new provider: tags_live_grep

README.md

@@ -200,6 +200,7 @@ vim.api.nvim_set_keymap('n', '<c-P>',
 | `spell_suggest`    | spelling suggestions                       |
 | `tags`             | project tags                               |
 | `tags_grep`        | grep project tags                          |
+| `tags_live_grep`   | live grep project tags                     |
 | `btags`            | buffer tags                                |
 | `filetypes`        | neovim filetypes                           |
 | `packadd`          | :packadd <package>                         |
@@ -620,6 +621,9 @@ require'fzf-lua'.setup {
     file_icons            = true,
     git_icons             = true,
     color_icons           = true,
+    -- 'tags_live_grep' options, `rg` prioritizes over `grep`
+    rg_opts               = "--no-heading --color=always --smart-case",
+    grep_opts             = "--color=auto --perl-regexp",
     -- actions inherit from 'actions.files'
   },
   btags = {

doc/fzf-lua.txt

@@ -233,6 +233,7 @@ MISC                                                            *fzf-lua-misc*
 | `spell_suggest`    | spelling suggestions                       |
 | `tags`             | project tags                               |
 | `tags_grep`        | grep project tags                          |
+| `tags_live_grep`   | live grep project tags                     |
 | `btags`            | buffer tags                                |
 | `filetypes`        | neovim filetypes                           |
 | `packadd`          | :packadd <package>                         |
@@ -662,6 +663,9 @@ Consult the list below for available settings:
         file_icons            = true,
         git_icons             = true,
         color_icons           = true,
+        -- 'tags_live_grep' options, `rg` prioritizes over `grep`
+        rg_opts               = "--no-heading --color=always --smart-case",
+        grep_opts             = "--color=auto --perl-regexp",
         -- actions inherit from 'actions.files'
       },
       btags = {

lua/fzf-lua/config.lua

@@ -377,6 +377,8 @@ M.globals.tags = {
     previewer             = { _ctor = previewers.builtin.tags },
     prompt                = 'Tags> ',
     ctags_file            = "tags",
+    rg_opts               = "--no-heading --color=always --smart-case",
+    grep_opts             = "--color=auto --perl-regexp",
     multiprocess          = true,
     file_icons            = true and M._has_devicons,
     git_icons             = true,

lua/fzf-lua/init.lua

@@ -112,6 +112,7 @@ M.colorschemes = require'fzf-lua.providers.colorschemes'.colorschemes
 M.tags = require'fzf-lua.providers.tags'.tags
 M.btags = require'fzf-lua.providers.tags'.btags
 M.tags_grep = require'fzf-lua.providers.tags'.tags_grep
+M.tags_live_grep = require'fzf-lua.providers.tags'.tags_live_grep
 M.tags_old = require'fzf-lua.providers.tags'.tags_old
 M.btags_old = require'fzf-lua.providers.tags'.btags_old
 M.jumps = require'fzf-lua.providers.nvim'.jumps

lua/fzf-lua/providers/grep.lua

@@ -193,7 +193,11 @@ end
 -- multi threaded (multi-process actually) version
 M.live_grep_mt = function(opts)
 
-  opts = config.normalize_opts(opts, config.globals.grep)
+  -- do not normalize when called from 'tags_live_grep'
+  if not opts or not opts._normalized then
+    opts = config.normalize_opts(opts, config.globals.grep)
+  end
+
   if not opts then return end
 
   local no_esc = false

lua/fzf-lua/providers/tags.lua

@@ -167,7 +167,7 @@ end
 local function get_tags_cmd(opts)
   local query = nil
   local cmd = "grep"
-  if vim.fn.executable("rg") == 2 then
+  if vim.fn.executable("rg") == 1 then
     cmd = "rg"
   end
   if opts.search and #opts.search>0 then
@@ -200,13 +200,20 @@ local function tags(opts)
     return
   end
 
-  opts._curr_file = opts._curr_file and
-    path.relative(opts._curr_file, opts.cwd or vim.loop.cwd())
-  opts.cmd = opts.cmd or get_tags_cmd(opts)
   opts._fn_transform = make_entry.tag                            -- multiprocess=false
   opts._fn_transform_str = [[return require("make_entry").tag]]  -- multiprocess=true
   -- prevents 'file|git_icons=false' from overriding processing
   opts.requires_processing = true
+
+  if opts.lgrep then
+    opts.prompt = '*' .. opts.prompt
+    opts.filename = opts._ctags_file
+    return require'fzf-lua.providers.grep'.live_grep_mt(opts)
+  end
+
+  opts._curr_file = opts._curr_file and
+    path.relative(opts._curr_file, opts.cwd or vim.loop.cwd())
+  opts.cmd = opts.cmd or get_tags_cmd(opts)
   local contents = core.mt_cmd_wrapper(opts)
   opts = core.set_header(opts, 2)
   opts = core.set_fzf_field_index(opts)
@@ -240,4 +247,12 @@ M.tags_grep = function(opts)
   return M.tags(opts)
 end
 
+M.tags_live_grep = function(opts)
+  opts = config.normalize_opts(opts, config.globals.tags)
+  if not opts then return end
+  opts.lgrep = true
+  opts.__FNCREF__ = utils.__FNCREF__()
+  return tags(opts)
+end
+
 return M