clean stuff up even more

nvim/lua/util/float.lua

@@ -0,0 +1,38 @@
+local M = {}
+
+function M.float_terminal(cmd, opts)
+  opts = opts or {}
+  local buf = vim.api.nvim_create_buf(false, true)
+  local width  = math.floor(vim.o.columns * (opts.width_ratio  or 0.8))
+  local height = math.floor(vim.o.lines   * (opts.height_ratio or 0.5))
+  local row = math.floor((vim.o.lines - height) / 2)
+  local col = math.floor((vim.o.columns - width) / 2)
+  vim.api.nvim_open_win(buf, true, {
+    style = "minimal", relative = "editor",
+    width = width, height = height, row = row, col = col,
+    border = opts.border or "rounded",
+  })
+
+  local function scroll_bottom()
+    local win = vim.api.nvim_get_current_win()
+    vim.api.nvim_win_set_cursor(win, {vim.api.nvim_buf_line_count(0), 0})
+  end
+
+  local job = vim.fn.termopen(cmd, {
+    cwd = opts.cwd,              -- <= important
+    on_stdout = function(...) scroll_bottom() end,
+    on_stderr = function(...) scroll_bottom() end,
+    on_exit = function(_, code, _)
+      vim.schedule(function()
+        vim.notify(("command exited %d"):format(code), code == 0 and vim.log.levels.INFO or vim.log.levels.ERROR)
+      end)
+    end,
+    env = opts.env,              -- e.g. env = { PATH = os.getenv("PATH") }
+  })
+
+  vim.keymap.set("n", "q", "<cmd>bd!<CR>", { buffer = buf, silent = true })
+  return job
+end
+
+
+return M