My .vimrc

.vimrc

" This vimrc is based in the book Mastering Vim
"
" Arthur Scardua 2019

"Set the leader key to a comma.
let mapleader=','

syntax on                  " Enable syntax highlighting.
filetype plugin indent on  " Enable file type based indentation.

set autoindent             " Respect indentation when starting a new line.
set expandtab              " Expand tabs to spaces. Essential in Python.
set tabstop=4              " Number of spaces tab is counted for.
set shiftwidth=4           " Number of spaces to use for autoindent.

set backspace=2            " Fix backspace behavior on most terminals.

colorscheme murphy         " Change a colorscheme.

packloadall                " Load all plugins.
silent! helptags ALL       " Load help files for all plugins.

" Set up persistent undo across all files and set swapdir
set undofile
if !isdirectory($HOME . "/.vim/undodir")
    call mkdir($HOME . "/.vim/undodir","p")
endif
if !isdirectory($HOME . "/.vim/swap")
    call mkdir($HOME . "/.vim/swap","p")
endif
set undodir=$HOME/.vim/undodir
set directory=$HOME/.vim/swap

" Fast split navigation with <Ctrl> + hjkl.

noremap <c-h> <c-w><c-h>
noremap <c-j> <c-w><c-j>
noremap <c-k> <c-w><c-k>
noremap <c-l> <c-w><c-l>

command! Bd :bp | :sp | :bn | :bd " Close buffer without clossing window.

set foldmethod=indent       " Fold line with indentation.
set foldcolumn=3            " Fold indication.
" open all folds in buffer time.
" autocmd BufRead * normal zR 

set wildmenu                    " Enable enhanced tab autocomplete.
set wildmode=list:longest,full  " Complete till longest string,
                                " then open the wildmenu.

"nnoremap <C-b> :CtrlPBuffer<cr> " Map CtrlP buffer mode to Ctrl + B.

set nu  " Number of lines

set hlsearch  " Set highlight for searching

set clipboard=unnamedplus   " Copy into system (+) register.

" Install the vim-plug if not installed
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
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" Manage plugins with vim-plug
call plug#begin()
Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' }
Plug 'christoomey/vim-tmux-navigator'
Plug 'tpope/vim-vinegar'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'mileszs/ack.vim'
Plug 'easymotion/vim-easymotion'
Plug 'junegunn/vim-plug'
Plug 'junegunn/goyo.vim'
Plug 'junegunn/limelight.vim'
Plug 'sjl/gundo.vim'
let g:plug_timeout = 300  " Increase vim-plug timeout for YouCompleteMe.
Plug 'Valloric/YouCompleteMe', { 'do': './install.py' }
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-dispatch'
Plug 'vim-syntastic/syntastic'
call plug#end()

" Use ; in addition to : to type commands.
noremap ; :

" Saves using <Ctrl-u>.
noremap <c-u> :w<cr>

"Some mapping
"Search using space
nnoremap <space> /
"Exits the insert mode by pressing jk 
inoremap jk <esc> 
"Saving by pressing <leader>w and quit by pressing <leader>q
" Save a file with leader-w.
nnoremap <leader>w :w<cr>
" Save and quit a file with leader-q.
nnoremap <leader>q :wq<cr>
"Forcing me to use the mapping
inoremap <esc> <nop>
map <up> <nop>
map <down> <nop>
map <right> <nop>
map <left> <nop>
" Open and closing braces
inoremap ( ()<esc>i


" Open NERDTree
nnoremap <leader>n :NERDTreeToggle<cr>
" set CtrlP working directory to a repository root (with a
" fallback to current directory).
let g:ctrlp_working_path_mode = 'ra'


nnoremap <leader>] :YcmCompleter GoTo<cr>

set tags=tags;  " Look for a tagas file recursively in
                " parent directories.

" Regenerate tags when saving Python files.
autocmd BufWritePost *.py silent! !ctags -R &

" Fix Gundo python issue
if has('python3')
    let g:gundo_prefer_python3 = 1
endif

noremap <f5> :GundoToggle<cr> " Map Gundo to <f5>.
nnoremap <leader>g :Goyo<cr>   " Map Goyo to ,g. 

nnoremap <leader><leader>d :diffu<cr> " Update with diffupdate.

"autocmd filetype python setlocal makeprg=pylint\ --reports=n\ --msg-template=\"{path}:{line}:\ {msg_id}\ {symbol},\ {obj}\ {msg}\"\ %:p
"autocmd filetype python setlocal errorformat=%f:%l:\ %m

set statusline+=%#warningmsg#
set statusline+=%{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

let g:syntastic_python_pylint_exe = 'pylint'