Simplified, functional, vimrc file for servers

vimrc

" Simplified vimrc
" https://gist.github.com/kiasaki/6f27975306a45c169c79

" #############################
" PLUGINS
" #############################
call plug#begin()
Plug 'airblade/vim-gitgutter'
Plug 'bling/vim-airline'
Plug 'edkolev/tmuxline.vim'
Plug 'editorconfig/editorconfig-vim'
Plug 'scrooloose/nerdtree'
Plug 'ervandew/supertab'
Plug 'kien/ctrlp.vim'
Plug 'bufexplorer.zip'
Plug 'tpope/vim-fugitive'
Plug 'ervandew/ag'

" Themes
Plug 'Pychimp/vim-luna'

" Languages
Plug 'pangloss/vim-javascript'
Plug 'StanAngeloff/php.vim'
Plug 'elzr/vim-json'
Plug 'digitaltoad/vim-jade'
Plug 'wavded/vim-stylus'
Plug 'Glench/Vim-Jinja2-Syntax'
Plug 'saltstack/salt-vim'
call plug#end()

" #############################
" BEHAVIORS
" #############################
syntax on
set hidden
set nocompatible            " no vi support
set ttyfast                 " optimize for fast terminal connections
set encoding=utf-8 nobomb   " UTF-8 encoding
set binary                  " no empty line at eof
set noeol                   " ^
set exrc                    " per directory .vimrc
set secure                  " ^ in secure mode
set noerrorbells            " no error bells
set nostartofline           " no sol while moving
set shortmess=atI           " don’t show the intro at startup

set wildmenu                " shell style completion
set gdefault                " add g flag to search & replace by default
set ignorecase              " ignore searches case
set incsearch               " dynamicly search

set tabstop=2               " Tab by two
set shiftwidth=2            " ^
set expandtab               " ^ (spaces)

set scroll=8                " Ctrl+U Ctrl+D speed
set scrolloff=6             " scroll page when at 6 line of end/top

set splitbelow              " More natural window splits
set splitright

" folding settings
set foldmethod=indent       " fold based on indent
set foldnestmax=2           " deepest fold is 2 levels
set nofoldenable            " dont fold by default
set foldlevel=1             " this is just what i use

" Centralize storage
filetype plugin indent on
set backupdir=~/.vim/backups
set directory=~/.vim/swaps
if exists("&undodir")
  set undodir=~/.vim/undo
endif

" Automatic commands
if has("autocmd")
  " Resize splits when the window is resized
  autocmd VimResized * :wincmd =
  " Enable file type detection
  filetype on
  " Treat .json files as .js
  autocmd BufNewFile,BufRead *.json setfiletype json syntax=javascript
  " Set ft to markdown for all known markdown file endings
  autocmd BufNewFile,BufRead *.{md,markdown,mdown,mkd,mkdn,txt} setfiletype markdown syntax=markdown
endif


" #############################
" User Interface
" #############################
set t_Co=256                      " Use ALL the colors please
colorscheme luna-term             " Color theme
set modeline                      " Tell vim to parse those modelines
set modelines=4                   " Modelines default to 0, activate it
set laststatus=2                  " always have status shown
set number                        " line numbers
set cursorline                    " hightlight current line
set lcs=tab:˚\ ,trail:·,nbsp:_    " Show invisibles
set hlsearch                      " highlight searches
set incsearch                     " highlight first match
set ruler                         " show the cursor position
set showcmd                       " show the (partial) command as it’s being typed
set showmode                      " show the current mode
set title                         " Show the filename in the window titlebar
set list                          " show whitespace

" Highlight line 80 & 120+
highlight ColorColumn ctermbg=235 guibg=#2c2d27
let &colorcolumn="80,".join(range(120,999),",")

" #############################
" Commands
" #############################
let mapleader=" " " have a better leader
set mouse=a " mouse in all modes, for those moments...
set backspace=indent,eol,start " allow bckspace in insert
set esckeys " breaks esc in sequences in insert mode but removes timeout
set timeoutlen=1000 ttimeoutlen=0

noremap <leader>W :w !sudo tee % > /dev/null<CR> " save a file as root
noremap <leader>be :BufExplorerHorizontalSplit<CR>
nnoremap <leader>t :CtrlP<enter>

nnoremap <C-J> <C-W><C-J> " Map Ctrl+hjkl to move around splits
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

" Tabs / Frames config
set showtabline=2
nnoremap <C-y> :tab split<CR>
nnoremap <C-i> :tabp<CR>
nnoremap <C-o> :tabn<CR>

" plugin: vim-fugitive
nmap <leader>gs :Gstatus<CR>
nmap <leader>gc :Gcommit<CR>
nmap <leader>gp :Git push<CR>

" plugin: bling/vim-airline
let g:airline_left_sep = ''
let g:airline_right_sep = ''
let g:airline#extensions#hunks#non_zero_only = 1
let g:airline#extensions#whitespace#enabled = 0
let g:airline#extensions#tabline#enabled = 1
let g:airline_theme='luna'
let g:airline_theme_patch_func = 'AirlineThemePatch'
function! AirlineThemePatch(palette)
  if g:airline_theme == 'luna'
    for colors in values(a:palette.inactive)
      let colors[2] = 254 " text color
      let colors[3] = 235 " bg
    endfor
  endif
endfunction

" plugin: tmuxline
let g:tmuxline_separators = {
    \ 'left' : '',
    \ 'left_alt': '>',
    \ 'right' : '',
    \ 'right_alt' : '<',
    \ 'space' : ' '}

" plugin: nerdtree (hide those ugly __pycache__)
noremap <leader>nt :NERDTreeToggle<CR>
let NERDTreeIgnore=['\.DS_Store$', '\.vim$', '__pycache__', '.git', 'node_modules']

" plugin: bufexplorer
let g:bufExplorerShowRelativePath=1