vimrc from hn

.vimrc

" .vimrc
" Author: Karl Groll <karl.groll@gmail.com>
"
" Mostly stolen from Steve Losh
"  (http://stevelosh.com/blog/2010/09/coming-home-to-vim/)
"

" Preamble ---------------------------------------------------------------- {{{
filetype off
call pathogen#runtime_append_all_bundles()              " Enable 'Pathogen' plugin. (Vim plugin manager)
filetype plugin on                                      " Load plugin if one exists for current filetype
filetype plugin indent on                               " Load indent plugin if one exists for current ft. Disable auto-indenting
set nocompatible                                        " Don't use Vi compatibility

" }}}
" Basic Options ----------------------------------------------------------- {{{
set encoding=utf-8                                      " Set encoding inside vim to 32bit UTF-8 encoded Unicode
set modelines=0                                         " Prevent (some) modelines security exploits
set autoindent                                          " Copy indent from current line when CR or o/O commands used
set copyindent                                          " Autoindent copies indent format of previous line
set nosmartindent                                       " Explicity don't try to guess how I want my indents
set showmode                                            " Put a message on last line showing edit mode
set showcmd                                             " Show partial commands
set cursorline                                          " Highlight current row
set ttyfast                                             " Improves smoothness w/ multiple windows
set ruler                                               " Show ruler at bottom
set backspace=indent,eol,start                          " Nothing can stop the backspace !
set number                                              " Turn on line numbers
set laststatus=2                                        " Always show status bar (w/ filename)
set history=1000                                        " Remember 1000 lines of command line history
set undoreload=10000                                    " Save whole buffer for undo when reloading it
set undofile                                            " Specify new location for vim7.3 persistent undo file
set undodir=~/.vim/.undo                                " Put undo history into ~/.vim/undo
set backup                                              " turn backups on
set backupdir=~/.vim/.backup                            " Where to keep backup files
set directory=~/.vim/.tmp                               " Where to keep swap files
set list listchars=tab:>-,trail:~,extends:>,precedes:<  " Show tabs as >- and trailing space as ~
set lazyredraw                                          " Don't redraw screen when executing macros/untyped cmds
set splitbelow splitright                               " Use sane window splitting. To right and below
set autoread                                            " Automatically read file when changed outside vim
set title                                               " Title of window set to value of 'titlestring'
set mouse=a                                             " Use mouse everywhere
set noerrorbells                                        " Don't make noise
set clipboard+=unnamed                                  " Put contents of unnamed register in system clipboard
set foldmethod=syntax                                   " Syntax highlighting items specify folds

" }}}
" Wildmenu Completion ----------------------------------------------------- {{{
set wildmenu                                            " Enhanced cmd line completion. show possible autocomplete matches
set wildmode=full                                       " Complete first full match, next match, etc.
set wildignore+=*.git                                   " Don't show version control in autocomplete
set wildignore+=*.jpg,*.jpeg,*.png,*.gif                " Don't show image binaries

" }}}
" Tabs, spacing, wrapping ------------------------------------------------- {{{
set tabstop=2                                           " Tabs count for 2 spaces
set shiftwidth=2                                        " Use 2 spaces for each step of autoindent
set softtabstop=2                                       " Tabs count for 2 spaces in edit mode
set expandtab                                           " Expand tabs to spaces
set nowrap                                              " Word wrapping off
set textwidth=80                                        " Break line after 80 characters (on whitespace only)

" }}}
" Colorscheme ------------------------------------------------------------- {{{
syntax on                                               " Syntax highlighting on
set background=dark                                     " Changes highlighting to look better on dark bg
colorscheme desert

" }}}
" Search and Movement ----------------------------------------------------- {{{
set ignorecase                                          " Ignore case in searches...
set smartcase                                           " ...unless caps explicitly specified
set showmatch                                           " Show matching brackets
set incsearch                                           " Jump to search results as they're typed
set hlsearch                                            " Highlight all search matches
set gdefault                                            " Make global flag default when searching
set scrolloff=5                                         " Keep 5 lines of context at the top/bottom
set sidescrolloff=5                                     " Keep 5 lines of context at the sides
set virtualedit+=block                                  " Allow cursor to move outside char boundaries (in visual block)

" }}}
" Misc settings/mappings -------------------------------------------------- {{{

" Resize vim windows when terminal window is resized
au VimResized * exe "normal! \<C-W>="

" Change leader key to , (instead of \ by default)
let mapleader = ","

map <F2> :NERDTreeToggle<cr>

" 'jj' exits insert mode
inoremap jj <ESC>
cnoremap jj <ESC>

" H jumps to first non whitespace char on line, L to last
noremap H ^
noremap L g_

" <leader><space> clears all highlighting
nnoremap <leader><space> :nohlsearch<cr>

" Use <leader>w to remove all trailing spaces
"   Searches for any number of spaces (\s\+$) and replaces it with nothing (//)
"   The search term still resides in the '/' buffer, so then we clear it ('')
nnoremap <leader>w :%s/\s\+$//g<cr>:let @/=''<cr>

" Use <leader>rt to retab the file with tabstop=8
"   Sets tab width to 8, and then converts all tabs to spaces
nnoremap <leader>rt :set ts=8<cr>:%retab<cr>

" Map arrow keys to window resizing
if bufwinnr(1)
  map <Up> <C-W>-
  map <Down> <C-W>+
  map <Left> <C-W><
  map <Right> <C-W>>
endif

" Useful for when 'wrap' is set. Instead of moving to the real next line,
"  j (or k) moves down (or up) to the next *row* of text
nnoremap j gj
nnoremap k gk