vim: port options to lua

install.sh

@@ -217,7 +217,8 @@ deploy_nvim() {
     link "$DOTFILES/nvim/init.lua" "$XDG_CONFIG_HOME/nvim/init.lua"
 
     ensure_directory "$XDG_CONFIG_HOME/nvim/viml"
-    for f in nvim/viml/*; do
+    ensure_directory "$XDG_CONFIG_HOME/nvim/lua/fs"
+    for f in nvim/viml/* nvim/lua/fs/*; do
         link "$DOTFILES/$f" "$XDG_CONFIG_HOME/$f"
     done
     unset f

nvim/init.lua

@@ -1,2 +1,3 @@
+require 'fs.options'
 vim.cmd('runtime old.vim')
 

nvim/init.vim

@@ -1,4 +1,3 @@
-source ~/.config/nvim/viml/options.vim
 source ~/.config/nvim/viml/plugins.vim
 source ~/.config/nvim/viml/keymaps.vim
 source ~/.config/nvim/viml/autocmds.vim

nvim/lua/fs/options.lua

@@ -0,0 +1,113 @@
+local o = vim.opt
+
+-- General
+o.belloff     = 'all'           -- never ring bells
+o.hidden      = true            -- hide abandoned buffers
+o.clipboard   = 'unnamedplus'   -- synchronize with system clipboard
+o.lazyredraw  = true            -- don't redraw screen during macros
+o.modelines   = 0               -- never use modelines
+o.fileformats = 'unix,mac,dos'  -- prioritize unix <EOL> format
+
+o.swapfile    = false           -- don't use swap files
+o.writebackup = true            -- Make a backup before writing a file...
+o.backup      = false           -- ...but don't keep it around.
+
+o.shortmess:append('I')         -- no intro message when starting Vim
+o.shada = {
+    "'1000",    -- remember marks for this many files
+    "/1000",    -- remember this many search patterns
+    ":1000",    -- remember this many command line items
+    "<100",     -- maximum number of lines to remember per register
+    "h",        -- disable 'hlsearch' while reading shada file
+    "s100",     -- limit size of remembered items to this many KiB
+}
+
+-- Searching
+o.ignorecase = true     -- Ignore case when searching...
+o.smartcase = true      -- ...unless pattern contains uppercase characters.
+
+-- Editing
+o.expandtab     = true      -- use spaces whe <Tab> is inserted
+o.tabstop       = 4         -- tabs are 4 spaces
+o.shiftwidth    = 0         -- (auto)indent using 'tabstop' spaces
+o.smartindent   = true      -- use smart autoindenting
+o.inccommand    = 'split'   -- preview command partial results
+o.joinspaces    = false     -- use one space after a period whe joining lines
+o.showmatch     = true      -- briefly jump to matching bracket if insert one
+o.virtualedit   = 'block'   -- position the cursor anywhere in Visual Block mode
+o.formatlistpat = [[^\s*\(\d\+[\]:.)}\t ]\|[-+*]\|[\[(][ x][\])]\)\s*]]
+o.formatoptions = o.formatoptions
+    - 't' -- Don't auto-wrap on 'textwidth'...
+    + 'c' -- ...but do it within comment blocks...
+    + 'l' -- ...but not if line was already long before entering Insert mode.
+    + 'r' -- Insert comment leader when pressing Enter...
+    - 'o' -- ...but not when opening a new line with o & O.
+    + 'q' -- allow formatting of comments with gq
+    - 'a' -- don't auto-format every time text is inserted
+    + 'n' -- indent lists automatically acc. 'formatlistpat'
+    + 'j' -- remove comment leader when joining lines
+    + '1' -- don't break lines after a one letter word but rather before it
+
+-- Appearance
+o.showmode       = false    -- don't show mode (shown in statusline instead)
+o.relativenumber = true     -- Start off with realtive line numbers...
+o.number         = true     -- ...but real number for current line.
+o.wrap           = false    -- don't wrap long lines initially
+o.textwidth      = 79       -- maximum width for text being inserted
+o.colorcolumn    = '+1'     -- highlight column after 'textwidth'
+o.cursorline     = true     -- highlight the line of the cursor
+o.showbreak      = '⤷ '     -- prefix for wrapped lines
+o.scrolloff      = 3        -- min. # of lines above and below cursor
+o.sidescrolloff  = 3        -- min. # of columns to left and right of cursor
+o.list           = true     -- show invisible characters
+o.listchars      = {
+         tab = '» ',
+     extends = '…',
+    precedes = '…',
+       trail = '·',
+     conceal = '┊',
+}
+
+-- Wildcard Expansion
+o.wildignore = {
+    '.git',
+    '.svn',
+    '__pycache__',
+    '**/tmp/**',
+    '*.DS_Store',
+    '*.dll',
+    '*.egg-info',
+    '*.exe',
+    '*.gif',
+    '*.jpeg',
+    '*.jpg',
+    '*.o',
+    '*.obj',
+    '*.out',
+    '*.png',
+    '*.pyc',
+    '*.so',
+    '*.zip',
+    '*~',
+}
+o.wildignorecase = true             -- ignore case when completing file names
+o.wildmode       = 'longest:full'   -- longest common prefix first, then wildmenu
+
+-- Window Splitting
+o.splitbelow  = true                -- :split below current window
+o.splitright  = true                -- :vsplit to the right of current window
+o.equalalways = false               -- don't resize all windows when splitting
+
+-- Folding
+o.foldenable     = true             -- enable folding
+o.foldlevelstart = 100              -- start with all folds open
+o.foldmethod     = 'syntax'         -- fold based on syntax by default
+o.foldnestmax    = 10               -- limit nested folds to 10 levels
+
+-- Options for diff mode
+o.diffopt = {       -- better side-by-side diffs
+    'filler',       -- show filler lines (so text ins vertically synced)
+    'vertical',     -- use vertical splits (files side-by-side)
+    'closeoff',     -- disable diff mode when one window is closed
+}
+