added vim and rust and nix autocomplete

configuration.nix

@@ -24,7 +24,7 @@ in
       efiSupport = true;
       enable = true;
       version = 2;
-      useOSProber = true;
+      # useOSProber = true;
     };  
   };
 
@@ -107,7 +107,7 @@ in
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
-    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    # vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
   #   wget
   ];
 

flake.nix

@@ -37,6 +37,7 @@
                   ./home.nix
                   ./modules/zsh.nix
                   ./modules/urxvt.nix
+                  ./modules/vim.nix
 	        ];
               };
             }

home.nix

@@ -31,6 +31,7 @@ in
       obsidian
       powerline
 
+      nodejs # required for coc-nvim
       # Gui application
       firefox
       libsForQt5.kate

modules/vim.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, ... }:
+
+let 
+
+in
+{
+  programs.vim = {
+    enable = true;
+    plugins = with pkgs.vimPlugins; 
+      let
+          moonfly = pkgs.vimUtils.buildVimPlugin {
+            name = "moonfly";
+            src = pkgs.fetchFromGitHub {
+              owner = "bluz71";
+              repo = "vim-moonfly-colors";
+              rev = "d51e3ad78654aa479d59adb81a98f179d595bdee";
+              sha256 = "0uHEB8uNQeGpVWuZfyrVAWTyefJMCitTmNpHmKVFOaQ=";
+            };
+          };
+        in [
+          moonfly
+          coc-rust-analyzer 
+          coc-nvim
+          rust-vim
+          vim-nix
+    ];
+
+    extraConfig = builtins.readFile ../rsrcs/.vimrc;
+  };
+ 
+} 

modules/zsh.nix

@@ -40,9 +40,4 @@ in
     source = ../rsrcs/.p10k.zsh;
   };
 
-  # programs.zsh.ohMyZsh = {
-  #  enable = true;
-    
-
-  # };
 }

rsrcs/.vimrc

@@ -0,0 +1,91 @@
+set autoindent
+set expandtab
+set tabstop=4
+set shiftwidth=4
+set foldmethod=syntax
+set foldlevel=20
+set number
+syntax on
+syntax enable
+filetype plugin indent on
+ 
+
+    " Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
+    " delays and poor user experience.
+    set updatetime=300
+
+    set signcolumn=number
+
+
+    " 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>" :
+          \ CheckBackspace() ? "\<TAB>" :
+          \ coc#refresh()
+    inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+
+    function! CheckBackspace() 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
+
+
+    " Use `[g` and `]g` to navigate diagnostics
+    " Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
+    nmap <silent> [g <Plug>(coc-diagnostic-prev)
+    nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+    " GoTo 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 ShowDocumentation()<CR>
+
+    function! ShowDocumentation()
+      if CocAction('hasProvider', 'hover')
+        call CocActionAsync('doHover')
+      else
+        call feedkeys('K', 'in')
+      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)
+    let g:rustfmt_autosave = 1
+
+    " Add `:Format` command to format current buffer.
+    command! -nargs=0 Format :call CocActionAsync('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','')}
+
+
+colorscheme moonfly
+set number