move vimrc into home-manager config

home/overlays.nix

@@ -27,10 +27,119 @@
               vim-jinja
             ];
           };
-          vimrcConfig.customRC =
-            ''if filereadable($HOME . "/.vimrc")
-        source ~/.vimrc
-      endif
+          vimrcConfig.customRC = ''
+            " disable vim modelines for security reasons
+            set modelines=0
+            set nomodeline
+
+            " Uncomment the following to have Vim jump to the last position when
+            " reopening a file
+            if has("autocmd")
+              au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
+            endif
+
+            set nocompatible
+            set hidden
+
+            " automatically close preview window after suggestion
+            autocmd CompleteDone * pclose
+
+            " Pathogen
+            "execute pathogen#infect()
+            "call pathogen#infect()
+            "call pathogen#helptags()
+
+            set statusline=%<\ %n:%f\ %m%r%y%=%-35.(line:\ %l\ of\ %L,\ col:\ %c%V\ (%P)%)
+            filetype plugin indent on
+             
+            syntax on
+
+            set number
+            set mouse=a
+            set mousehide
+
+            set backspace=indent,eol,start
+
+            set hlsearch
+            set showmatch
+            set incsearch
+            set autoindent
+            set history=1000
+            " set cursorline
+            if has("unnamedplus")
+              set clipboard=unnamedplus
+            elseif has("clipboard")
+              set clipboard=unnamed
+            endif
+
+            " set expandtab
+            set shiftwidth=4
+            set tabstop=4
+            set softtabstop=4
+
+            " enable truecolor support
+            "let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
+            "let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
+            "set termguicolors
+            "
+            "let base16colorspace=256
+
+            "colorscheme base16-tomorrow-night
+            "colorscheme Tomorrow-Night
+            "colorscheme base16-default-dark
+
+            set background=dark
+
+            " Use the same symbols as TextMate for tabstops and EOLs
+            set listchars=tab:▸\ ,eol:¬
+
+            " default tab completion with supertab
+            let g:SuperTabDefaultCompletionType = "context"
+
+
+            " LanguageClient
+            " Required for operations modifying multiple buffers like rename.
+            set hidden
+            nnoremap <F5> :call LanguageClient_contextMenu()<CR>
+            let g:LanguageClient_serverCommands = { 'haskell': ['hie-wrapper', '--lsp'] }
+
+            " enable LanguageClient functions only if a server mapping exists
+            function LC_maps()
+              if has_key(g:LanguageClient_serverCommands, &filetype)
+                nnoremap <buffer> <silent> K :call LanguageClient#textDocument_hover()<cr>
+                nnoremap <buffer> <silent> gd :call LanguageClient#textDocument_definition()<CR>
+                nnoremap <buffer> <silent> <F2> :call LanguageClient#textDocument_rename()<CR>
+              set omnifunc=LanguageClient#complete
+              set completefunc=LanguageClient#complete
+              endif
+            endfunction
+
+            autocmd FileType * call LC_maps()
+
+            au FileType python setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
+            au FileType haskell setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4
+            " haskell-vim
+            let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
+            let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
+            let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
+            let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
+            let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
+            let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
+            let g:haskell_backpack = 1                " to enable highlighting of backpack keywords
+            au FileType markdown setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
+            au FileType nix setlocal tabstop=2 expandtab shiftwidth=2 softtabstop=2
+            set ofu=syntaxcomplete#Complete
+            " nmap <C-V> "+gP
+            " imap <C-V> <ESC><C-V>a
+            vmap <C-C> "+y 
+
+            " ALE linter settings
+            let g:ale_linters = { 'python': ['flake8'] }
+
+            " vim-pandoc settings
+            let g:pandoc#modules#disabled = ["spell"]
+            set textwidth=0
+            set wrapmargin=0
       '';
         };
         # build with debug symbols and in debug mode (less optimized)