fuzzy find files no plugins

lua/set.lua

@@ -45,3 +45,41 @@ vim.g.clipboard = {
   },
   cache_enable = 0,
 }
+
+local function fzf_open_terminal()
+  local tmp = vim.fn.tempname()
+  local cwd = vim.fn.getcwd()
+
+  local rg = [[rg --files --hidden --glob "!.git/**" --glob "!node_modules/**" --glob "!.angular/**"]]
+  local awk = [[awk -F'/' '{dir = (NF>1 ? substr($0, 1, length($0)-length($NF)-1) : "."); printf("%s [%s]\t%s\n", $NF, dir, $0)}']]
+  local inner = string.format("cd %s && %s | %s | fzf --height 40%% > %s",
+    vim.fn.shellescape(cwd), rg, awk, vim.fn.shellescape(tmp))
+
+  vim.cmd('belowright split')
+  local bufnr = vim.api.nvim_create_buf(false, true)
+  vim.api.nvim_win_set_buf(0, bufnr)
+
+  -- pass argv form to avoid fish parsing issues
+  vim.fn.termopen({'bash', '-ic', inner}, {
+    on_exit = function()
+      local lines = vim.fn.readfile(tmp)
+      os.remove(tmp)
+      if #lines == 0 then
+        vim.schedule(function()
+          if vim.api.nvim_buf_is_valid(bufnr) then vim.api.nvim_buf_delete(bufnr, {force=true}) end
+        end)
+        return
+      end
+      local sel = lines[1]:match("\t(.*)$") or lines[1]
+      vim.schedule(function()
+
+        if vim.api.nvim_buf_is_valid(bufnr) then vim.api.nvim_buf_delete(bufnr, {force=true}) end
+        vim.cmd('edit ' .. vim.fn.fnameescape(sel))
+      end)
+    end,
+  })
+
+  vim.cmd('startinsert')
+end
+
+vim.keymap.set('n', '<leader>o', fzf_open_terminal, {noremap=true, silent=true})