.zshrc

# If you come from bash you might have to change your $PATH.
# export PATH=$HOME/bin:/usr/local/bin:$PATH

# Path to your oh-my-zsh installation.
export ZSH=~/.oh-my-zsh

# Set name of the theme to load. Optionally, if you set this to "random"
# it'll load a random theme each time that oh-my-zsh is loaded.
# See https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
if [ -f "$HOME/.oh-my-zsh/themes/honukai.zsh-theme" ]; then
  ZSH_THEME="honukai"
else
  ZSH_THEME="robbyrussell"
fi

# Uncomment the following line to use case-sensitive completion.
# CASE_SENSITIVE="true"

# Uncomment the following line to use hyphen-insensitive completion. Case
# sensitive completion must be off. _ and - will be interchangeable.
# HYPHEN_INSENSITIVE="true"

# Uncomment the following line to disable bi-weekly auto-update checks.
# DISABLE_AUTO_UPDATE="true"

# Uncomment the following line to change how often to auto-update (in days).
# export UPDATE_ZSH_DAYS=13

# Uncomment the following line to disable colors in ls.
# DISABLE_LS_COLORS="true"

# Uncomment the following line to disable auto-setting terminal title.
# DISABLE_AUTO_TITLE="true"

# Uncomment the following line to enable command auto-correction.
# ENABLE_CORRECTION="true"

# Uncomment the following line to display red dots whilst waiting for completion.
# COMPLETION_WAITING_DOTS="true"

# Uncomment the following line if you want to disable marking untracked files
# under VCS as dirty. This makes repository status check for large repositories
# much, much faster.
# DISABLE_UNTRACKED_FILES_DIRTY="true"

# Uncomment the following line if you want to change the command execution time
# stamp shown in the history command output.
# The optional three formats: "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
# HIST_STAMPS="mm/dd/yyyy"

# Would you like to use another custom folder than $ZSH/custom?
# ZSH_CUSTOM=/path/to/new-custom-folder

# Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)
# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
# Example format: plugins=(rails git textmate ruby lighthouse)
# Add wisely, as too many plugins slow down shell startup.
plugins=(git virtualenv)

source $ZSH/oh-my-zsh.sh

# User configuration

# export MANPATH="/usr/local/man:$MANPATH"

# You may need to manually set your language environment
# export LANG=en_US.UTF-8

# Preferred editor for local and remote sessions
# if [[ -n $SSH_CONNECTION ]]; then
#   export EDITOR='vim'
# else
#   export EDITOR='mvim'
# fi

# Compilation flags
# export ARCHFLAGS="-arch x86_64"

# ssh
# export SSH_KEY_PATH="~/.ssh/dsa_id"

# Set personal aliases, overriding those provided by oh-my-zsh libs,
# plugins, and themes. Aliases can be placed here, though oh-my-zsh
# users are encouraged to define aliases within the ZSH_CUSTOM folder.
# For a full list of active aliases, run `alias`.
#
# Example aliases
# alias zshconfig="mate ~/.zshrc"
# alias ohmyzsh="mate ~/.oh-my-zsh"

# PATH
export PATH="/usr/local/share/python:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
[ -d "$HOME/.rbenv/bin" ] && export PATH="$HOME/.rbenv/bin:$PATH"
[ -d "/snap/bin" ] && export PATH="$PATH:/snap/bin"

# Default Editor
export EDITOR='code -w'

# Virtual Environment
export WORKON_HOME=$HOME/.virtualenvs
[ -f /usr/local/bin/virtualenvwrapper.sh ] && source /usr/local/bin/virtualenvwrapper.sh
export VIRTUAL_ENV_DISABLE_PROMPT=1

# FileSearch
function f() { find . -iname "*$1*" ${@:2} }
function r() { grep "$1" ${@:2} -R . }

# Aliases
alias cppcompile='c++ -std=c++11 -stdlib=libc++'
alias zshconfig="code ~/.zshrc"
alias cls="clear"
# alias ccat="pygmentize -g"

glol='git log --graph --pretty='\''%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset'\'' --abbrev-commit'

precmd() {
  # sets the tab title to current dir
  echo -ne "\e]1;${PWD##*/}\a"
}

# rbenv
[ -d "$HOME/.rbenv/bin" ] && eval "$(rbenv init -)"

git-release () {
  echo "# From \`$1\` to \`$2 \`"

  while read -r -u 9 author name
  do
    echo "## $name - $author"

    GIT_PAGER=cat git log $1..$2 \
      --author="$author" \
      --no-merges --reverse \
      --date=iso-strict --pretty="%as %h %s" \
      | sed -r 's/ \(/ `/g' \
      | sed -r 's/\): /` /g' \

    echo

  done 9< <(git log $1..$2 --no-merges --format=$'%ae %an' --date=short-local | sort --unique)
}

Added [ -f /usr/local/bin/virtualenvwrapper.sh ] && source /usr/local/bin/virtualenvwrapper.sh to validate that you have virtualenvwrapper installed before run source on it

Added git-release function to automatically generate the changelog in markdown