From 6d2db0ee0ca6487bf3fc9eda581e83eaea25cb07 Mon Sep 17 00:00:00 2001
From: Munif Tanjim <hello@muniftanjim.dev>
Date: Sat, 13 Aug 2022 15:00:29 +0600
Subject: [PATCH] fix: fetch lsp workspaces without triggering tag completion
 (#72)

---
 lua/telescope/_extensions/frecency.lua | 27 +++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/lua/telescope/_extensions/frecency.lua b/lua/telescope/_extensions/frecency.lua
index 8acc3f6..b7ec31c 100644
--- a/lua/telescope/_extensions/frecency.lua
+++ b/lua/telescope/_extensions/frecency.lua
@@ -53,6 +53,25 @@ local function format_filepath(filename, opts)
   return utils.transform_path(opts, filename)
 end
 
+-- returns `true` if workspaces exist
+---@param bufnr number
+---@param force? boolean
+---@return boolean workspaces_exist
+local function fetch_lsp_workspaces(bufnr, force)
+  if not vim.tbl_isempty(state.lsp_workspaces) and not force then
+    return true
+  end
+
+  local lsp_workspaces = vim.api.nvim_buf_call(bufnr, vim.lsp.buf.list_workspace_folders)
+  if not vim.tbl_isempty(lsp_workspaces) then
+    state.lsp_workspaces = lsp_workspaces
+    return true
+  end
+
+  state.lsp_workspaces = {}
+  return false
+end
+
 local function get_workspace_tags()
   -- Add user config workspaces. TODO: validate that workspaces are existing directories
   local tags = {}
@@ -64,12 +83,8 @@ local function get_workspace_tags()
   table.insert(tags, "CWD")
 
   -- Add LSP workpace(s)
-  local lsp_workspaces = vim.api.nvim_buf_call(state.previous_buffer, vim.lsp.buf.list_workspace_folders)
-  if not vim.tbl_isempty(lsp_workspaces) then
-    state.lsp_workspaces = lsp_workspaces
+  if fetch_lsp_workspaces(state.previous_buffer, true) then
     table.insert(tags, "LSP")
-  else
-    state.lsp_workspaces = {}
   end
 
   -- print(vim.inspect(tags))
@@ -83,6 +98,8 @@ local frecency = function(opts)
   state.previous_buffer = vim.fn.bufnr "%"
   state.cwd = vim.fn.expand(opts.cwd or vim.fn.getcwd())
 
+  fetch_lsp_workspaces(state.previous_buffer)
+
   local function get_display_cols()
     local directory_col_width = 0
     if state.active_filter then