vimrc

" General settings
set nocompatible " Don't maintain compatibility with vi

set backspace=indent,eol,start
set noswapfile
set ruler " Show cursor position
set title " Show file title at the top of terminal window

" Display relative line numbers, with absolute number for current line
set number
set numberwidth=5
set relativenumber

" Search settings
set hlsearch  " Highlight all matches. To turn it off, use :noh
set incsearch " When searching, shows patterns typed so far

" Tab settings
set shiftround
set shiftwidth=2
set tabstop=2
" Always use spaces when inserting a <Tab>, so formatting
" won't be messed up if tabstop is changed
set expandtab

" Display extra whitespace
set list listchars=tab:»·,trail:·,nbsp:·

syntax enable
filetype plugin indent on

set textwidth=80         " Break line automatically when reach 81 column
set colorcolumn=+1       " Make 81 column visible
hi ColorColumn ctermbg=5 " Set column color

" Mappings
let mapleader = "\<Space>" " Use space key as leader.

nmap <leader>vr :vsp $HOME/.vimrc<cr> " Split edit vimrc vertically.
nmap <leader>so :source $MYVIMRC<cr>

" Move between wrapped lines without skipping it
nmap j gj
nmap k gk

" Swap 0 and ˆ in order to make easier to move to the first non-whitespace
" character
nnoremap 0 ^
nnoremap ^ 0

" Enable use jk (and kj) to escape from insert mode
imap jk <esc>
imap kj <esc>

" 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

" automatically rebalance windows on resize
autocmd VimResized * :wincmd =

nnoremap <leader>- :wincmd _<cr>:wincmd \|<cr>  " Zoom in a vim pane
nnoremap <leader>= :wincmd =<cr>                " Zoom out a vim pane

map <leader>i mmgg=G'm " Indent whole file and return cursor to original position

" Specify plugins directory
call plug#begin('~/.vim/plugged')

Plug 'christoomey/vim-tmux-navigator'
Plug 'jgdavey/tslime.vim'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': '.install --all' }
Plug 'junegunn/fzf.vim'
Plug 'thoughtbot/vim-rspec'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-rails'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-fugitive'

call plug#end()

set background=dark
colorscheme desert

" RSpec.vim mappings
map <Leader>t :call RunCurrentSpecFile()<CR>
map <Leader>s :call RunNearestSpec()<CR>
map <Leader>l :call RunLastSpec()<CR>
map <Leader>a :call RunAllSpecs()<CR>

" tslime.vim open vim-rspec results in another tmux pane
let g:rspec_command = 'call Send_to_Tmux("bundle exec rspec {spec}\n")'

" FZF settings
nnoremap <C-p> :Files<cr>
let g:fzf_files_options =
  \ '--reverse ' .
  \ '--preview "(coderay {} || cat {}) 2> /dev/null | head -'.&lines.'"'

" Use ag for listing files. Way faster and no useless files.
let $FZF_DEFAULT_COMMAND = 'ag -g "" --hidden'