update fzf use rg

config/plugins.shared.vim

@@ -43,20 +43,32 @@ if executable('fzf') && v:version >= 704
 
   nnoremap <space>fg :GFiles<CR>
   nnoremap <space>ff :Files<CR>
-  nnoremap <space>fr :History<CR>
+  nnoremap <space>fH :History<CR>
   nnoremap <space>ft :Tags<CR>
   nnoremap <space>fb :Buffers<CR>
   nnoremap <space>fh :Helptags<CR>
-  nnoremap <space>fa :Ag<CR>
-  nnoremap <space>fA :Ag!<CR>
+  " nnoremap <space>fa :Ag<CR>
+  " nnoremap <space>fA :Ag!<CR>
 
   " Ag! gives fullscreen with preview
-  command! -bang -nargs=* Ag
-    \ call fzf#vim#ag(<q-args>,
-    \                 <bang>0 ? fzf#vim#with_preview('up:60%')
-    \                         : fzf#vim#with_preview('right:50%:hidden', '?'),
-    \                 <bang>0)
-  
+  " command! -bang -nargs=* Ag
+  "   \ call fzf#vim#ag(<q-args>,
+  "   \                 <bang>0 ? fzf#vim#with_preview('up:60%')
+  "   \                         : fzf#vim#with_preview('right:50%:hidden', '?'),
+  "   \                 <bang>0)
+  "
+  " Similarly, we can apply it to fzf#vim#grep. To use ripgrep instead of ag:
+  command! -bang -nargs=* Rg
+        \ call fzf#vim#grep(
+        \   'rg --column --line-number --no-heading --color=always --smart-case '.shellescape(<q-args>), 1,
+        \   <bang>0 ? fzf#vim#with_preview('up:60%')
+        \           : fzf#vim#with_preview('right:50%:hidden', '?'),
+        \   <bang>0)
+
+  " Files command with preview window
+  command! -bang -nargs=? -complete=dir Files
+        \ call fzf#vim#files(<q-args>, fzf#vim#with_preview(), <bang>0)
+
   let g:fzf_colors =
   \ { 'fg':      ['fg', 'Normal'],
     \ 'bg':      ['bg', 'Normal'],