move old nvim config

config/nvim/plugin/autocmds.lua

@@ -7,6 +7,28 @@ au('BufEnter', {
     group = aug,
 })
 
+au('BufWritePost', {
+    pattern = (vim.env.XDG_CONFIG_HOME or (vim.env.HOME .. '/.config'))
+        .. '/firefox/userChrome.css',
+    callback = function()
+        if not vim.tbl_contains({ 'firefox', 'zen-browser' }, vim.env.BROWSER) then
+            return
+        end
+        vim.notify(
+            'Updating firefox-based browser userChrome.css...',
+            vim.log.levels.INFO
+        )
+        local src = (vim.env.XDG_CONFIG_HOME or (vim.env.HOME .. '/.config'))
+            .. '/firefox/userChrome.css'
+        local targets =
+            vim.fn.glob(vim.env.HOME .. '/.zen/*release*/chrome', true, true)
+        for _, dir in ipairs(targets) do
+            vim.fn.system({ 'cp', '-f', src, dir .. '/userChrome.css' })
+        end
+    end,
+    group = aug,
+})
+
 au({ 'TermOpen', 'BufWinEnter' }, {
     callback = function(args)
         if vim.bo[args.buf].buftype == 'terminal' then
@@ -18,7 +40,6 @@ au({ 'TermOpen', 'BufWinEnter' }, {
     group = aug,
 })
 
--- TODO: out of date (config no longer in $XDG_CONFIG_HOME/nvim)
 au('BufWritePost', {
     pattern = (
         os.getenv('XDG_CONFIG_HOME') or (os.getenv('HOME') .. '/.config')
@@ -61,16 +82,16 @@ au({ 'FocusLost', 'BufLeave', 'VimLeave' }, {
     group = aug,
 })
 
-au({ 'VimEnter', 'BufWinEnter', 'BufEnter' }, {
-    callback = function()
-        vim.api.nvim_set_option_value('cursorline', true, { scope = 'local' })
-    end,
+vim.api.nvim_create_autocmd('WinEnter', {
     group = aug,
+    callback = function()
+        vim.wo.cursorline = true
+    end,
 })
 
-au('WinLeave', {
-    callback = function()
-        vim.api.nvim_set_option_value('cursorline', false, { scope = 'local' })
-    end,
+vim.api.nvim_create_autocmd('WinLeave', {
     group = aug,
+    callback = function()
+        vim.wo.cursorline = false
+    end,
 })

config/nvim/plugin/highlight-undo.lua

@@ -0,0 +1,30 @@
+local api = vim.api
+local ns = api.nvim_create_namespace('highlight_undo')
+
+api.nvim_set_hl(0, 'HighlightUndo', { link = 'IncSearch', default = true })
+
+for _, key in ipairs({ 'u', '<C-r>', 'U' }) do
+    vim.keymap.set('n', key, function()
+        api.nvim_buf_attach(0, false, {
+            on_bytes = function(_, buf, _, sr, sc, _, _, _, _, ner, nec)
+                local er, ec = sr + ner, sc + nec
+                if er >= api.nvim_buf_line_count(buf) then
+                    ec = #(api.nvim_buf_get_lines(buf, -2, -1, false)[1] or '')
+                end
+                vim.schedule(function()
+                    if not api.nvim_buf_is_valid(buf) then
+                        return
+                    end
+                    vim.hl.range(buf, ns, 'HighlightUndo', { sr, sc }, { er, ec })
+                    vim.defer_fn(function()
+                        if api.nvim_buf_is_valid(buf) then
+                            api.nvim_buf_clear_namespace(buf, ns, 0, -1)
+                        end
+                    end, 300)
+                end)
+                return true
+            end,
+        })
+        return key
+    end, { expr = true })
+end

config/nvim/plugin/options.lua

@@ -2,8 +2,23 @@ local o, opt = vim.o, vim.opt
 
 o.autowrite = true
 
+local f, background = io.open(vim.env.HOME .. '/.zshenv', 'r'), 'light'
+if f then
+    local content = f:read('*a')
+    f:close()
+    local theme = content:match('export THEME=(%S+)')
+    background = theme
+elseif vim.env.THEME then
+    background = vim.env.THEME
+end
+
+o.background = background == 'daylight' and 'light' or 'dark'
+
 o.breakindent = true
 
+o.cursorline = true
+
+o.cmdheight = 0
 o.conceallevel = 0
 
 opt.diffopt:append('linematch:60')