if !has('autocmd')
    finish
endif

filetype plugin indent on

augroup InvisibleCharsHighlight
    au!

    autocmd ColorScheme * :call ResetColors()

    function! ResetColors()
        "Invisible character colors
        highlight NonText guifg=#4a4a59
        highlight SpecialKey guifg=#4a4a59
    endfun
augroup END

augroup InsertTimer
    au!
    "Autoexit to normal mode after 15 seconds of inactivity
    autocmd CursorHoldI * stopinsert
    autocmd InsertEnter * let updaterestore=&updatetime | set updatetime=15000
    autocmd InsertLeave * let &updatetime=updaterestore
augroup END

augroup vimrc
    "Automatically reload VIMRC file after saving
    au!
    autocmd bufwritepost $MYVIMRC source $MYVIMRC
    if (exists('g:loaded_airline') && g:loaded_airline)
        autocmd bufwritepost $MYVIMRC AirlineRefresh
    endif
augroup END

augroup diffmode
    au!
    " Mappings for diff mode
    autocmd filterwritepre * if &diff | map <leader>{ :diffget LOCAL<cr>| endif
    autocmd filterwritepre * if &diff | map <leader>\| :diffget BASE<cr>| endif
    autocmd filterwritepre * if &diff | map <leader>} :diffget REMOTE<cr>| endif
augroup END

augroup Dockerfile
    au!
    au BufNewFile,BufRead *.dockerfile   setf dockerfile
augroup END

augroup Signs
    autocmd BufEnter * sign define dummy
    autocmd BufEnter * execute 'sign place 9999 line=1 name=dummy buffer=' . bufnr('')
augroup end