Add option use_git_root_as_cwd option

README.md

@@ -172,6 +172,10 @@ require('telescope').extensions.smart_open.smart_open {
 
   Limit the results to files under the current working directory.  This is normally not needed because if you prefer this pattern of access, then the plugin will pick up on that over time regardless, to the point where files under `cwd` will be recommended above all others.
 
+- `use_git_root_as_cwd` (default: `false`)
+
+  Use the root (based on .git) as the working directory.
+
 - `filename_first` (default: `true`)
 
   Format filename as "filename path/to/parent/directory" if `true` and "path/to/parent/directory/filename" if `false`.

lua/telescope/_extensions/smart_open.lua

@@ -10,8 +10,12 @@ local config = require("smart-open").config
 local smart_open = function(opts)
   opts = opts or {}
 
-  ---@diagnostic disable-next-line: missing-parameter
-  opts.cwd = vim.fn.expand(opts.cwd or vim.fn.getcwd())
+  if opts.use_git_root_as_cwd then
+      opts.cwd = vim.fn.expand(vim.fs.root(0, ".git") or vim.fn.getcwd())
+  else
+    ---@diagnostic disable-next-line: missing-parameter
+    opts.cwd = vim.fn.expand(opts.cwd or vim.fn.getcwd())
+  end
   opts.current_buffer = vim.fn.bufnr("%") > 0 and vim.api.nvim_buf_get_name(vim.fn.bufnr("%")) or ""
   opts.alternate_buffer = vim.fn.bufnr("#") > 0 and vim.api.nvim_buf_get_name(vim.fn.bufnr("#")) or ""
   opts.filename_first = opts.filename_first == nil and true or opts.filename_first