paridin/install_custom_vim_osx.md

## install_custom_vim_osx.md

      
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    Installing a custom vim version

with support to python 3 and, a beautiful style on iterm2

I hope it helps you to pimp your vim, I try to make this guide as simple as possible, and you will need take a little effort to install vundle, this plugin is used to organize your plugins and its a default manager in vim awesome
font used in this custom


Terminus for powerline, You need
Download
and Double Click and install in your Font Book

Pre requirements


Install Vundle Read Instructions

At the end we have installed the following plugins


Lightline
NERDTree
jedi-vim
and more ... (full list at bottom of the .vimrc file)

open your vim ~/.vimrc and update the file with my setting of .vimrc
set nocompatible              " be iMproved, required
filetype on                  " required
set background=dark
syntax on
set number
set noshowmode

" Poweline setup
set guifont=Terminus\ for\ Powerline:h14
let g:Powerline_symbols = 'fancy'
set encoding=utf-8
set t_Co=256
set term=xterm-256color
set termencoding=utf-8

if has("gui_running")
   let s:uname = system("uname")
   if s:uname == "Darwin\n"
       set guifont=Terminus\ for\ Powerline:h14
   endif
endif

" Configuration
set encoding=utf-8
scriptencoding utf-8


" NerdTree
let g:nerdtree_tabs_open_on_gui_startup=1
let g:nerdtree_tabs_open_on_console_startup=1

map <F5> :NERDTreeToggle<cr>
map <S-Up> :tabn<CR>
map <S-Down>  :tabp<CR>
map <S-Left> :NERDTreeSteppedOpen<CR>
map <S-Right> :NERDTreeSteppedClose<CR>

" ligthline
let g:lightline = {
      \ 'colorscheme': 'wombat',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ], [ 'fugitive', 'filename' ], ['ctrlpmark'] ],
      \   'right': [ [ 'syntastic', 'lineinfo' ], ['percent'], [ 'fileformat', 'fileencoding', 'filetype' ] ]
      \ },
      \ 'component':{
      \     'readonly': '%{&readonly?"⭤":""}',
      \ },
      \ 'component_function': {
      \   'fugitive': 'LightLineFugitive',
      \   'filename': 'LightLineFilename',
      \   'fileformat': 'LightLineFileformat',
      \   'filetype': 'LightLineFiletype',
      \   'fileencoding': 'LightLineFileencoding',
      \   'mode': 'LightLineMode',
      \   'ctrlpmark': 'CtrlPMark',
      \ },
      \ 'component_visible_condition': {
      \   'readonly': '(&filetype!="help"&& &readonly)',
      \   'modified': '(&filetype!="help"&&(&modified||!&modifiable))'
      \ },
      \ 'component_expand': {
      \   'syntastic': 'SyntasticStatuslineFlag',
      \ },
      \ 'component_type': {
      \   'syntastic': 'error',
      \ },
      \ 'separator': { 'left': "⮀", 'right': "⮂" },
      \ 'subseparator': { 'left': "⮁", 'right': "⮃" }
      \ }

function! LightLineModified()
  return &ft =~ 'help' ? '' : &modified ? '+' : &modifiable ? '' : '-'
endfunction

function! LightLineReadonly()
  return &ft !~? 'help' && &readonly ? '⭤' : ''
endfunction

function! LightLineFilename()
  let fname = expand('%:t')
  return fname == 'ControlP' ? g:lightline.ctrlp_item :
        \ fname == '__Tagbar__' ? g:lightline.fname :
        \ fname =~ '__Gundo\|NERD_tree' ? '' :
        \ &ft == 'vimfiler' ? vimfiler#get_status_string() :
        \ &ft == 'unite' ? unite#get_status_string() :
        \ &ft == 'vimshell' ? vimshell#get_status_string() :
        \ ('' != LightLineReadonly() ? LightLineReadonly() . ' ' : '') .
        \ ('' != fname ? fname : '[No Name]') .
        \ ('' != LightLineModified() ? ' ' . LightLineModified() : '')
endfunction

function! LightLineFugitive()
  try
    if expand('%:t') !~? 'Tagbar\|Gundo\|NERD' && &ft !~? 'vimfiler' && exists('*fugitive#head')
      let mark = '⭠ '  " edit here for cool mark
      let _ = fugitive#head()
      return strlen(_) ? mark._ : ''
    endif
  catch
  endtry
  return ''
endfunction

function! LightLineFileformat()
  return winwidth(0) > 70 ? &fileformat : ''
endfunction

function! LightLineFiletype()
  return winwidth(0) > 70 ? (strlen(&filetype) ? &filetype : 'no ft') : ''
endfunction

function! LightLineFileencoding()
  return winwidth(0) > 70 ? (strlen(&fenc) ? &fenc : &enc) : ''
endfunction

function! LightLineMode()
  let fname = expand('%:t')
  return fname == '__Tagbar__' ? 'Tagbar' :
        \ fname == 'ControlP' ? 'CtrlP' :
        \ fname == '__Gundo__' ? 'Gundo' :
        \ fname == '__Gundo_Preview__' ? 'Gundo Preview' :
        \ fname =~ 'NERD_tree' ? 'NERD_Tree' :
        \ &ft == 'unite' ? 'Unite' :
        \ &ft == 'vimfiler' ? 'VimFiler' :
        \ &ft == 'vimshell' ? 'VimShell' :
        \ winwidth(0) > 60 ? lightline#mode() : ''
endfunction

function! CtrlPMark()
  if expand('%:t') =~ 'ControlP'
    call lightline#link('iR'[g:lightline.ctrlp_regex])
    return lightline#concatenate([g:lightline.ctrlp_prev, g:lightline.ctrlp_item
          \ , g:lightline.ctrlp_next], 0)
  else
    return ''
  endif
endfunction

let g:ctrlp_status_func = {
  \ 'main': 'CtrlPStatusFunc_1',
  \ 'prog': 'CtrlPStatusFunc_2',
  \ }

function! CtrlPStatusFunc_1(focus, byfname, regex, prev, item, next, marked)
  let g:lightline.ctrlp_regex = a:regex
  let g:lightline.ctrlp_prev = a:prev
  let g:lightline.ctrlp_item = a:item
  let g:lightline.ctrlp_next = a:next
  return lightline#statusline(0)
endfunction

function! CtrlPStatusFunc_2(str)
  return lightline#statusline(0)
endfunction

let g:tagbar_status_func = 'TagbarStatusFunc'

function! TagbarStatusFunc(current, sort, fname, ...) abort
    let g:lightline.fname = a:fname
  return lightline#statusline(0)
endfunction

augroup AutoSyntastic
  autocmd!
  autocmd BufWritePost *.c,*.cpp call s:syntastic()
augroup END
function! s:syntastic()
  SyntasticCheck
  call lightline#update()
endfunction

let g:unite_force_overwrite_statusline = 0
let g:vimfiler_force_overwrite_statusline = 0
let g:vimshell_force_overwrite_statusline = 0


" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

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

" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
Plugin 'tpope/vim-fugitive'
" plugin from http://vim-scripts.org/vim/scripts.html
Plugin 'L9'
" Git plugin not hosted on GitHub
Plugin 'git://git.wincent.com/command-t.git'
" git repos on your local machine (i.e. when working on your own plugin)
" Plugin 'file:///home/gmarik/path/to/plugin'
" The sparkup vim script is in a subdirectory of this repo called vim.
" Pass the path to set the runtimepath properly.
Plugin 'rstacruz/sparkup', {'rtp': 'vim/'}
" Avoid a name conflict with L9
" Plugin 'user/L9', {'name': 'newL9'}

" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line
"
Plugin 'itchyny/lightline.vim'
Plugin 'chriskempson/base16-vim'
Plugin 'davidhalter/jedi-vim'
Plugin 'scrooloose/nerdtree'
Plugin 'scrooloose/nerdcommenter'
Plugin 'jistr/vim-nerdtree-tabs'
Plugin 'altercation/vim-colors-solarized'
Plugin 'powerline/powerline'

Plugin 'hynek/vim-python-pep8-indent'
Plugin 'mitsuhiko/vim-python-combined'
Plugin 'voithos/vim-python-syntax'
Plugin 'othree/html5.vim'
Plugin 'mustache/vim-mustache-handlebars'
Plugin 'pangloss/vim-javascript'
Plugin 'dsawardekar/ember.vim'
Plugin 'heartsentwined/vim-ember-script'
Plugin 'tpope/vim-markdown'
Plugin 'Wombat'
Plugin 'guifontpp.vim'
Plugin 'scrooloose/syntastic'
Plugin 'nathanaelkane/vim-indent-guides'
save the file :w and install the plugins :PluginInstall
Configuration for vim

mkdir ~/.vim/colors
ln $HOME/.vim/bundle/Wombat/colors/wombat.vim $HOME/.vim/colors/wombat.vim
Update bash

GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin14) to GNU bash, versión 4.3.42(1)-release (x86_64-apple-darwin14.5.0)
brew install bash
Install python 3.5

brew install python3
if you have another version of vim brew uninstall vim; brew unlink vim ; brew prune or macvim brew uninstall macvim; brew unlink macvim ; brew prune
Update vim or macvim versions to the lastest

# vim instrucctons
brew install vim --with-python3 --without-python # [issue](https://github.com/Homebrew/homebrew/issues/20327)
brew link vim

# macvim instructions
brew install macvim  --with-override-system-vim --with-unicode3 --with-python3 --without-python 
brew link macvim

Note In both cases you will need reload the session, open a new window (iTerm, Terminal, etc.)
Configure iTerm2 to use Terminus for Powerline,
First Open a new session and choose preference tab
Go to Profile -> Text -> Change Font -> Choose [Terminus for Powerline]
Note: In both cases Regular Font and Non-ASCII Font, choose the same font, I suggest uses 14px of size
If you prefer another font.
powerfont project
and tool for patching fontpatcher
The fast guide to patch a font (more details, check the projects)

mkdir -p $HOME/.local/tmp
cd $HOME/.local/tmp
git clone https://github.com/Lokaltog/vim-powerline

brew uninstall fontforge # if you install as brew install fontforge you need to uninstall and reinstall
brew update
brew install --use-gcc fontforge

patching a font fontforge -script /path/to/fontpatcher MyFontFile.ttf
In my case i will patch a font before installed, Terminus-1.ttf located on $HOME/Library/Fonts
cd $HOME/Library/Fonts
fontforge -script $HOME/.local/tmp/vim-powerline/fontpatcher/fontpatcher Terminus-1.ttf

I got Terminus-1-Powerline.ttf after running the previous command, or whatever you patch, you only need change the font in your iTerm2, or in .vimrc the variable guifont to display in macvim, remember if your font look like this Font OtherStuff for Powerline
So the variable guifont can look like this set guifont=Font\ OtherStuff\ for\ Powerline:h14 where h14 is the font size in this case 14px.
Contributors

Roberto Estrada restrada@paridin.com