From 5dfd807771dbd68b1b776e489c043337baccf638 Mon Sep 17 00:00:00 2001
From: Svetlozar Iliev <svetlozar321@gmail.com>
Date: Mon, 30 Jan 2023 19:09:29 +0200
Subject: [PATCH] feat: Allow filtering for oldfiles and buffers  (#2353)

---
 doc/telescope.txt                    | 4 ++++
 lua/telescope/builtin/__internal.lua | 8 ++++++--
 lua/telescope/builtin/init.lua       | 2 ++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/doc/telescope.txt b/doc/telescope.txt
index 2106666..12f51e5 100644
--- a/doc/telescope.txt
+++ b/doc/telescope.txt
@@ -1214,6 +1214,8 @@ builtin.oldfiles({opts})                        *telescope.builtin.oldfiles()*
         {opts} (table)  options to pass to the picker
 
     Options: ~
+        {cwd}      (string)   specify a working directory to filter oldfiles
+                              by
         {only_cwd} (boolean)  show only files in the cwd (default: false)
         {cwd_only} (boolean)  alias for only_cwd
 
@@ -1301,6 +1303,8 @@ builtin.buffers({opts})                          *telescope.builtin.buffers()*
         {opts} (table)  options to pass to the picker
 
     Options: ~
+        {cwd}                   (string)   specify a working directory to
+                                           filter buffers list by
         {show_all_buffers}      (boolean)  if true, show all buffers,
                                            including unloaded buffers
                                            (default: true)
diff --git a/lua/telescope/builtin/__internal.lua b/lua/telescope/builtin/__internal.lua
index 613643b..e1b6ce3 100644
--- a/lua/telescope/builtin/__internal.lua
+++ b/lua/telescope/builtin/__internal.lua
@@ -523,8 +523,9 @@ internal.oldfiles = function(opts)
     end
   end
 
-  if opts.cwd_only then
-    local cwd = vim.loop.cwd() .. utils.get_separator()
+  if opts.cwd_only or opts.cwd then
+    local cwd = opts.cwd_only and vim.loop.cwd() or opts.cwd
+    cwd = cwd .. utils.get_separator()
     cwd = cwd:gsub([[\]], [[\\]])
     results = vim.tbl_filter(function(file)
       return vim.fn.matchstrpos(file, cwd)[2] ~= -1
@@ -878,6 +879,9 @@ internal.buffers = function(opts)
     if opts.cwd_only and not string.find(vim.api.nvim_buf_get_name(b), vim.loop.cwd(), 1, true) then
       return false
     end
+    if not opts.cwd_only and opts.cwd and not string.find(vim.api.nvim_buf_get_name(b), opts.cwd, 1, true) then
+      return false
+    end
     return true
   end, vim.api.nvim_list_bufs())
   if not next(bufnrs) then
diff --git a/lua/telescope/builtin/init.lua b/lua/telescope/builtin/init.lua
index 3036820..65a8cac 100644
--- a/lua/telescope/builtin/init.lua
+++ b/lua/telescope/builtin/init.lua
@@ -265,6 +265,7 @@ builtin.loclist = require_on_exported_call("telescope.builtin.__internal").locli
 
 --- Lists previously open files, opens on `<cr>`
 ---@param opts table: options to pass to the picker
+---@field cwd string: specify a working directory to filter oldfiles by
 ---@field only_cwd boolean: show only files in the cwd (default: false)
 ---@field cwd_only boolean: alias for only_cwd
 builtin.oldfiles = require_on_exported_call("telescope.builtin.__internal").oldfiles
@@ -305,6 +306,7 @@ builtin.reloader = require_on_exported_call("telescope.builtin.__internal").relo
 
 --- Lists open buffers in current neovim instance, opens selected buffer on `<cr>`
 ---@param opts table: options to pass to the picker
+---@field cwd string: specify a working directory to filter buffers list by
 ---@field show_all_buffers boolean: if true, show all buffers, including unloaded buffers (default: true)
 ---@field ignore_current_buffer boolean: if true, don't show the current buffer in the list (default: false)
 ---@field only_cwd boolean: if true, only show buffers in the current working directory (default: false)