" set the directory where my vimrc git project is located
source ~/.vimrc_local

" it is a big fat key, after all
" N.B. should come before plugins and plugin specific settings
let mapleader = "\<Space>"

" source aux files also under git control
let oldwd = getcwd()
exec "cd " . vimrc_git
source vundle.vim
source airline.vim
source syntastic.vim
source unite.vim
source mapping.vim
source jsonnet.vim
exec "cd " . oldwd

" turn on file type plugins
filetype plugin indent on
" turn off compatibility mode
set nocompatible
" turn on syntax support
syntax on
" set up a line number on the current line but relative above and below to help
" with motion commands
set number
set relativenumber

" even with the nice space/tab autodetect, prefer 4 for tab stops
" but let file type specifics override (for instance a setting of 2 for markdown
set tabstop=4
" default to folding on syntax
set foldmethod=syntax
" set a readable width
set textwidth=80
" make white space visible, where that matters
set list!
" except for help
autocmd FileType help setlocal nolist
" set up folding preferences
set fde=1
" vim's spelling is smart enough for code, to only check comments
set spell
" add a hint for long lines
set colorcolumn=120
" default to expanding tabs, I'm not insane
set expandtab

" change buffer behaviors to no longer require changes when hiding a buffer
set hidden

" look for vimrc in the current director as well as $MYVIMRC
set exrc
" make looking for local changes secure
set secure
" more secure
set modelines=0
" preserve some context
set scrolloff=3
" make the cursor a bit easier to follows
set cursorline
" make search work a bit more like tab completion in bash
set incsearch
set wildmode=longest:full
set wildmenu
" line break handling
set linebreak
set showbreak=+
" always on status line
set laststatus=2

" let backspace work more naturally
set backspace=start,indent,eol
" favor modern encoding
set enc=utf-8
" more readable config for list mode
set listchars+=nbsp:¬,tab:»·,trail:·
set listchars-=eol:$
" smarter handling of case during search
set ignorecase
set smartcase
" disable outdated data loss protections
set nobackup
set noswapfile
" make pastemode more accessible
set pastetoggle=<F2>
" save when moving away
au FocusLost * :wa

" open is OS X only, the closest equiv in line, xdg-open, doesn't allow an
" argument for speciying a particular app
if has('gui_macvim')
    """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
    " Open current file with app given
    """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
    function! s:OpenWith(appname)
        noautocmd silent execute "!open -a \"" . a:appname . "\" " . expand("%:p")
        if v:shell_error
            echohl Error
            echon "Problem opening the file."
            echohl Normal
        endif
    endfunction

    command! -bar -nargs=1 OpenWith call s:OpenWith(<f-args>)
endif

if has("gui_macvim")
    let narrows = ['text', 'markdown']
    " from the help, recommended for widest possible
    " for text, narrow width to make side to side scanning easier
    autocmd BufEnter * if index(narrows, &ft) >= 0 | set columns=120 | else | set columns=9999 | endif
endif

" make sure to set TERM to xterm-256color in terminal program or app
colorscheme slate
" set this here for terminal sessions, also set in gvimrc for graphical sessions
hi CursorLine guibg=Grey10