[IMP] [QCI-100] Bump TF version and language server, coc.nvim fixes

files/.config/nvim/base.vim

@@ -41,8 +41,22 @@ set nowrap
 " two lines for command line
 set cmdheight=2
 
+" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
+" delays and poor user experience.
 set updatetime=300
 
+" Don't pass messages to |ins-completion-menu|.
+set shortmess+=c
+
+" Always show the signcolumn, otherwise it would shift the text each time
+" diagnostics appear/become resolved.
+if has("patch-8.1.1564")
+  " Recently vim can merge signcolumn and number column into one
+  set signcolumn=number
+else
+  set signcolumn=yes
+endif
+
 " ============================================================================ "
 " ===                                UI                                    === "
 " ============================================================================ "

files/.config/nvim/coc-settings.json

@@ -1,9 +1,15 @@
 {
+    "suggest.echodocSupport": true,
+    "python.jediEnabled": false,
+    "python.linting.pylintEnabled": false,
+    "python.linting.flake8Enabled": true,
     "languageserver": {
         "terraform": {
-            "command": "terraform-lsp",
+            "command": "terraform-ls",
+            "args": ["serve"],
             "filetypes": ["tf", "terraform"],
-            "initializationOptions": {}
+            "initializationOptions": {},
+            "settings": {}
         }
     }
 }

files/.config/nvim/mappings.vim

@@ -85,6 +85,7 @@ 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