keys that will be used as a selection, in order
+        -- ('asdfghjklqwertyuiopzxcvbnm' by default)
+        -- keys = 'qwertyuiop',
+
+        -- Grey out the rest of the text when making a selection
+        -- (enabled by default)
+        -- grey = 'disable',
+
+        -- Highlight group for the sniping value (asdf etc.)
+        -- default 'Search'
+        -- hl_snipe = 'ErrorMsg',
+
+        -- Highlight group for the visual selection of terms
+        -- default 'Visual'
+        -- hl_selection = 'WarningMsg',
+
+        -- Highlight group for the greyed background
+        -- default 'Comment'
+        hl_grey = 'LineNr',
+
+        -- Automatically swap with only two arguments
+        -- default nil
+        autoswap = true
+    }
+end
+
 function M.rainbow_conf()
     require('nvim-treesitter.configs').setup {
         rainbow = {

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

@@ -228,11 +228,11 @@ end
 --             exclude = {'org'}, -- list of file types to exclude highlighting
 --         },
 --         colors = {
---             error = {'TodoError', 'Red'},
---             warning = {'TodoWarn', 'Yellow'},
---             info = {'TodoInfo', 'Blue'},
---             hint = {'TodoHint', 'Cyan'},
---             default = {'TodoDefault', 'White'}
+--             error = {'LspDiagnosticsDefaultError', 'Red'},
+--             warning = {'LspDiagnosticsDefaultWarning', 'Yellow'},
+--             info = {'LspDiagnosticsDefaultInformation', 'Blue'},
+--             hint = {'LspDiagnosticsDefaultHint', 'Cyan'},
+--             default = {'Normal', 'White'}
 --         },
 --         search = {
 --             command = 'rg',

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

@@ -0,0 +1,65 @@
+local fn, api = vim.fn, vim.api
+
+-- Require since we use 'packer' as opt
+api.nvim_command('packadd packer.nvim')
+local present, packer = pcall(require, 'packer')
+
+if not present then
+    local packer_dir = fn.stdpath('data') .. '/site/pack/packer/opt/packer.nvim'
+
+    print('Cloning packer ...')
+    -- remove packer_dir before cloning
+    fn.delete(packer_dir, 'rf')
+    fn.system {'git', 'clone', 'https://github.com/wbthomason/packer.nvim', packer_dir}
+    api.nvim_command('packadd packer.nvim')
+    present, packer = pcall(require, 'packer')
+
+    if present then
+        print('Pakcer cloned successfully.')
+    else
+        error('Git clone error for packer!')
+    end
+end
+
+local util = require('packer.util')
+
+packer.init {
+    compile_path = util.join_paths(fn.stdpath('data'), 'site', 'plugin', 'packer_compiled.lua'),
+    auto_clean = true,
+    compile_on_sync = true,
+    auto_reload_compiled = true,
+    git = {
+        -- default_url_format = 'https://github.com/%s',
+        clone_timeout = 120
+    },
+    display = {
+        -- open_fn = function()
+        --     return util.float {border = 'single'}
+        -- end,
+        open_cmd = '60vnew \\[packer\\]',
+        working_sym = '⟳',
+        error_sym = '✗',
+        done_sym = '✓',
+        removed_sym = '-',
+        moved_sym = '→',
+        header_sym = '━',
+        show_all_info = true,
+        prompt_boder = 'single'
+    },
+    -- profile = {enable = true, threshold = 1},
+    luarocks = {python_cmd = 'python3'}
+}
+
+-- Re-compile packer on config changed
+_G.packer_compile_on_save = function()
+    local file = fn.expand('%:p')
+    local filename = fn.expand('%:p:t')
+    local config_dir = fn.stdpath('config') .. '/lua'
+
+    if file:match(config_dir) and filename ~= 'pack.lua' then
+        vim.api.nvim_command('source <afile> | PackerCompile')
+    end
+end
+api.nvim_command('autocmd BufWritePost *.lua lua packer_compile_on_save()')
+
+return packer

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

@@ -46,6 +46,9 @@ function M.telescope_conf()
     require('telescope').load_extension('projects')
     require('telescope').load_extension('project')
     require('telescope').load_extension('fzf')
+
+    -- wrap lines inside preview pane
+    vim.api.nvim_command('autocmd User TelescopePreviewerLoaded setlocal wrap')
 end
 
 function M.octo_conf()

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

@@ -1,16 +1,9 @@
-local fn,api = vim.fn,vim.api
-local packer_dir = fn.stdpath('data') .. '/site/pack/packer/opt/packer.nvim'
+local packer = require('modules.pack')
 
-if fn.empty(fn.glob(packer_dir)) > 0 then
-    fn.system({'git', 'clone', 'https://github.com/wbthomason/packer.nvim', packer_dir})
-    api.nvim_command('packadd packer.nvim')
-end
+-- This is recommended when using `luafile <afile>` a lot
+-- packer.reset()
 
--- Require since we use 'packer' as opt
-api.nvim_command [[packadd packer.nvim]]
-
-return require('packer').startup(
-    function(use)
+return packer.startup(function(use)
     use {'wbthomason/packer.nvim', opt = true}
 
     ---------------------------------
@@ -112,6 +105,12 @@ return require('packer').startup(
         'nvim-treesitter/nvim-treesitter-textobjects',
         after = 'nvim-treesitter'
     }
+    use {
+        'mizlan/iswap.nvim',
+        cmd = {'ISwapWith', 'ISwap'},
+        wants = 'nvim-treesitter',
+        config = editor.iswap_conf
+    }
     use {
         'andymass/vim-matchup',
         after = 'nvim-treesitter',
@@ -234,7 +233,7 @@ return require('packer').startup(
     --     config = completion.tabnine_conf
     -- }
     use {'kdheepak/cmp-latex-symbols', after = {'nvim-cmp', 'vimtex'}}
-        use {'andersevenrud/compe-tmux', after = 'nvim-cmp', branch = 'cmp'}
+    -- use {'andersevenrud/compe-tmux', after = 'nvim-cmp', branch = 'cmp'}
     use {'PaterJason/cmp-conjure', after = {'conjure', 'nvim-cmp'}}
     use {
         'windwp/nvim-autopairs',
@@ -395,9 +394,11 @@ return require('packer').startup(
         event = 'BufEnter',
         config = tools.session_conf
     }
-        -- use {'dstein64/vim-startuptime', cmd = 'StartupTime'} -- Just for benchmarking
+    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
-    end
-)
+
+    -- Install plugins if missing
+    packer.install()
+end)

home/.local/bin/doasedit

@@ -0,0 +1,104 @@
+#!/usr/bin/env sh
+
+# doasedit
+# Link:         git.io/doasedit
+
+# Dependencies: opendoas <https://github.com/Duncaen/OpenDoas> or doas <https://cvsweb.openbsd.org/src/usr.bin/doas/>
+
+# Author:       Stanislav <git.io/monesonn>
+# Description:  doas equivalent to sudoedit.
+# Licence:      ISC
+# Contribution: If you have some ideas, how to improve this script, feel free to make pull request or write an issue.
+
+# Tips:         Use this script with enabled persistence in doas.conf file, like:
+#
+#                   `permit persist :wheel`
+#
+#               Also make sure that your doas.conf is owned by root with read-only permissions, like:
+#
+#                   # chown -c root:root /path/to/doas.conf && chmod 0400 path/to/doas.conf
+#
+
+# Throw error message.
+err() {
+    printf "%s%s\n" "doasedit: " "${1}" >&2
+    exit "${2}"
+}
+
+# Catch arguments.
+if [ -n "${2}" ]; then
+    err "expected only one argument" 1
+elif [ -z "${1}" ]; then
+    err "no file path provided" 2
+elif [ "$(id -u)" -eq 0 ]; then
+    err "doasedit: cannot be run as root" 3
+elif [ -d "${1}" ]; then
+    err "${1} is a directory" 4
+fi
+
+# Safe shell options.
+set -eu
+
+# Reset doas password promt. If you want, feel free to comment this.
+case "$(uname -s | tr '[:upper:]' '[:lower:]')" in
+    linux) doas -L ;;
+esac
+
+# Absolute path to the source file (file for editing).
+src="$(doas readlink -f "${1}")"
+
+# Filename for the source file.
+filename="${src##*/}"
+
+# If filename have suffix then also use it for a temporary file.
+# It's kinda useful for editors, that have plugins or something else for certain file extensions.
+[ "$filename" = "${filename##*.}" ] && filename_ext="" || filename_ext=".${filename##*.}"
+
+# Be sure /tmp as tmp directory by setting TMPDIR env.
+export TMPDIR=/tmp
+
+# Create a temporary directory.
+tmp_d=$(mktemp -d)
+
+# Create a temporary file for the source file in a temporary directory.
+tmp_f="${tmp_d}/${filename}$(xxd -l4 -ps /dev/urandom)${filename_ext}"
+
+# File writeability condition.
+if [ -w "$src" ]; then
+    err "$filename: editing files in a writable directory is not permitted" 5
+fi
+
+# Other conditions: if file exist, readable, etc.
+if [ -f "${src}" ] && [ ! -r "${src}" ]; then
+    doas cat "${src}" > "${tmp_f}" || err "the file is not readable" 6
+elif [ -r "${src}" ]; then
+    cat "${src}" > "${tmp_f}" || err "cannot transfer to content of the file to temporary one" 7
+elif [ ! -f "${src}" ]; then
+    # Grant .rw-r--r-- permission for newly created files by default owned by root.
+    :> "${tmp_f}" && doas chmod -R 0644 "${tmp_f}" || err "cannot create new file" 8
+else
+    err "unexpected script behaviour" 9
+fi
+
+# Create copy of the temporary file.
+tmp_cf="${tmp_d}/${filename}$(xxd -l4 -ps /dev/urandom).copy"
+
+# Hooks for recursive removing of a temporary directory.
+trap 'rm -rf ${tmp_d}' EXIT HUP QUIT TERM INT ABRT
+
+# Move the contents of a temporary file to its copy for later comparison.
+cat "${tmp_f}" > "${tmp_cf}"
+
+# Editing the file by the user using the default editor, if not specified, the vi is used.
+${EDITOR:-vi} "${tmp_f}"
+
+# Compare the temporary file and the temporary copy.
+if cmp -s "${tmp_f}" "${tmp_cf}"; then
+    printf "%s\n" "doasedit: $filename unchanged"
+    exit 0
+else
+    # Replace the source file with temporary, repeats three times if it fails.
+    for doas_tries in $(seq 1 3); do doas cp -f "${tmp_f}" "${src}" && break; done
+    printf "%s\n" "doasedit: $filename changes are accepted"
+    exit 0
+fi

home/.local/bin/pancomp

@@ -1,20 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "-h" ]; then
-  echo "Usage: pancomp [input_format] [input_file] [output_format] [output_file]"
-  exit 0
-fi
-
-if [ $# -ne 4 ]; then
-  echo "Bruh, I need 4 arguments."
-  exit 1
-fi
-
-pandoc \
-  --pdf-engine=xelatex \
-  -V 'mainfont:Iosevka Etoile' \
-  -V 'sansfont:Iosevka Aile' \
-  -V 'monofont:Iosevka' \
-  -V 'geometry:margin=1in' \
-  -f "$1" -t "$3" \
-  -o "$4" "$2"