vimrc

" Leader
let mapleader = ","

colorscheme Tomorrow-Night-Eighties

set timeoutlen=1000 ttimeoutlen=0 " Make ESC more responsive

set backspace=2   " Backspace deletes like most programs in insert mode
set nobackup
set nowritebackup
set noswapfile    " http://robots.thoughtbot.com/post/18739402579/global-gitignore#comment-458413287
set history=50
set ruler         " show the cursor position all the time
set showcmd       " display incomplete commands
set incsearch     " do incremental searching
set laststatus=2  " Always display the status line
set autowrite     " Automatically :write before running commands
set visualbell
set hidden
set shell=zsh
set clipboard=unnamed

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if (&t_Co > 2 || has("gui_running")) && !exists("syntax_on")
  syntax on
endif

if filereadable(expand("~/.vimrc.bundles"))
  source ~/.vimrc.bundles
endif

filetype plugin indent on

augroup vimrcEx
  autocmd!

  " When editing a file, always jump to the last known cursor position.
  " Don't do it for commit messages, when the position is invalid, or when
  " inside an event handler (happens when dropping a file on gvim).
  autocmd BufReadPost *
        \ if &ft != 'gitcommit' && line("'\"") > 0 && line("'\"") <= line("$") |
        \   exe "normal g`\"" |
        \ endif

  " Set syntax highlighting for specific file types
  autocmd BufRead,BufNewFile *.md set filetype=markdown
  autocmd BufRead,BufNewFile .{eslint}rc set filetype=json
augroup END

" Softtabs, 2 spaces
set tabstop=2
set shiftwidth=2
set shiftround
set expandtab

" Disable folding
set nofoldenable

" Display extra whitespace
set listchars=tab:\ \ ,eol:\ ,trail:·

" Use one space, not two, after punctuation.
set nojoinspaces

" Use The Silver Searcher https://github.com/ggreer/the_silver_searcher
if executable('ag')
  " Use Ag over Grep
  set grepprg=ag\ --nogroup\ --nocolor

  " Use ag in CtrlP for listing files. Lightning fast and respects .gitignore
  let g:ctrlp_user_command = 'ag -Q -l --nocolor --hidden -g "" %s'

  " ag is fast enough that CtrlP doesn't need to cache
  let g:ctrlp_use_caching = 0

  if !exists(":Ag")
    command -nargs=+ -complete=file -bar Ag silent! grep! <args>|cwindow|redraw!
    nnoremap \ :Ag<SPACE>
  endif
endif

" Make it obvious where 80 characters is
set textwidth=80

" Show line numbers
set number
set numberwidth=5

" Toggle line numbers (useful when doing system copy)
:nmap <C-N><C-N> :set invnumber<CR>

" Tab completion
" will insert tab at beginning of line,
" will use completion if not at beginning
set wildmode=list:longest,list:full
function! InsertTabWrapper()
  let col = col('.') - 1
  if !col || getline('.')[col - 1] !~ '\k'
    return "\<tab>"
  else
    return "\<c-p>"
  endif
endfunction
inoremap <Tab> <c-r>=InsertTabWrapper()<cr>
inoremap <S-Tab> <c-n>

" Get off my lawn
nnoremap <Left> :echoe "Use h"<CR>
nnoremap <Right> :echoe "Use l"<CR>
nnoremap <Up> :echoe "Use k"<CR>
nnoremap <Down> :echoe "Use j"<CR>

" vim tab navigation
nnoremap th :tabfirst<CR>
nnoremap tj :tabprev<CR>
nnoremap tk :tabnext<CR>
nnoremap tl :tablast<CR>
nnoremap tc :tabclose<CR>
nnoremap tn :tabnew<CR>

" reload pane
nnoremap <Leader>e :e!<CR>

" vim-rspec mappings
nnoremap <Leader>t :call RunCurrentSpecFile()<CR>
nnoremap <Leader>s :call RunNearestSpec()<CR>
nnoremap <Leader>l :call RunLastSpec()<CR>

" Run commands that require an interactive shell
nnoremap <Leader>r :RunInInteractiveShell<space>

" Treat <li> and <p> tags like the block tags they are
let g:html_indent_tags = 'li\|p'

" Open new split panes to right and bottom, which feels more natural
set splitbelow
set splitright

" simple vertical splits
map <leader>v <C-w>v
map <leader>s <C-w>s

" Quicker window movement
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-h> <C-w>h
nnoremap <C-l> <C-w>l

" Workaround for broken left navigation
nnoremap <silent> <BS> :TmuxNavigateLeft<cr>

" configure syntastic syntax checking to check on open as well as save
let g:syntastic_check_on_open=1
let g:syntastic_html_tidy_ignore_errors=[" proprietary attribute \"ng-"]
let g:syntastic_eruby_ruby_quiet_messages =
      \ {"regex": "possibly useless use of a variable in void context"}
let g:syntastic_javascript_checkers = ['eslint']

" Better search behavior
set hlsearch
set incsearch
set ignorecase
set smartcase

" Unhighlight search results
map <Leader><space> :nohl<cr>

" Don't scroll off the edge of the page
set scrolloff=5

" This uses Ack.vim to search for the word under the cursor
nnoremap <leader><bs> :Ag! '\b<c-r><c-w>\b'<cr>

" vp doesn't replace paste buffer
function! RestoreRegister()
  let @" = s:restore_reg
  return ''
endfunction
function! s:Repl()
  let s:restore_reg = @"
  return "p@=RestoreRegister()\<cr>"
endfunction
vmap <silent> <expr> p <sid>Repl()

" toggle quickfix with <Leader> c
let g:toggle_list_no_mappings=1
nmap <script> <silent> <Leader>c :call ToggleQuickfixList()<CR>

" close windows with leader + q
nnoremap <Leader>q :q<CR>

" force close with leader + Q
nnoremap <Leader>Q :q!<CR>

" Save with leader + w
nnoremap <Leader>w :w<CR>

" Save and exit with leader + x
nnoremap <Leader>x :x<CR>

" format JSON with jq
nnoremap <Leader>j :%!cat % <bar> jq '.'<CR>

" Suspend with leader + z
nnoremap <Leader>z :suspend<CR>

" Tests mapping
nmap <silent> <leader>T :TestNearest<CR>
nmap <silent> <leader>t :TestFile<CR>
nmap <silent> <leader>a :TestSuite<CR>
nmap <silent> <leader>l :TestLast<CR>
nmap <silent> <leader>g :TestVisit<CR>

" make test commands execute using dispatch.vim
let test#strategy = "dispatch"
let g:test#preserve_screen = 1

command! -nargs=0 -bar Qargs execute 'args' QuickfixFilenames()
function! QuickfixFilenames()
  " Building a hash ensures we get each buffer only once
  let buffer_numbers = {}
  for quickfix_item in getqflist()
    let buffer_numbers[quickfix_item['bufnr']] = bufname(quickfix_item['bufnr'])
  endfor
  return join(map(values(buffer_numbers), 'fnameescape(v:val)'))
endfunction

" YouCompleteMe and UltiSnips compatibility, with the helper of supertab
" (via http://stackoverflow.com/a/22253548/1626737)
let g:SuperTabDefaultCompletionType    = '<C-n>'
let g:SuperTabCrMapping                = 0
let g:UltiSnipsExpandTrigger           = '<tab>'
let g:UltiSnipsJumpForwardTrigger      = '<tab>'
let g:UltiSnipsJumpBackwardTrigger     = '<s-tab>'
let g:ycm_key_list_select_completion   = ['<C-j>', '<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-k>', '<C-p>', '<Up>']

" Set spellfile to location that is guaranteed to exist, can be symlinked to
" Dropbox or kept in Git and managed outside of thoughtbot/dotfiles using rcm.
set spellfile=$HOME/.vim-spell-en.utf-8.add

" Autocomplete with dictionary words when spell check is on
set complete+=kspell

" Always use vertical diffs
set diffopt+=vertical

" Local config
if filereadable($HOME . "/.vimrc.local")
  source ~/.vimrc.local
endif