Merge remote-tracking branch 'upstream/master' into fix-multiple-clients

* upstream/master:
  picker(live_grep): add option to grep only over open files (nvim-telescope#666)
  git(action): create and checkout branch (nvim-telescope#755)
  readme: fix broken links and spelling errors (nvim-telescope#753)
  added a new DynamicFinder (which can be used with rust_analyzer) (nvim-telescope#705)
  feat: add icons to git_status finder (nvim-telescope#401)
  fix: update to newer code (nvim-telescope#744)
  pickers(buffers): added only_cwd opt (nvim-telescope#739)
  feat: asyncify pickers - except for live_grep (nvim-telescope#709)
  fix: Use standardized names for current buffer fuzzy find (nvim-telescope#737)
  fix(git_branches): use the quoted fields instead of json-formatting and fix regressions with nvim-telescope#695 (nvim-telescope#704)
  feat: buf highlights for current buffer fuzzy find (nvim-telescope#732)

.gitignore

@@ -1,2 +1,4 @@
 build/
 doc/tags
+
+.luacheckcache

.luacheckrc

@@ -13,6 +13,7 @@ ignore = {
 }
 
 globals = {
+  "_",
   "TelescopeGlobalState",
   "TelescopeCachedUppers",
   "TelescopeCachedTails",

README.md

@@ -40,7 +40,7 @@ Community driven built-in [pickers](#pickers), [sorters](#sorters) and [previewe
 - [Gallery](https://github.com/nvim-telescope/telescope.nvim/wiki/Gallery)
 - [FAQ](#faq)
 - [Configuration recipes](https://github.com/nvim-telescope/telescope.nvim/wiki/Configuration-Recipes)
-- [Contributing](#contribution)
+- [Contributing](#contributing)
 
 ## Getting Started
 
@@ -113,7 +113,7 @@ This section should help you explore available options to configure and
 customize your `telescope.nvim`.
 
 Unlike most vim plugins, `telescope.nvim` can be customized either by applying
-customizations globally or individual pre picker.
+customizations globally or individual per picker.
 
 - **Global Customization** affecting all pickers can be done through the
   main `setup()` method (see defaults below)
@@ -190,7 +190,7 @@ require('telescope').setup{
 EOF
 ```
 
-<!-- TODO: move some options to Options affecting Behaviour -->
+<!-- TODO: move some options to Options affecting behavior -->
 
 ### Options affecting Presentation
 
@@ -374,6 +374,14 @@ Built-in functions. Ready to be bound to any key you like. :smile:
 | `builtin.live_grep`                 | Searches in current directory files. (respecting .gitignore)                                |
 | `builtin.file_browser`              | Ivy-like file explorer. Creates files by typing in filename and pressing `<C-e>`. Press `<C-e>` without prompt for more info |
 
+#### Options for builtin.live_grep
+
+| Keys                   | Description                                           | Options      |
+|------------------------|-------------------------------------------------------|--------------|
+| `grep_open_files`      | Restrict live_grep to currently open files.           | boolean      |
+| `search_dirs`          | List of directories to search in.                     | list         |
+
+
 ### Vim Pickers
 
 | Functions                           | Description                                                                                 |
@@ -419,7 +427,7 @@ Built-in functions. Ready to be bound to any key you like. :smile:
 | `builtin.git_commits`               | Lists git commits with diff preview and on enter checkout the commit.                       |
 | `builtin.git_bcommits`              | Lists buffer's git commits with diff preview and checkouts it out on enter.                 |
 | `builtin.git_branches`              | Lists all branches with log preview, checkout action (<cr>), track action (<c-t>) and rebase action(<c-r>). |
-| `builtin.git_status`                | Lists current changes per file with diff preview and add action. (Multiselection still WIP) |
+| `builtin.git_status`                | Lists current changes per file with diff preview and add action. (Multi-selection still WIP) |
 
 ### Treesitter Picker
 
@@ -472,7 +480,7 @@ autocmd User TelescopePreviewerLoaded setlocal wrap
 | `sorters.fuzzy_with_index_bias`    | Used to list stuff with consideration to when the item is added |
 
 A `Sorter` is called by the `Picker` on each item returned by the `Finder`. It
-return a number, which is equivalent to the "distance" between the current
+returns a number, which is equivalent to the "distance" between the current
 `prompt` and the `entry` returned by a `finder`.
 
 <!-- TODO review -->
@@ -511,15 +519,15 @@ make a theme, check out `lua/telescope/themes.lua`.
 
 Telescope user autocmds:
 
-| Event                           | Description                                        |
-|---------------------------------|----------------------------------------------------|
-| `User TelescopeFindPre`         | Do it before create Telescope all the float window |
-| `User TelescopePreviewerLoaded` | Do it after Telescope previewer window create      |
+| Event                           | Description                                             |
+|---------------------------------|---------------------------------------------------------|
+| `User TelescopeFindPre`         | Do it before Telescope creates all the floating windows |
+| `User TelescopePreviewerLoaded` | Do it after Telescope previewer window is created       |
 
 
 ## Extensions
 
-Telescope provides the capabilties to create & register extensions, which improve telescope in a variety of ways.
+Telescope provides the capabilities to create & register extensions, which improve telescope in a variety of ways.
 
 Some extensions provide integration with external tools, outside of the scope of `builtins`. Others provide performance
 enhancements by using compiled C and interfacing directly with Lua.
@@ -669,9 +677,8 @@ supports tab completions and settings options.
 
 ### How to change some defaults in built-in functions?
 
-All options available from the setup function (see [Configuration options]()) and
-some other functions can be easily changed in custom pickers or built-in
-functions.
+All options available from the setup function (see [Configuration options](#customization)
+and some other functions can be easily changed in custom pickers or built-in functions.
 <!-- TODO: insert a list of available options like previewer and prompt prefix -->
 
 ```lua
@@ -685,7 +692,7 @@ nnoremap <leader>fg :Telescope live_grep prompt_prefix=🔍<CR>
 
 ### How to change Telescope Highlights group?
 
-There are 10 highlights group you can play around with in order to meet your needs:
+There are 10 highlight groups you can play around with in order to meet your needs:
 
 ```viml
 highlight TelescopeSelection      guifg=#D79921 gui=bold " selected item

lua/telescope/actions/init.lua

@@ -297,6 +297,38 @@ actions.insert_value = function(prompt_bufnr)
   return entry.value
 end
 
+--- Create and checkout a new git branch if it doesn't already exist
+---@param prompt_bufnr number: The prompt bufnr
+actions.git_create_branch = function(prompt_bufnr)
+  local cwd = action_state.get_current_picker(prompt_bufnr).cwd
+  local new_branch = action_state.get_current_line()
+
+  if new_branch == "" then
+    print('Please enter the name of the new branch to create')
+  else
+    local confirmation = vim.fn.input(string.format('Create new branch "%s"? [y/n]: ', new_branch))
+    if string.len(confirmation) == 0 or string.sub(string.lower(confirmation), 0, 1) ~= 'y' then
+      print(string.format('Didn\'t create branch "%s"', new_branch))
+      return
+    end
+
+    actions.close(prompt_bufnr)
+
+    local _, ret, stderr = utils.get_os_command_output({ 'git', 'checkout', '-b', new_branch }, cwd)
+    if ret == 0 then
+      print(string.format('Switched to a new branch: %s', new_branch))
+    else
+      print(string.format(
+        'Error when creating new branch: %s Git returned "%s"',
+        new_branch,
+        table.concat(stderr, '  ')
+      ))
+    end
+  end
+end
+
+--- Checkout an existing git branch
+---@param prompt_bufnr number: The prompt bufnr
 actions.git_checkout = function(prompt_bufnr)
   local cwd = action_state.get_current_picker(prompt_bufnr).cwd
   local selection = action_state.get_selected_entry()
@@ -313,6 +345,8 @@ actions.git_checkout = function(prompt_bufnr)
   end
 end
 
+--- Tell git to track the currently selected remote branch in Telescope
+---@param prompt_bufnr number: The prompt bufnr
 actions.git_track_branch = function(prompt_bufnr)
   local cwd = action_state.get_current_picker(prompt_bufnr).cwd
   local selection = action_state.get_selected_entry()
@@ -329,6 +363,8 @@ actions.git_track_branch = function(prompt_bufnr)
   end
 end
 
+--- Delete the currently selected branch
+---@param prompt_bufnr number: The prompt bufnr
 actions.git_delete_branch = function(prompt_bufnr)
   local cwd = action_state.get_current_picker(prompt_bufnr).cwd
   local selection = action_state.get_selected_entry()
@@ -349,6 +385,8 @@ actions.git_delete_branch = function(prompt_bufnr)
   end
 end
 
+--- Rebase to selected git branch
+---@param prompt_bufnr number: The prompt bufnr
 actions.git_rebase_branch = function(prompt_bufnr)
   local cwd = action_state.get_current_picker(prompt_bufnr).cwd
   local selection = action_state.get_selected_entry()
@@ -369,6 +407,8 @@ actions.git_rebase_branch = function(prompt_bufnr)
   end
 end
 
+--- Stage/unstage selected file
+---@param prompt_bufnr number: The prompt bufnr
 actions.git_staging_toggle = function(prompt_bufnr)
   local cwd = action_state.get_current_picker(prompt_bufnr).cwd
   local selection = action_state.get_selected_entry()

lua/telescope/builtin/files.lua

@@ -13,6 +13,7 @@ local Path = require('plenary.path')
 local os_sep = Path.path.sep
 
 local flatten = vim.tbl_flatten
+local filter = vim.tbl_filter
 
 local files = {}
 
@@ -29,10 +30,28 @@ end
 
 -- Special keys:
 --  opts.search_dirs -- list of directory to search in
+--  opts.grep_open_files -- boolean to restrict search to open files
 files.live_grep = function(opts)
   local vimgrep_arguments = opts.vimgrep_arguments or conf.vimgrep_arguments
   local search_dirs = opts.search_dirs
-  opts.cwd = opts.cwd and vim.fn.expand(opts.cwd)
+  local grep_open_files = opts.grep_open_files
+  opts.cwd = opts.cwd and vim.fn.expand(opts.cwd) or vim.loop.cwd()
+
+  local filelist = {}
+
+  if grep_open_files then
+   local bufnrs = filter(function(b)
+      if 1 ~= vim.fn.buflisted(b) then return false end
+      return true
+    end, vim.api.nvim_list_bufs())
+    if not next(bufnrs) then return end
+
+    local tele_path = require'telescope.path'
+    for _, bufnr in ipairs(bufnrs) do
+      local file = vim.api.nvim_buf_get_name(bufnr)
+      table.insert(filelist, tele_path.make_relative(file, opts.cwd))
+    end
+  end
 
   if search_dirs then
     for i, path in ipairs(search_dirs) do
@@ -49,15 +68,19 @@ files.live_grep = function(opts)
 
       prompt = escape_chars(prompt)
 
-      local args = flatten { vimgrep_arguments, prompt }
+      local search_list = {}
 
       if search_dirs then
-        table.insert(args, search_dirs)
+        table.insert(search_list, search_dirs)
       elseif os_sep == '\\' then
-        table.insert(args, '.')
+        table.insert(search_list, '.')
       end
 
-      return args
+      if grep_open_files then
+        search_list = filelist
+      end
+
+      return flatten { vimgrep_arguments, prompt, search_list }
     end,
     opts.entry_maker or make_entry.gen_from_vimgrep(opts),
     opts.max_results,
@@ -72,6 +95,7 @@ files.live_grep = function(opts)
   }):find()
 end
 
+
 -- Special keys:
 --  opts.search -- the string to search.
 --  opts.search_dirs -- list of directory to search in
@@ -211,16 +235,16 @@ end
 files.file_browser = function(opts)
   opts = opts or {}
 
+  opts.depth = opts.depth or 1
   opts.cwd = opts.cwd and vim.fn.expand(opts.cwd) or vim.loop.cwd()
-
-  local gen_new_finder = function(path)
+  opts.new_finder = opts.new_finder or function(path)
     opts.cwd = path
     local data = {}
 
     scan.scan_dir(path, {
       hidden = opts.hidden or false,
       add_dirs = true,
-      depth = 1,
+      depth = opts.depth,
       on_insert = function(entry, typ)
         table.insert(data, typ == 'directory' and (entry .. os_sep) or entry)
       end
@@ -242,8 +266,8 @@ files.file_browser = function(opts)
   end
 
   pickers.new(opts, {
-    prompt_title = 'Find Files',
-    finder = gen_new_finder(opts.cwd),
+    prompt_title = 'File Browser',
+    finder = opts.new_finder(opts.cwd),
     previewer = conf.file_previewer(opts),
     sorter = conf.file_sorter(opts),
     attach_mappings = function(prompt_bufnr, map)
@@ -253,7 +277,7 @@ files.file_browser = function(opts)
         local new_cwd = vim.fn.expand(action_state.get_selected_entry().path:sub(1, -2))
         local current_picker = action_state.get_current_picker(prompt_bufnr)
         current_picker.cwd = new_cwd
-        current_picker:refresh(gen_new_finder(new_cwd), { reset_prompt = true })
+        current_picker:refresh(opts.new_finder(new_cwd), { reset_prompt = true })
       end)
 
       local create_new_file = function()
@@ -276,7 +300,7 @@ files.file_browser = function(opts)
           Path:new(fpath:sub(1, -2)):mkdir({ parents = true })
           local new_cwd = vim.fn.expand(fpath)
           current_picker.cwd = new_cwd
-          current_picker:refresh(gen_new_finder(new_cwd), { reset_prompt = true })
+          current_picker:refresh(opts.new_finder(new_cwd), { reset_prompt = true })
         end
       end
 
@@ -332,17 +356,65 @@ files.current_buffer_fuzzy_find = function(opts)
   -- All actions are on the current buffer
   local bufnr = vim.api.nvim_get_current_buf()
   local filename = vim.fn.expand(vim.api.nvim_buf_get_name(bufnr))
+  local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype")
 
   local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
   local lines_with_numbers = {}
 
   for lnum, line in ipairs(lines) do
     table.insert(lines_with_numbers, {
       lnum = lnum,
-      line = line,
       bufnr = bufnr,
       filename = filename,
+      text = line,
+    })
+  end
+
+  local ok, parser = pcall(vim.treesitter.get_parser, bufnr, filetype)
+  if ok then
+    local query = vim.treesitter.get_query(filetype, "highlights")
+
+    local root = parser:parse()[1]:root()
+
+    local highlighter = vim.treesitter.highlighter.new(parser)
+    local highlighter_query = highlighter:get_query(filetype)
+
+    local line_highlights = setmetatable({}, {
+      __index = function(t, k)
+        local obj = {}
+        rawset(t, k, obj)
+        return obj
+      end,
     })
+    for id, node in query:iter_captures(root, bufnr, 0, -1) do
+      local hl = highlighter_query.hl_cache[id]
+      if hl then
+        local row1, col1, row2, col2 = node:range()
+
+        if row1 == row2 then
+          local row = row1 + 1
+
+          for index = col1, col2 do
+            line_highlights[row][index] = hl
+          end
+        else
+          local row = row1 + 1
+          for index = col1, #lines[row] do
+              line_highlights[row][index] = hl
+          end
+
+          while row < row2 + 1 do
+            row = row + 1
+
+            for index = 0, #lines[row] do
+              line_highlights[row][index] = hl
+            end
+          end
+        end
+      end
+    end
+
+    opts.line_highlights = line_highlights
   end
 
   pickers.new(opts, {