.vimrc

set nocp

if empty($VIMHOME)
  let $VIMHOME = $HOME. "/.vim"
endif

if empty($MYVIMRC)
  let $MYVIMRC = expand('<sfile>:p')
endif

let &runtimepath = $VIMHOME . "," . &runtimepath

if empty(glob("$VIMHOME/autoload/plug.vim"))
  silent !curl -fLo $VIMHOME/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin("$VIMHOME/plugged")
    "Highlight trailing spaces
    Plug 'ntpeters/vim-better-whitespace'
    " Visual file tree
    Plug 'scrooloose/nerdtree'
    " Collection of color schemes
    Plug 'flazz/vim-colorschemes'
    " Status/tabline
    Plug 'vim-airline/vim-airline'
    " Syntax checking
    Plug 'scrooloose/syntastic'
    " Full path fuzzy file, buffer, mru, tag, ... finder for Vim
    Plug 'ctrlpvim/ctrlp.vim'
    " Perl syntax and helpers
    Plug 'vim-perl/vim-perl', { 'for': 'perl', 'do': 'make clean carp dancer highlight-all-pragmas moose test-more try-tiny' }
    " JavaScript syntax and helpers
    Plug 'pangloss/vim-javascript'
    " Vue syntax
    Plug 'posva/vim-vue'
    " JSON syntax
    Plug 'leshill/vim-json'
call plug#end()

" Enforcing UTF-8 (some machines may not be properly configured) to display
" airline characters
set encoding=utf-8

" Default colorscheme
:silent! colorscheme gruvbox
:silent! set background=dark

" Use filetype detection and file-based automatic indenting
filetype plugin indent on
syntax enable
autocmd Filetype html setlocal ts=2 sts=2 sw=2
autocmd Filetype ruby setlocal ts=2 sts=2 sw=2
autocmd Filetype javascript setlocal ts=2 sts=2 sw=2
autocmd Filetype perl setlocal ts=4 sts=4 sw=4

set tabstop=2     " The width of a TAB is set to 2.
                  " Still it is a \t. It is just that
                  " Vim will interpret it to be having
                  " a width of 4
set shiftwidth=2  " Indents will have a width of 2
set softtabstop=2 " Sets the number of columns for a TAB
set expandtab     " Expand TABs to spaces

set ic            " Ignore case in search patterns
set scs           " Smart search (override 'ic' when pattern has uppers)

set nobackup      " No backup (~) files
set noswapfile    " No swap (.swp) files

set nonumber      " Don't display number lines by default
set laststatus=2  " Ensure Airline is displayed

" Line marker at col 80
set colorcolumn=80

" Recommended synctastic settings
set statusline+=%#warningmsg#
set statusline+=%{exists('g:loaded_syntastic_plugin')?SyntasticStatuslineFlag():''}
set statusline+=%*

let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

" Show/hide line numbers
nnoremap <silent> <C-n> :set invnumber<CR>

" Show/hide NERDTree
nnoremap <silent> <C-t> :NERDTreeToggle<CR>
" Locate current file in NERdTree
nnoremap <silent> ,t :NERDTreeFind<CR>

" Switching between windows in an easier way
map <Tab> <C-W><C-W>
map <C-K> <C-W>k
map <C-J> <C-W>j
map <C-H> <C-W>h
map <C-L> <C-W>l

" pressing < or > will let you indent/unident selected lines
vnoremap < <gv
vnoremap > >gv
nnoremap > >i{
nnoremap < <i{
nnoremap = =i{

" Common typos.
command! Qa qa
command! Q q
command! W w
command! Wq wq

" Include overrides if the file exists
let $OVERRIDE_FILE = $VIMHOME . '/vimrc.override'
if filereadable($OVERRIDE_FILE)
  source $OVERRIDE_FILE
endif