Add wilder.nvim for cmdline auto-completion

core/plugins.vim

@@ -532,5 +532,34 @@ nnoremap <leader>dp :<C-U>GdbStartPDB python -m pdb %<CR>
 let g:registers_show_empty_registers = 0
 let g:registers_window_border = 'single'
 let g:registers_window_max_width = 80
+
+""""""""""""""""""""""""""""""wilder.nvim settings""""""""""""""""""""""""""""""
+call wilder#enable_cmdline_enter()
+set wildcharm=<Tab>
+cmap <expr> <Tab> wilder#in_context() ? wilder#next() : "\<Tab>"
+cmap <expr> <S-Tab> wilder#in_context() ? wilder#previous() : "\<S-Tab>"
+
+" only / and ? are enabled by default
+call wilder#set_option('modes', ['/', '?', ':'])
+
+call wilder#set_option('pipeline', [
+      \   wilder#branch(
+      \     wilder#cmdline_pipeline({
+      \       'language': 'python',
+      \       'fuzzy': 1,
+      \     }),
+      \     wilder#python_search_pipeline({
+      \       'pattern': wilder#python_fuzzy_pattern(),
+      \       'sorter': wilder#python_difflib_sorter(),
+      \       'engine': 're',
+      \     }),
+      \   ),
+      \ ])
+
+call wilder#set_option('renderer', wilder#wildmenu_renderer({
+      \ 'highlighter': wilder#basic_highlighter(),
+      \ 'separator': '  ',
+      \ 'right': [' ', wilder#wildmenu_index()],
+      \ }))
 "}}
 "}

lua/plugins.lua

@@ -285,6 +285,9 @@ require('packer').startup(
 
     -- Show register content
     use "tversteeg/registers.nvim"
+
+    -- The missing auto-completion for cmdline!
+    use 'gelguy/wilder.nvim'
   end,
   config = {
     max_jobs = 16,