Modernize vim completion.

bashrc

@@ -37,3 +37,6 @@ for fn in /usr/share/fzf/shell/key-bindings.bash /usr/share/fzf/key-bindings.bas
     break
   fi
 done
+
+# add Pulumi to the PATH
+export PATH=$PATH:/home/gebner/.pulumi/bin

vimrc

@@ -112,7 +112,12 @@ Plug 'nvim-lua/plenary.nvim'
 " Plug 'nvim-treesitter/nvim-treesitter-textobjects'
 " Plug 'nvim-treesitter/playground'
 
-Plug 'hrsh7th/nvim-compe'
+Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'hrsh7th/cmp-buffer'
+Plug 'hrsh7th/cmp-path'
+Plug 'hrsh7th/cmp-cmdline'
+Plug 'hrsh7th/nvim-cmp'
+
 if isdirectory(expand('~/lean.nvim'))
   Plug '~/lean.nvim'
 else
@@ -177,7 +182,7 @@ let g:jellybeans_overrides = {
 "   colors jellybeans
 " endif
 " colors monokai-nightasty
-colors default
+colors vim
 
 au syntax java  setl ts=4 sts=4 sw=4
 
@@ -265,27 +270,37 @@ lua <<EOF
   --   },
   -- }
 
-require'compe'.setup {
+local cmp = require'cmp'
+cmp.setup {
   enabled = true;
-  autocomplete = false;
-  debug = false;
-  min_length = 1;
-  preselect = 'enable';
-  throttle_time = 80;
-  source_timeout = 200;
-  incomplete_delay = 400;
-  max_abbr_width = 100;
-  max_kind_width = 100;
-  max_menu_width = 100;
-  documentation = true;
+  -- autocomplete = false;
+  -- debug = false;
+  -- min_length = 1;
+  -- preselect = 'enable';
+  -- throttle_time = 80;
+  -- source_timeout = 200;
+  -- incomplete_delay = 400;
+  -- max_abbr_width = 100;
+  -- max_kind_width = 100;
+  -- max_menu_width = 100;
+  -- documentation = true;
 
-  source = {
-    path = true;
-    buffer = true;
-    calc = true;
-    nvim_lsp = true;
-    -- emoji = true;
-  };
+  mapping = cmp.mapping.preset.insert({
+    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['<C-e>'] = cmp.mapping.abort(),
+    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+  });
+  sources = cmp.config.sources({
+    { name = 'nvim_lsp' },
+    -- { name = 'vsnip' }, -- For vsnip users.
+    -- { name = 'luasnip' }, -- For luasnip users.
+    -- { name = 'ultisnips' }, -- For ultisnips users.
+    -- { name = 'snippy' }, -- For snippy users.
+  }, {
+    { name = 'buffer' },
+  });
 }
 
 vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
@@ -365,12 +380,6 @@ hi Pmenu ctermfg=White ctermbg=Black guifg=#ffffff guibg=#000000
 
 au syntax leaninfo setl scl=no
 
-inoremap <silent><expr> <C-Space> compe#complete()
-inoremap <silent><expr> <CR>      compe#confirm('<CR>')
-inoremap <silent><expr> <C-e>     compe#close('<C-e>')
-inoremap <silent><expr> <C-f>     compe#scroll({ 'delta': +4 })
-inoremap <silent><expr> <C-d>     compe#scroll({ 'delta': -4 })
-
 nnoremap gD <Cmd>lua vim.lsp.buf.declaration()<CR>
 nnoremap gd <Cmd>lua vim.lsp.buf.definition()<CR>
 nnoremap K <Cmd>lua vim.lsp.buf.hover()<CR>