vim-plug and coc.vim for rust

* Use vim-plug for all vim plugins
* Unified vim and neovim settings
* Lazy-loading of coc.vim for rust projects

.config/nvim/coc.vim

@@ -0,0 +1,158 @@
+" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
+" delays and poor user experience.
+set updatetime=300
+
+" Avoid showing extra messages when using completion
+set shortmess+=c
+
+" Always show the signcolumn, otherwise it would shift the text each time
+" diagnostics appear/become resolved.
+if has("nvim-0.5.0") || has("patch-8.1.1564")
+  " Recently vim can merge signcolumn and number column into one
+  set signcolumn=number
+else
+  set signcolumn=yes
+endif
+
+" Use tab for trigger completion with characters ahead and navigate.
+" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
+" other plugin before putting this into your config.
+inoremap <silent><expr> <TAB>
+      \ pumvisible() ? "\<C-n>" :
+      \ <SID>check_back_space() ? "\<TAB>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+
+function! s:check_back_space() abort
+    let col = col('.') - 1
+    return !col || getline('.')[col - 1]  =~ '\s'
+endfunction
+
+" Use <c-space> to trigger completion.
+if has('nvim')
+  inoremap <silent><expr> <c-space> coc#refresh()
+else
+  inoremap <silent><expr> <c-@> coc#refresh()
+endif
+
+" Make <CR> auto-select the first completion item and notify coc.nvim to
+" format on enter, <cr> could be remapped by other vim plugin
+" Play well with endwise: https://github.com/tpope/vim-endwise/issues/125#issuecomment-743921576
+"
+inoremap <silent> <CR> <C-r>=<SID>coc_confirm()<CR>
+function! s:coc_confirm() abort
+  if pumvisible() && complete_info()["selected"] >= 0
+    return coc#_select_confirm()
+  else
+    return "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
+  endif
+endfunction
+
+" Goto previous/next diagnostic warning/error
+nmap <silent> [d <Plug>(coc-diagnostic-prev)
+nmap <silent> ]d <Plug>(coc-diagnostic-next)
+
+" Code navigation
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+" Use K to show documentation in preview window.
+nnoremap <silent> K :call <SID>show_documentation()<CR>
+
+function! s:show_documentation()
+  if (index(['vim','help'], &filetype) >= 0)
+    execute 'h '.expand('<cword>')
+  else
+    call CocActionAsync('doHover')
+  endif
+endfunction
+" Highlight the symbol and its references when holding the cursor.
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+" Symbol renaming.
+nmap <leader>rn <Plug>(coc-rename)
+
+" Formatting selected code.
+xmap <leader>f  <Plug>(coc-format-selected)
+nmap <leader>f  <Plug>(coc-format-selected)
+
+augroup mygroup
+  autocmd!
+  " Setup formatexpr specified filetype(s).
+  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+  " Update signature help on jump placeholder.
+  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+augroup end
+
+" Applying codeAction to the selected region.
+" Example: `<leader>aap` for current paragraph
+xmap <leader>a  <Plug>(coc-codeaction-selected)
+nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+" Remap keys for applying codeAction to the current buffer.
+nmap <leader>ac  <Plug>(coc-codeaction)
+" Apply AutoFix to problem on the current line.
+nmap <leader>qf  <Plug>(coc-fix-current)
+
+" Run the Code Lens action on the current line.
+nmap <leader>cl  <Plug>(coc-codelens-action)
+
+" Map function and class text objects
+" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
+xmap if <Plug>(coc-funcobj-i)
+omap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap af <Plug>(coc-funcobj-a)
+xmap ic <Plug>(coc-classobj-i)
+omap ic <Plug>(coc-classobj-i)
+xmap ac <Plug>(coc-classobj-a)
+omap ac <Plug>(coc-classobj-a)
+
+" Remap <C-f> and <C-b> for scroll float windows/popups.
+if has('nvim-0.4.0') || has('patch-8.2.0750')
+  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
+  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
+  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
+  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
+  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
+  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
+endif
+
+" Use CTRL-S for selections ranges.
+" Requires 'textDocument/selectionRange' support of language server.
+nmap <silent> <C-s> <Plug>(coc-range-select)
+xmap <silent> <C-s> <Plug>(coc-range-select)
+
+" Add `:Format` command to format current buffer.
+command! -nargs=0 Format :call CocAction('format')
+
+" Add `:Fold` command to fold current buffer.
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)
+
+" Add `:OR` command for organize imports of the current buffer.
+command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')
+
+" Add (Neo)Vim's native statusline support.
+" NOTE: Please see `:h coc-status` for integrations with external plugins that
+" provide custom statusline: lightline.vim, vim-airline.
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
+
+" Mappings for CoCList
+" Show all diagnostics.
+nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
+" Manage extensions.
+nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
+" Show commands.
+nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
+" Find symbol of current document.
+nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
+" Search workspace symbols.
+nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
+" Do default action for next item.
+nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
+" Do default action for previous item.
+nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
+" Resume latest coc list.
+nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>

.gitmodules

@@ -4,81 +4,6 @@
 [submodule "lib/fasd"]
 	path = lib/fasd
 	url = https://github.com/clvv/fasd.git
-[submodule ".vim/bundle/vim-pathogen"]
-	path = .vim/bundle/vim-pathogen
-	url = https://github.com/tpope/vim-pathogen.git
-[submodule ".vim/bundle/Lucius"]
-	path = .vim/bundle/Lucius
-	url = https://github.com/clvv/Lucius.git
-[submodule ".vim/bundle/vim-coffee-script"]
-	path = .vim/bundle/vim-coffee-script
-	url = https://github.com/kchmck/vim-coffee-script.git
-[submodule ".vim/bundle/a.vim"]
-	path = .vim/bundle/a.vim
-	url = https://github.com/clvv/a.vim.git
-[submodule ".vim/bundle/delimitMate"]
-	path = .vim/bundle/delimitMate
-	url = https://github.com/Raimondi/delimitMate.git
-[submodule ".vim/bundle/file-line"]
-	path = .vim/bundle/file-line
-	url = https://github.com/bogado/file-line.git
-[submodule ".vim/bundle/IndexedSearch"]
-	path = .vim/bundle/IndexedSearch
-	url = https://github.com/vim-scripts/IndexedSearch.git
-[submodule ".vim/bundle/supertab"]
-	path = .vim/bundle/supertab
-	url = https://github.com/ervandew/supertab.git
-[submodule ".vim/bundle/vim-endwise"]
-	path = .vim/bundle/vim-endwise
-	url = https://github.com/tpope/vim-endwise.git
-[submodule ".vim/bundle/tabular"]
-	path = .vim/bundle/tabular
-	url = https://github.com/godlygeek/tabular.git
-[submodule ".vim/bundle/vim-commentary"]
-	path = .vim/bundle/vim-commentary
-	url = https://github.com/tpope/vim-commentary.git
-[submodule ".vim/bundle/vim-enunuch"]
-	path = .vim/bundle/vim-enunuch
-	url = https://github.com/tpope/vim-eunuch.git
-[submodule ".vim/bundle/vim-fugitive"]
-	path = .vim/bundle/vim-fugitive
-	url = https://github.com/tpope/vim-fugitive.git
-[submodule ".vim/bundle/vim-ragtag"]
-	path = .vim/bundle/vim-ragtag
-	url = https://github.com/tpope/vim-ragtag.git
-[submodule ".vim/bundle/vim-repeat"]
-	path = .vim/bundle/vim-repeat
-	url = https://github.com/tpope/vim-repeat.git
-[submodule ".vim/bundle/vim-surround"]
-	path = .vim/bundle/vim-surround
-	url = https://github.com/tpope/vim-surround.git
-[submodule ".vim/bundle/vim-tmux"]
-	path = .vim/bundle/vim-tmux
-	url = https://github.com/tsaleh/vim-tmux.git
-[submodule ".vim/bundle/ZoomWin"]
-	path = .vim/bundle/ZoomWin
-	url = https://github.com/vim-scripts/ZoomWin.git
-[submodule ".vim/bundle/ctrlp.vim"]
-	path = .vim/bundle/ctrlp.vim
-	url = https://github.com/kien/ctrlp.vim.git
-[submodule ".vim/bundle/ack.vim"]
-	path = .vim/bundle/ack.vim
-	url = https://github.com/mileszs/ack.vim.git
-[submodule ".vim/bundle/tlib_vim"]
-	path = .vim/bundle/tlib_vim
-	url = https://github.com/tomtom/tlib_vim.git
-[submodule ".vim/bundle/vim-addon-mw-utils"]
-	path = .vim/bundle/vim-addon-mw-utils
-	url = https://github.com/MarcWeber/vim-addon-mw-utils.git
-[submodule ".vim/bundle/vim-snipmate"]
-	path = .vim/bundle/vim-snipmate
-	url = https://github.com/garbas/vim-snipmate.git
-[submodule ".vim/bundle/nerdtree"]
-	path = .vim/bundle/nerdtree
-	url = https://github.com/scrooloose/nerdtree.git
-[submodule ".vim/bundle/rust.vim"]
-	path = .vim/bundle/rust.vim
-	url = https://github.com/rust-lang/rust.vim.git
-[submodule ".vim/bundle/tagbar"]
-	path = .vim/bundle/tagbar
-	url = https://github.com/preservim/tagbar.git
+[submodule "lib/vim-plug"]
+	path = lib/vim-plug
+	url = https://github.com/junegunn/vim-plug.git

.vim/autoload/plug.vim

@@ -0,0 +1 @@
+../../lib/vim-plug/plug.vim

.vimpagerrc

@@ -1,8 +1,9 @@
 if &t_Co == 256
   set mouse=a
-  if filereadable(expand('~/.vim/bundle/Lucius/colors/lucius.vim'))
-    let &runtimepath .= ',' . expand('~/.vim/bundle/Lucius')
+  if filereadable(expand('~/.vim/plugged/vim-lucius/colors/lucius.vim'))
+    let &runtimepath .= ',' . expand('~/.vim/plugged/vim-lucius')
     colorscheme lucius
+    LuciusDark
   endif
 endif