Get simple rg example to work

scratch/simple_rg.lua

@@ -0,0 +1,41 @@
+local telescope = require('telescope')
+
+-- Uhh, finder should probably just GET the results
+-- and then update some table.
+-- When updating the table, we should call filter on those items
+-- and then only display ones that pass the filter
+local rg_finder = telescope.finders.new {
+  fn_command = function(prompt)
+    return string.format('rg --vimgrep %s', prompt)
+  end,
+
+  responsive = false
+}
+
+
+local p = telescope.pickers.new {
+  previewer = telescope.previewers.new(function(preview_win, preview_bufnr, results_bufnr, row)
+    assert(preview_bufnr)
+
+    local line = vim.api.nvim_buf_get_lines(results_bufnr, row, row + 1, false)[1]
+    local file_name = vim.split(line, ":")[1]
+
+    -- print(file_name)
+    -- vim.fn.termopen(
+    --   string.format("bat --color=always --style=grid %s"),
+    -- vim.fn.fnamemodify(file_name, ":p")
+    local bufnr = vim.fn.bufadd(file_name)
+    vim.fn.bufload(bufnr)
+
+    -- TODO: We should probably call something like this because we're not always getting highlight and all that stuff.
+    -- api.nvim_command('doautocmd filetypedetect BufRead ' .. vim.fn.fnameescape(filename))
+    vim.api.nvim_win_set_buf(preview_win, bufnr)
+    vim.api.nvim_win_set_option(preview_win, 'wrap', false)
+    vim.api.nvim_win_set_option(preview_win, 'winhl', 'Normal:Normal')
+    vim.api.nvim_win_set_option(preview_win, 'winblend', 20)
+    vim.api.nvim_win_set_option(preview_win, 'signcolumn', 'no')
+    vim.api.nvim_win_set_option(preview_win, 'foldlevel', 100)
+  end)
+}
+p:find(rg_finder)
+