antigen-zsh-config

.zshrc

# this file go in ~/.zshrc

# if you use the debian/ubuntu package zsh-antigen :
source /usr/share/zsh-antigen/antigen.zsh

# otherwise
# source path/to/antigen.zsh

antigen use oh-my-zsh
antigen bundle git
antigen bundle composer 
antigen bundle zsh-users/zsh-syntax-highlighting
antigen theme agnoster #you need to install powerline fonts for this theme (apt-get install powerline)
antigen apply

install-antigen.sh

#!/bin/bash
# this script will ask your password twice :

# 1 for admin rights to install zsh + antigen
sudo apt-get install zsh-antigen
# 2 to change your default shell to zsh
chsh -s /bin/zsh