updated

lua/config/options.lua

@@ -13,7 +13,6 @@ vim.opt.tabstop = 2
 vim.opt.shiftwidth = 2
 vim.opt.softtabstop = 2
 vim.opt.expandtab = true
-vim.opt.smartindent = true
 vim.opt.ignorecase = true
 vim.opt.smartcase = true
 vim.opt.incsearch = false
@@ -26,11 +25,29 @@ vim.opt.guicursor = "n-v-c:block,i:block,r:block"
 
 vim.opt.fillchars = { eob = " " }
 
+vim.opt.laststatus = 3
+
+local mode_names = {
+  n = "NORMAL", i = "INSERT", v = "VISUAL", V = "V-LINE",
+  ["\22"] = "V-BLOCK", c = "COMMAND", R = "REPLACE", t = "TERM",
+}
+
+_G.statusline_mode = function()
+  return mode_names[vim.api.nvim_get_mode().mode] or "?"
+end
+
+_G.statusline_branch = function()
+  local b = vim.b.gitsigns_head
+  return b and ("  " .. b) or ""
+end
+
+vim.opt.statusline = " %{v:lua.statusline_mode()}  %f%m%r %= %{v:lua.statusline_branch()}  %l:%c "
+
 local options_group = vim.api.nvim_create_augroup("config_options", { clear = true })
 
 vim.api.nvim_create_autocmd("FileType", {
   group = options_group,
-  pattern = { "python", "haskell", "c", "cpp" },
+  pattern = { "python", "c", "cpp" },
   callback = function()
     local opt = vim.opt_local
     opt.tabstop = 4
@@ -38,11 +55,3 @@ vim.api.nvim_create_autocmd("FileType", {
     opt.softtabstop = 4
   end,
 })
-
-vim.api.nvim_create_autocmd({ "BufRead", "BufNewFile" }, {
-  group = options_group,
-  pattern = "*.purs",
-  callback = function(event)
-    vim.bo[event.buf].filetype = "purescript"
-  end,
-})