set nocompatible              " be iMproved, required
filetype off                  " required

let vundle_dir="~/.vim/bundle/Vundle.vim"
if filereadable(expand(vundle_dir) . "/README.md")
    " set the runtime path to include Vundle and initialize
    let &rtp .= "," . vundle_dir
    call vundle#begin()

    Plugin 'VundleVim/Vundle.vim' " let Vundle manage Vundle, required

    Plugin 'scrooloose/nerdtree'
    Plugin 'c.vim'
    Plugin 'jeetsukumaran/vim-buffergator'
    Plugin 'ericcurtin/CurtineIncSw.vim'
    Plugin 'tpope/vim-fugitive'
    Plugin 'tpope/vim-surround'
    Plugin 'ctrlpvim/ctrlp.vim'
    " Plugin 'shougo/neocomplete'
    Plugin 'godlygeek/tabular'

    call vundle#end()            " required
else
    let vundle_repo="https://github.com/VundleVim/Vundle.vim.git"
    echo "Vundle not installed, type :CloneVundle to clone the vundle repo"
    command CloneVundle execute "!git clone " . vundle_repo . " " . vundle_dir
endif

filetype plugin indent on    " required
syntax on

set tabstop=4 " show existing tab with 4 spaces width
set shiftwidth=4 " when indenting with '>', use 4 spaces width
set expandtab " On pressing tab, insert 4 spaces

set mouse=a
set hlsearch

" Hybrid line numbers on active buffer
set nu rnu
augroup numbertoggle
  autocmd!
  autocmd BufEnter,FocusGained,InsertLeave * set rnu 
  autocmd BufLeave,FocusLost,InsertEnter   * set nornu
augroup END

" define upper case versions of :w and :q
command! -bang -range=% -complete=file -nargs=* W <line1>,<line2>write<bang> <args>
command! -bang Q quit<bang>

" fugitive.vim looks for tags in .git
" set tags +=~/tags " Recursively move upwards in tree, searching in subfolders for tags file

if exists(":NERDTree")
    " Open NERDTree if no file specified
    autocmd StdinReadPre * let s:std_in=1
    autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
endif

" CtrlP
let g:ctrlp_working_path_mode = 'ra'

" Find project root
let git_dir_location=finddir('.git', ';')
let git_root_location=fnamemodify(git_dir_location, ':h')

" Locate cscope file
if has("cscope")
    set csto=0 " Search cscope before ctags
    set cst " <C-]> searches cscope also
    set nocsverb " Not verbose when adding database
    set cspc=3 " Display the last 3 components of file path
    "add any database in current dir
    if filereadable("cscope.out")
        cs add cscope.out
    "else search cscope.out in git folder 
    else
       let cscope_file=findfile("cscope.out", git_dir_location)
        if !empty(cscope_file) && filereadable(cscope_file)
            exe "cs add" cscope_file git_root_location
        endif      
     endif
endif

command! Csc cscope find c <cword>
" Regen cscope
"   sh ~/bin/gen_cscope.sh . .git/cscope.out
"
" Key binds
"

nmap <F2> :NERDTreeToggle<CR>
nmap <F3> :NERDTreeFind<CR>
map <F5> :call CurtineIncSw()<CR>
nmap <F8> :silent !/home/efjtjkb/bin/comp<enter>
" Remap <F9> (c-vim uses this)
"nmap <F9> :silent !/home/efjtjkb/bin/run<enter>
autocmd VimEnter * noremap <F9> :silent !/home/efjtjkb/bin/run<enter>
nmap <F10> :silent !/home/efjtjkb/bin/run old<enter>