checkpoint

7 files changed, 278 insertions, 195 deletions

diff --git a/config/essentials/vis/Makefile b/config/essentials/vis/Makefile
index 5f41043..be230e3 100644
--- a/config/essentials/vis/Makefile
+++ b/config/essentials/vis/Makefile
@@ -1,16 +1,11 @@
-.PHONY: check format check-luacheck check-format
+.PHONY: check format all
 
-LUA_FILES := $(shell find -name "*.lua")
+LUA_FILES := $(shell find . -name "*.lua")
 
-check: check-luacheck 
+all: check format
 
-all: check check-format
-
-check-luacheck:
-	luacheck --globals=vis -- $(LUA_FILES)
-
-check-format:
-	set -e; for lf in $(LUA_FILES); do tools/check-format "$${lf}"; done
+check:
+	luacheck --no-color --globals=vis -- $(LUA_FILES)
 
 format:
 	lua-format -i $(LUA_FILES)
diff --git a/config/essentials/vis/backup.lua b/config/essentials/vis/backup.lua
new file mode 100644
index 0000000..f48895f
--- /dev/null
+++ b/config/essentials/vis/backup.lua
@@ -0,0 +1,47 @@
+local backup = {}
+
+-- Return the backup path concatenated with the filename, replace / with %
+backup.entire_path_with_double_percentage_signs =
+    function(backup_dir, path)
+        return backup_dir .. "/" .. string.gsub(path, "/", "%%")
+    end
+
+-- Return the backup path concatenated with the filename, replace / with %
+-- and append the current time using time_format
+backup.entire_path_with_double_percentage_signs_and_timestamp = function(
+    backup_dir, path)
+    return backup_dir .. "/" .. os.date(backup.time_format) ..
+               string.gsub(path, "/", "%%")
+end
+
+-- Before saving the file, copy the current contents of the file to a backup file
+vis.events.subscribe(vis.events.FILE_SAVE_PRE, function(file, path)
+    if file.size > backup.byte_limit then return end
+
+    -- E.g. when editing stdin as an interactive filter
+    -- `vis -`
+    if path == nil then return end
+
+    local backup_path = backup.get_fname(backup.directory, path)
+
+    local backup_file = io.open(backup_path, "w")
+    local current_file = io.open(path)
+    if backup_file == nil or current_file == nil then return end
+
+    for line in current_file:lines() do backup_file:write(line .. "\n") end
+
+    backup_file:close()
+end)
+
+-- Set defaults
+backup.directory = os.getenv("XDG_DATA_HOME") .. "/Trash/vis-backups"
+
+backup.get_fname = backup.entire_path_with_double_percentage_signs
+
+backup.time_format = "%H-%M-"
+
+-- Do not make backups if the file is greater than this
+-- 1MB by default
+backup.byte_limit = 1000000
+
+return backup
diff --git a/config/essentials/vis/build.lua b/config/essentials/vis/build.lua
new file mode 100644
index 0000000..8a062cd
--- /dev/null
+++ b/config/essentials/vis/build.lua
@@ -0,0 +1,66 @@
+-- Copyright (c) 2024 Florian Fischer. All rights reserved.
+--
+-- vis-build is free software: you can redistribute it and/or modify it under
+-- the terms of the GNU General Public License as published by the Free Software
+-- Foundation, either version 3 of the License, or (at your option) any later
+-- version.
+--
+-- vis-build is distributed in the hope that it will be useful, but WITHOUT
+-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+-- FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License along with
+-- vis-build found in the LICENSE file.
+-- If not, see <https://www.gnu.org/licenses/>.
+local M = {}
+M.get_default_build_cmd = function() return 'make' end
+
+local build_id = 0
+local builds = {}
+
+M.new_build = function(cmd)
+    build_id = build_id + 1
+    local build_name = 'build' .. build_id
+    local build_fd = vis:communicate(build_name, cmd)
+    local build = {fd = build_fd, out = '', err = '', cmd = cmd}
+    builds[build_name] = build
+end
+
+vis.events.subscribe(vis.events.PROCESS_RESPONSE,
+                     function(name, event, code, msg)
+    local build = builds[name]
+    if not build then return end
+
+    if event == 'EXIT' or event == 'SIGNAL' then
+        if code ~= 0 then
+            vis:message('build: ' .. name .. ' cmd: ' .. build.cmd)
+            if event == 'EXIT' then
+                vis:message('failed with: ' .. code)
+            else
+                vis:message('got signal: ' .. code)
+            end
+            vis:message('stdout:\n' .. build.out)
+            vis:message('stderr:\n' .. build.err)
+        else
+            vis:message(name .. ':\n' .. build.out)
+        end
+        builds[name] = nil
+    end
+
+    if event == 'STDOUT' then
+        build.out = build.out .. msg
+    elseif event == 'STDERR' then
+        build.err = build.err .. msg
+    end
+end)
+
+vis:command_register('build', function(argv)
+    M.new_build(argv[1] or M.get_default_build_cmd())
+end, 'Asynchronously build the current file or project')
+
+vis:map(vis.modes.NORMAL, '<M-b>', function()
+    vis:command('build')
+    return 0
+end, 'Asynchronously build the current file or project')
+
+return M
diff --git a/config/essentials/vis/cursors.lua b/config/essentials/vis/cursors.lua
index a4e7fa3..37165b6 100644
--- a/config/essentials/vis/cursors.lua
+++ b/config/essentials/vis/cursors.lua
@@ -7,10 +7,10 @@ M.maxsize = 1000
 
 -- get the default system cache directory
 local get_default_cache_path = function()
-	local HOME = os.getenv('HOME')
-	local XDG_CACHE_HOME = os.getenv('XDG_CACHE_HOME')
-	local BASE = XDG_CACHE_HOME or HOME
-	return BASE .. '/.vis-cursors'
+    local HOME = os.getenv('HOME')
+    local XDG_CACHE_HOME = os.getenv('XDG_CACHE_HOME')
+    local BASE = XDG_CACHE_HOME or HOME
+    return BASE .. '/.vis-cursors'
 end
 
 -- default save path
@@ -18,100 +18,83 @@ M.path = get_default_cache_path()
 
 local read_files = function()
 
-	-- read file
-	local file = io.open(M.path)
-	if file == nil then
-		return
-	end
+    -- read file
+    local file = io.open(M.path)
+    if file == nil then return end
 
-	files = {}
+    files = {}
 
-	-- read positions per file path
-	for line in file:lines() do
-		for path, pos in string.gmatch(line, '(.+)[,%s](%d+)') do
-			cursors[path] = pos
-			table.insert(files, path)
-		end
-	end
+    -- read positions per file path
+    for line in file:lines() do
+        for path, pos in string.gmatch(line, '(.+)[,%s](%d+)') do
+            cursors[path] = pos
+            table.insert(files, path)
+        end
+    end
 
-	file:close()
+    file:close()
 end
 
 -- read cursors from file on init
-local on_init = function()
-	read_files()
-end
+local on_init = function() read_files() end
 
 -- apply cursor pos on win open
 local on_win_open = function(win)
 
-	if win.file == nil or win.file.path == nil then
-		return
-	end
+    if win.file == nil or win.file.path == nil then return end
 
-	-- init cursor path if nil
-	local pos = cursors[win.file.path]
-	if pos == nil then
-		cursors[win.file.path] = win.selection.pos
-		return
-	end
+    -- init cursor path if nil
+    local pos = cursors[win.file.path]
+    if pos == nil then
+        cursors[win.file.path] = win.selection.pos
+        return
+    end
 
-	-- set current cursor
-	win.selection.pos = tonumber(pos)
+    -- set current cursor
+    win.selection.pos = tonumber(pos)
 
-	-- center view around cursor
-	vis:feedkeys("zz")
+    -- center view around cursor
+    vis:feedkeys("zz")
 end
 
 -- set cursor pos on close
 local on_win_close = function(win)
 
-	if win.file == nil or win.file.path == nil then
-		return
-	end
-
-	-- re-read files in case they've changed
-	read_files()
+    if win.file == nil or win.file.path == nil then return end
 
-	-- remove old occurences of current path
-	for i, path in ipairs(files) do
-		if path == win.file.path then
-			table.remove(files, i)
-		end
-	end
+    -- re-read files in case they've changed
+    read_files()
 
-	-- ignore files with cursor at the beginning
-	if win.selection.pos == 0 then
-		return
-	end
+    -- remove old occurences of current path
+    for i, path in ipairs(files) do
+        if path == win.file.path then table.remove(files, i) end
+    end
 
+    -- ignore files with cursor at the beginning
+    if win.selection.pos == 0 then return end
 
-	-- insert current path to top of files
-	table.insert(files, 1, win.file.path)
+    -- insert current path to top of files
+    table.insert(files, 1, win.file.path)
 
-	-- set cursor pos for current file path
-	cursors[win.file.path] = win.selection.pos
+    -- set cursor pos for current file path
+    cursors[win.file.path] = win.selection.pos
 end
 
 -- write cursors to file on quit
 local on_quit = function()
 
-	local file = io.open(M.path, 'w+')
-	if file == nil then
-		return
-	end
-
-	-- buffer cursors string
-	local buffer = {}
-	for _, path in ipairs(files) do
-		table.insert(buffer, string.format('%s,%d', path, cursors[path]))
-		if M.maxsize and #buffer >= M.maxsize then
-			break
-		end
-	end
-	local output = table.concat(buffer, '\n')
-	file:write(output)
-	file:close()
+    local file = io.open(M.path, 'w+')
+    if file == nil then return end
+
+    -- buffer cursors string
+    local buffer = {}
+    for _, path in ipairs(files) do
+        table.insert(buffer, string.format('%s,%d', path, cursors[path]))
+        if M.maxsize and #buffer >= M.maxsize then break end
+    end
+    local output = table.concat(buffer, '\n')
+    file:write(output)
+    file:close()
 end
 
 vis.events.subscribe(vis.events.INIT, on_init)
diff --git a/config/essentials/vis/themes/nord.lua b/config/essentials/vis/themes/nord.lua
index a21f0fa..71635cf 100644
--- a/config/essentials/vis/themes/nord.lua
+++ b/config/essentials/vis/themes/nord.lua
@@ -1,65 +1,64 @@
 -- base16-vis (https://github.com/pshevtsov/base16-vis)
 -- by Petr Shevtsov
 -- Nord scheme by arcticicestudio
-
 local lexers = vis.lexers
 
 local colors = {
-	['bg'] = '#2E3440',
-	['black'] = '#3B4252',
-	['light_black'] = '#434C5E',
-	['dark_gray'] = '#4C566A',
-	['gray'] = '#D8DEE9',
-	['light_gray'] = '#616E88',
-	['fg'] = '#E5E9F0',
-	['white'] = '#ECEFF4',
-	['turquoise'] = '#8FBCBB',
-	['light_cyan'] = '#88C0D0',
-	['cyan'] = '#81A1C1',
-	['blue'] = '#5E81AC',
-	['red'] = '#BF616A',
-	['orange'] = '#D08770',
-	['yellow'] = '#EBCB8B',
-	['green'] = '#A3BE8C',
-	['magenta'] = '#B48EAD',
+    ['bg'] = '#2E3440',
+    ['black'] = '#3B4252',
+    ['light_black'] = '#434C5E',
+    ['dark_gray'] = '#4C566A',
+    ['gray'] = '#D8DEE9',
+    ['light_gray'] = '#616E88',
+    ['fg'] = '#E5E9F0',
+    ['white'] = '#ECEFF4',
+    ['turquoise'] = '#8FBCBB',
+    ['light_cyan'] = '#88C0D0',
+    ['cyan'] = '#81A1C1',
+    ['blue'] = '#5E81AC',
+    ['red'] = '#BF616A',
+    ['orange'] = '#D08770',
+    ['yellow'] = '#EBCB8B',
+    ['green'] = '#A3BE8C',
+    ['magenta'] = '#B48EAD'
 }
 
 lexers.colors = colors
 
-local fg = 'fore:'..colors.fg
-local bg = 'back:'..colors.bg
+local fg = 'fore:' .. colors.fg
+local bg = 'back:' .. colors.bg
 
-lexers.STYLE_DEFAULT = bg..','..fg
+lexers.STYLE_DEFAULT = bg .. ',' .. fg
 lexers.STYLE_NOTHING = bg
-lexers.STYLE_CLASS = 'fore:'..colors.blue
-lexers.STYLE_COMMENT = 'fore:'..colors.light_gray..',italics'
-lexers.STYLE_CONSTANT = 'fore:'..colors.cyan
-lexers.STYLE_DEFINITION = 'fore:'..colors.green
-lexers.STYLE_ERROR = 'fore:'..colors.light_cyan..',italics'
-lexers.STYLE_FUNCTION = 'fore:'..colors.light_cyan..',bold'
-lexers.STYLE_HEADING = 'fore:'..colors.bg..',back:'..colors.yellow
-lexers.STYLE_KEYWORD = 'fore:'..colors.cyan..',bold'
-lexers.STYLE_LABEL = 'fore:'..colors.blue
-lexers.STYLE_NUMBER = 'fore:'..colors.magenta
-lexers.STYLE_OPERATOR = 'fore:'..colors.light_cyan
-lexers.STYLE_REGEX = 'fore:'..colors.orange
-lexers.STYLE_STRING = 'fore:'..colors.green
-lexers.STYLE_PREPROCESSOR = 'fore:'..colors.blue
-lexers.STYLE_TAG = 'fore:'..colors.blue
-lexers.STYLE_TYPE = 'fore:'..colors.cyan
-lexers.STYLE_VARIABLE = 'fore:'..colors.cyan..',bold'
-lexers.STYLE_WHITESPACE = 'fore:'..colors.light_black
-lexers.STYLE_EMBEDDED = 'fore:'..colors.magenta
-lexers.STYLE_IDENTIFIER = fg..',bold'
-
-lexers.STYLE_LINENUMBER = 'fore:'..colors.light_black..',back:'..colors.bg
-lexers.STYLE_CURSOR = 'fore:'..colors.bg..',back:'..colors.fg
-lexers.STYLE_CURSOR_PRIMARY = 'fore:'..colors.bg..',back:'..colors.fg
-lexers.STYLE_CURSOR_LINE = 'back:'..colors.black
-lexers.STYLE_COLOR_COLUMN = 'back:'..colors.black
-lexers.STYLE_SELECTION = 'back:'..colors.light_black
-lexers.STYLE_STATUS = 'fore:'..colors.gray..',back:'..colors.black
-lexers.STYLE_STATUS_FOCUSED = 'fore:'..colors.cyan..',back:'..colors.black
+lexers.STYLE_CLASS = 'fore:' .. colors.blue
+lexers.STYLE_COMMENT = 'fore:' .. colors.light_gray .. ',italics'
+lexers.STYLE_CONSTANT = 'fore:' .. colors.cyan
+lexers.STYLE_DEFINITION = 'fore:' .. colors.green
+lexers.STYLE_ERROR = 'fore:' .. colors.light_cyan .. ',italics'
+lexers.STYLE_FUNCTION = 'fore:' .. colors.light_cyan .. ',bold'
+lexers.STYLE_HEADING = 'fore:' .. colors.bg .. ',back:' .. colors.yellow
+lexers.STYLE_KEYWORD = 'fore:' .. colors.cyan .. ',bold'
+lexers.STYLE_LABEL = 'fore:' .. colors.blue
+lexers.STYLE_NUMBER = 'fore:' .. colors.magenta
+lexers.STYLE_OPERATOR = 'fore:' .. colors.light_cyan
+lexers.STYLE_REGEX = 'fore:' .. colors.orange
+lexers.STYLE_STRING = 'fore:' .. colors.green
+lexers.STYLE_PREPROCESSOR = 'fore:' .. colors.blue
+lexers.STYLE_TAG = 'fore:' .. colors.blue
+lexers.STYLE_TYPE = 'fore:' .. colors.cyan
+lexers.STYLE_VARIABLE = 'fore:' .. colors.cyan .. ',bold'
+lexers.STYLE_WHITESPACE = 'fore:' .. colors.light_black
+lexers.STYLE_EMBEDDED = 'fore:' .. colors.magenta
+lexers.STYLE_IDENTIFIER = fg .. ',bold'
+
+lexers.STYLE_LINENUMBER = 'fore:' .. colors.light_black .. ',back:' .. colors.bg
+lexers.STYLE_CURSOR = 'fore:' .. colors.bg .. ',back:' .. colors.fg
+lexers.STYLE_CURSOR_PRIMARY = 'fore:' .. colors.bg .. ',back:' .. colors.fg
+lexers.STYLE_CURSOR_LINE = 'back:' .. colors.black
+lexers.STYLE_COLOR_COLUMN = 'back:' .. colors.black
+lexers.STYLE_SELECTION = 'back:' .. colors.light_black
+lexers.STYLE_STATUS = 'fore:' .. colors.gray .. ',back:' .. colors.black
+lexers.STYLE_STATUS_FOCUSED = 'fore:' .. colors.cyan .. ',back:' .. colors.black
 lexers.STYLE_SEPARATOR = lexers.STYLE_DEFAULT
 lexers.STYLE_INFO = 'fore:default,back:default,bold'
 lexers.STYLE_EOF = ''
@@ -67,9 +66,9 @@ lexers.STYLE_EOF = ''
 -- lexer specific styles
 
 -- Diff
-lexers.STYLE_ADDITION = 'back:'..colors.green..',fore:'..colors.bg
-lexers.STYLE_DELETION = 'back:'..colors.red..',fore:'..colors.bg
-lexers.STYLE_CHANGE = 'back:'..colors.yellow..',fore:'..colors.bg
+lexers.STYLE_ADDITION = 'back:' .. colors.green .. ',fore:' .. colors.bg
+lexers.STYLE_DELETION = 'back:' .. colors.red .. ',fore:' .. colors.bg
+lexers.STYLE_CHANGE = 'back:' .. colors.yellow .. ',fore:' .. colors.bg
 
 -- CSS
 lexers.STYLE_PROPERTY = lexers.STYLE_ATTRIBUTE
@@ -91,19 +90,21 @@ lexers.STYLE_TARGET = ''
 
 -- Markdown
 lexers.STYLE_HR = ''
-lexers.STYLE_HEADING_H1 = 'fore:'..colors.orange..',bold'
-lexers.STYLE_HEADING_H2 = 'fore:'..colors.red..',bold'
-for i = 3,6 do lexers['STYLE_HEADING_H'..i] = 'fore:'..colors.magenta..',bold' end
+lexers.STYLE_HEADING_H1 = 'fore:' .. colors.orange .. ',bold'
+lexers.STYLE_HEADING_H2 = 'fore:' .. colors.red .. ',bold'
+for i = 3, 6 do
+    lexers['STYLE_HEADING_H' .. i] = 'fore:' .. colors.magenta .. ',bold'
+end
 lexers.STYLE_BOLD = 'bold'
 lexers.STYLE_ITALIC = 'italics'
 lexers.STYLE_LIST = lexers.STYLE_KEYWORD
-lexers.STYLE_LINK = 'fore:'..colors.yellow..',italics'
-lexers.STYLE_REFERENCE = 'fore:'..colors.blue
-lexers.STYLE_CODE = 'back:'..colors.black..',fore:'..colors.turquoise
+lexers.STYLE_LINK = 'fore:' .. colors.yellow .. ',italics'
+lexers.STYLE_REFERENCE = 'fore:' .. colors.blue
+lexers.STYLE_CODE = 'back:' .. colors.black .. ',fore:' .. colors.turquoise
 
 -- Output
 lexers.STYE_FILENAME = 'bold'
-lexers.STYLE_LINE = 'fore:'..colors.green
+lexers.STYLE_LINE = 'fore:' .. colors.green
 lexers.STYLE_COLUMN = 'underline'
 lexers.STYLE_MESSAGE = ''
 
@@ -111,13 +112,12 @@ lexers.STYLE_MESSAGE = ''
 lexers.STYLE_KEYWORD_SOFT = ''
 
 -- YAML
-lexers.STYLE_ERROR_INDENT = 'back:'..colors.red
-
+lexers.STYLE_ERROR_INDENT = 'back:' .. colors.red
 
 -- GO
-lexers.STYLE_CONSTANT_BUILTIN = 'fore:'..colors.yellow
-lexers.STYLE_FUNCTION_METHOD = 'fore:'..colors.light_cyan
-lexers.STYLE_FUNCTION_BUILTIN = 'fore:'..colors.light_cyan..',bold'
+lexers.STYLE_CONSTANT_BUILTIN = 'fore:' .. colors.yellow
+lexers.STYLE_FUNCTION_METHOD = 'fore:' .. colors.light_cyan
+lexers.STYLE_FUNCTION_BUILTIN = 'fore:' .. colors.light_cyan .. ',bold'
 
 -- Lua
-lexers.STYLE_ATTRIBUTE = 'fore:'..colors.yellow..',bold'
+lexers.STYLE_ATTRIBUTE = 'fore:' .. colors.yellow .. ',bold'
diff --git a/config/essentials/vis/title.lua b/config/essentials/vis/title.lua
index c87088b..d743b63 100644
--- a/config/essentials/vis/title.lua
+++ b/config/essentials/vis/title.lua
@@ -1,22 +1,16 @@
 require('vis')
 
 local function set_title(title)
-	-- print() cannot be used here as it will mess up vis
-	vis:command(string.format(":!printf '\\033]2;vis %s\\007'", title))
+    -- print() cannot be used here as it will mess up vis
+    vis:command(string.format(":!printf '\\033]2;vis %s\\007'", title))
 end
 
-vis.events.subscribe(vis.events.INIT, function()
-	print('\27[22;2t')
-end)
+vis.events.subscribe(vis.events.INIT, function() print('\27[22;2t') end)
 
-vis.events.subscribe(vis.events.WIN_OPEN, function(win)
-	set_title(win.file.name or '[No Name]')
-end)
+vis.events.subscribe(vis.events.WIN_OPEN,
+                     function(win) set_title(win.file.name or '[No Name]') end)
 
-vis.events.subscribe(vis.events.FILE_SAVE_POST, function(file)
-	set_title(file.name)
-end)
+vis.events.subscribe(vis.events.FILE_SAVE_POST,
+                     function(file) set_title(file.name) end)
 
-vis.events.subscribe(vis.events.QUIT, function()
-	print('\27[23;2t')
-end)
+vis.events.subscribe(vis.events.QUIT, function() print('\27[23;2t') end)
diff --git a/config/essentials/vis/visrc.lua b/config/essentials/vis/visrc.lua
index 05df7ee..3a9ff1d 100644
--- a/config/essentials/vis/visrc.lua
+++ b/config/essentials/vis/visrc.lua
@@ -1,41 +1,38 @@
 ------------------------------------
 --- LIBRARIES
 ------------------------------------
-
 require('vis')
 
 -- plugins
+require("build")
 require("backup")
 require("cursors")
 require("title")
 
+vis:command_register("make", function() vis:communicate() end, "make")
 
 ------------------------------------
 --- FUNCTIONS
 ------------------------------------
 
 local map_cmd = function(mode, map, command, help)
-	vis:map(mode, map, function() vis:command(command) end, help)
+    vis:map(mode, map, function() vis:command(command) end, help)
 end
 
 local map_cmd_restore = function(mode, map, command, help)
-	vis:map(mode, map, function()
-		if (mode == vis.modes.INSERT) then
-			vis:feedkeys("<Escape>")
-		end
-
-		vis:feedkeys("m")
-		vis:command(command)
-		vis:feedkeys("M")
-
-		if (mode == vis.modes.INSERT) then
-			vis:feedkeys("i")
-		end
-	end, help)
+    vis:map(mode, map, function()
+        if (mode == vis.modes.INSERT) then vis:feedkeys("<Escape>") end
+
+        vis:feedkeys("m")
+        vis:command(command)
+        vis:feedkeys("M")
+
+        if (mode == vis.modes.INSERT) then vis:feedkeys("i") end
+    end, help)
 end
 
 local map_keys = function(mode, map, keys, help)
-	vis:map(mode, map, function() vis:feedkeys(keys) end, help)
+    vis:map(mode, map, function() vis:feedkeys(keys) end, help)
 end
 
 ------------------------------------
@@ -49,6 +46,9 @@ local m = vis.modes
 -----------------------------------
 
 vis:command_register("Q", function() vis:command("qa!") end, "Quit all")
+vis:command_register("delws",
+                     function() vis:command("x/[ \t]+$|^[ \t]+$/d") end,
+                     "Remove trailing whitespace")
 
 -------------------------------------
 --- MAPPINGS
@@ -60,39 +60,37 @@ map_cmd(m.NORMAL, " c", "e ~/.config/vis/visrc.lua", "Edit config file")
 map_cmd(m.NORMAL, " q", "q!", "Quit (force)")
 map_cmd(m.NORMAL, " s", "!doas vis $vis_filepath", "Edit as superuser")
 map_cmd(m.NORMAL, " w", "w", "Write")
-map_cmd(m.NORMAL, " x", "!chmod u+x $vis_filepath", "Make active file executable")
+map_cmd(m.NORMAL, " x", "!chmod u+x $vis_filepath",
+        "Make active file executable")
 
 vis:map(m.NORMAL, " eh", function()
-	vis:command("!lowdown $vis_filepath > ${vis_filepath%.md}.html")
-	vis:info("exported.")
+    vis:command("!lowdown $vis_filepath > ${vis_filepath%.md}.html")
+    vis:info("exported.")
 end, "Export markdown to html")
 
 map_keys(m.NORMAL, " nl", ":<seq -f '%0.0f. ' 1 ", "Insert numbered list")
-map_keys(m.NORMAL, " ws", ":,x/[ \t]+$|^[ \t]+$/d<Enter>", "Remove trailing whitespace")
 
 -- select markdown list element:	,x/^(\d+\.|[-*])\s+.+\n(^ .+\n)*/
 
-
-
 ------------------------------------
 --- EVENTS
 ------------------------------------
 
 vis.events.subscribe(vis.events.INIT, function()
-	vis.options.ignorecase = true
-	vis.options.autoindent = true
-	vis.options.shell = "/bin/sh"
-	local theme = "nord"
-	vis:command("set theme " .. theme)
+    vis.options.ignorecase = true
+    vis.options.autoindent = true
+    vis.options.shell = "/bin/sh"
+    local theme = "nord"
+    vis:command("set theme " .. theme)
 end)
 
-vis.events.subscribe(vis.events.WIN_OPEN, function(win) -- luacheck: no unused args
-	win.options.relativenumbers = true
-
-	if win.syntax == "bash" then
-		map_keys(m.NORMAL, " v",
-		"V:x/^(\\s*)(.+)$/ c/\\1>\\&2 printf '\\2: %s\\\\n' \"$\\2\"/<Enter><Escape>", "Print variable")
-	end
+vis.events.subscribe(vis.events.WIN_OPEN,
+                     function(win) -- luacheck: no unused args
+    win.options.relativenumbers = true
 
+    if win.syntax == "bash" then
+        map_keys(m.NORMAL, " v",
+                 "V:x/^(\\s*)(.+)$/ c/\\1>\\&2 printf '\\2: %s\\\\n' \"$\\2\"/<Enter><Escape>",
+                 "Print variable")
+    end
 end)
-