feat(global): fallback to tags (#2184)

Author: ibhagwan

lua/fzf-lua/defaults.lua

@@ -361,14 +361,40 @@ M.defaults.files                = {
 }
 
 M.defaults.global               = vim.tbl_deep_extend("force", M.defaults.files, {
+  silent            = true,
   cwd_prompt        = true,
   line_query        = true,
-  pickers           = {
-    { "files", desc = "Files" },
-    { "buffers", desc = "Bufs", prefix = "$" },
-    { "lsp_document_symbols", desc = "Symbols (buf)", prefix = "@" },
-    { "lsp_workspace_symbols", desc = "Symbols (project)", prefix = "#" },
-  },
+  pickers           = function()
+    local clients = utils.lsp_get_clients({ bufnr = FzfLua.core.CTX().bufnr })
+    return utils.tbl_isempty(clients) and {
+          { "files",   desc = "Files" },
+          { "buffers", desc = "Bufs", prefix = "$" },
+          {
+            "btags",
+            desc = "Tags (buf)",
+            prefix = "@",
+            opts = {
+              fn_transform = [[return require("fzf-lua.make_entry").tag]],
+            }
+          },
+          {
+            "tags",
+            desc = "Tags (project)",
+            prefix = "#",
+            opts = {
+              fn_transform = [[return require("fzf-lua.make_entry").tag]],
+              rg_opts      = "--no-heading --color=always --smart-case",
+              grep_opts    = "--color=auto --perl-regexp",
+            }
+          },
+        }
+        or {
+          { "files",                 desc = "Files" },
+          { "buffers",               desc = "Bufs",              prefix = "$" },
+          { "lsp_document_symbols",  desc = "Symbols (buf)",     prefix = "@" },
+          { "lsp_workspace_symbols", desc = "Symbols (project)", prefix = "#" },
+        }
+  end,
   fzf_opts          = { ["--nth"] = false, ["--with-nth"] = false },
   winopts           = { preview = { winopts = { cursorline = true } } },
   _ctx              = { includeBuflist = true }, -- we include a buffer picker

lua/fzf-lua/providers/meta.lua

@@ -157,6 +157,10 @@ M.global = function(opts)
     return FzfLua.files(opts)
   end
 
+  if type(opts.pickers) == "function" then
+    opts.pickers = opts.pickers()
+  end
+
   -- Tells fzf_wrap to not start the fzf process
   opts._start = false
   local pickers = {}
@@ -177,7 +181,8 @@ M.global = function(opts)
       else
         -- Each subsequent picker gets a fresh copy of the original opts
         -- (unmodified by the default picker)
-        pickers[name] = { FzfLua[name](opts_copy) }
+        pickers[name] = { FzfLua[name](t.opts and
+          vim.tbl_deep_extend("force", {}, opts_copy, t.opts) or opts_copy) }
       end
     else
       utils.warn(string.format("invalid picker '%s', ignoring.", name))

lua/fzf-lua/providers/tags.lua

@@ -98,8 +98,10 @@ local function tags(opts)
         return
       end
     else
-      utils.info(("Tags file ('%s') does not exist. Create one with ctags -R")
-        :format(opts._ctags_file))
+      if opts.silent ~= true then
+        utils.info(("Tags file ('%s') does not exist. Create one with ctags -R")
+          :format(opts._ctags_file))
+      end
       return
     end
   end