@toranb's Automatically 'workon' a virtualenv

autoworkon.sh

# This makes 3 assumptions
# 1.) the root project directory must have a .git file (this way it won't try to "workon" in every single 
# directory on your machine)
# 2.) the virtualenv name for your project must match the root directory name of your project
# 3.) you want it to auto switch virtualenvs for you when you jump between different project directories
# (when you hit another dir w/ a virtualenv that is)

workon_virtualenv() {
  if [ -e .git ]; then
    current_dir="${PWD##*/}"
    if [ -e ~/virtualenvs/$current_dir ]; then
      deactivate >/dev/null 2>&1
      source ~/virtualenvs/$current_dir/bin/activate
    fi
  fi
}

virtualenv_cd() {
  cd "$@" && workon_virtualenv
}

alias cd="virtualenv_cd"

This is great! A small suggestion: why not using $WORKON_HOME instead of hardcoding ~/virtualenvs/ as the directory containing virtualenvs?