" Install vim-plug if not found
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
endif

" Run PlugInstall if there are missing plugins
autocmd VimEnter * if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
  \| PlugInstall --sync | source $MYVIMRC
\| endif

call plug#begin()

Plug 'preservim/nerdtree'
Plug 'vim-airline/vim-airline'
Plug 'tpope/vim-fugitive'
Plug 'xuyuanp/nerdtree-git-plugin'

call plug#end()

nnoremap <C-t> :tabnew<CR>
nnoremap <C-r> :tabclose<CR>
nnoremap <C-Left> :tabprevious<CR>
nnoremap <C-Right> :tabnext<CR>
nnoremap <C-Up> <C-w>W
nnoremap <C-Down> <C-w>w
nnoremap <M-Up> <C-w>5+
nnoremap <M-Down> <C-w>5-
nnoremap <M-Left> <C-w>5<
nnoremap <M-Right> <C-w>5>

nnoremap <C-e> :vsplit<CR>
nnoremap <C-q> :q<CR>

autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif

" nnoremap <C-n> :NERDTree<CR>
nnoremap <C-y> :NERDTreeFocus<CR>

set tabstop=2
set shiftwidth=2
set softtabstop=2
set expandtab