feat(picker): added opts.rtp (bool) to find/grep over files in the rtp. See #680

lua/snacks/picker/config/sources.lua

@@ -121,6 +121,7 @@ M.diagnostics_buffer = {
 ---@field follow? boolean follow symlinks
 ---@field exclude? string[] exclude patterns
 ---@field args? string[] additional arguments
+---@field rtp? boolean search in runtimepath
 M.files = {
   finder = "files",
   format = "file",
@@ -221,6 +222,7 @@ M.git_diff = {
 ---@field need_search? boolean require a search pattern
 ---@field exclude? string[] exclude patterns
 ---@field args? string[] additional arguments
+---@field rtp? boolean search in runtimepath
 M.grep = {
   finder = "grep",
   format = "file",

lua/snacks/picker/source/files.lua

@@ -82,8 +82,12 @@ local function get_cmd(opts, filter)
   end
 
   -- dirs
-  if opts.dirs and #opts.dirs > 0 then
-    local dirs = vim.tbl_map(vim.fs.normalize, opts.dirs) ---@type string[]
+  local dirs = opts.dirs or {}
+  if opts.rtp then
+    vim.list_extend(dirs, Snacks.picker.util.rtp())
+  end
+  if #dirs > 0 then
+    dirs = vim.tbl_map(vim.fs.normalize, dirs) ---@type string[]
     if is_fd and not pattern then
       args[#args + 1] = "."
     end
@@ -103,7 +107,9 @@ end
 ---@param opts snacks.picker.files.Config
 ---@type snacks.picker.finder
 function M.files(opts, ctx)
-  local cwd = not (opts.dirs and #opts.dirs > 0) and vim.fs.normalize(opts and opts.cwd or uv.cwd() or ".") or nil
+  local cwd = not (opts.rtp or (opts.dirs and #opts.dirs > 0))
+      and vim.fs.normalize(opts and opts.cwd or uv.cwd() or ".")
+    or nil
   local cmd, args = get_cmd(opts, ctx.filter)
   return require("snacks.picker.source.proc").proc({
     opts,

lua/snacks/picker/source/grep.lua

@@ -85,8 +85,10 @@ local function get_cmd(opts, filter)
         paths[#paths + 1] = name
       end
     end
-  elseif opts.dirs and #opts.dirs > 0 then
-    paths = opts.dirs or {}
+  end
+  vim.list_extend(paths, opts.dirs or {})
+  if opts.rtp then
+    vim.list_extend(paths, Snacks.picker.util.rtp())
   end
 
   -- dirs
@@ -104,7 +106,7 @@ function M.grep(opts, ctx)
   if opts.need_search ~= false and ctx.filter.search == "" then
     return function() end
   end
-  local absolute = (opts.dirs and #opts.dirs > 0) or opts.buffers
+  local absolute = (opts.dirs and #opts.dirs > 0) or opts.buffers or opts.rtp
   local cwd = not absolute and vim.fs.normalize(opts and opts.cwd or uv.cwd() or ".") or nil
   local cmd, args = get_cmd(opts, ctx.filter)
   return require("snacks.picker.source.proc").proc({

lua/snacks/picker/util/init.lua

@@ -198,6 +198,16 @@ function M.title(str)
   )
 end
 
+function M.rtp()
+  local ret = {} ---@type string[]
+  vim.list_extend(ret, vim.api.nvim_get_runtime_file("", true))
+  if package.loaded.lazy then
+    local extra = require("lazy.core.util").get_unloaded_rtp("")
+    vim.list_extend(ret, extra)
+  end
+  return ret
+end
+
 ---@param str string
 ---@return string text, string[] args
 function M.parse(str)