Very concise vim configuration

.vimrc

" =============================================================================
"
" Sections:
"    -> vim_plug
"    -> general
"    -> user_interface
"    -> colors_and_fonts
"    -> misc
"
" =============================================================================


" =============================================================================
" => vim_plug
" =============================================================================
call plug#begin()

Plug 'morhetz/gruvbox'

" - Automatically executes `filetype plugin indent on` and `syntax enable`.
call plug#end()
" You can revert the settings after the call like so:
"   filetype indent off   " Disable file-type-specific indentation
"   syntax off            " Disable syntax highlighting


" =============================================================================
" => general
" =============================================================================
" Sets how many lines of history VIM has to remember
set history=500

" Enable filetype plugins
filetype plugin on
filetype indent on

" Set to auto read when a file is changed from the outside
set autoread
au FocusGained,BufEnter * checktime

let mapleader = ","

" To avoid the extra 'shift' keypress when typing the colon
:nmap ; :

" Turn backup off, since most stuff is in SVN, git etc. anyway...
set nobackup
set nowb
set noswapfile

" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

" Return to last edit position when opening files (You want this!)
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif

" Always center when scrolling (You want this too!)
nnoremap k kzz
nnoremap j jzz


" =============================================================================
" => user_interface
" =============================================================================
" show line number
set number

" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

" Avoid garbled characters in Chinese language windows OS
let $LANG='en'
set langmenu=en

" Turn on the Wild menu
set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

"Always show current position
set ruler

" Height of the command bar
set cmdheight=1

" A buffer becomes hidden when it is abandoned
set hid

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases
set smartcase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch

" Don't redraw while executing macros (good performance config)
set lazyredraw

" For regular expressions turn magic on
set magic

" Show matching brackets when text indicator is over them
set showmatch
" How many tenths of a second to blink when matching brackets
set mat=2

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Properly disable sound on errors on MacVim
if has("gui_macvim")
    autocmd GUIEnter * set vb t_vb=
endif

" Add a bit extra margin to the left
set foldcolumn=1

" Always show the status line
set laststatus=2


" =============================================================================
" => colors_and_fonts
" =============================================================================
" Enable syntax highlighting
syntax enable

" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

colorscheme gruvbox

set background=dark

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set guifont=*
    set t_Co=256
    set guitablabel=%M\ %t
endif

" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac


" =============================================================================
" => misc
" =============================================================================
" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4

" Linebreak on 500 characters
set lbr
set tw=500

set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines