Script for fixing broken Brew VirtualEnvWrapper environments

fixvirtualenv

#!/bin/bash
# @@TODO: Script assumes Python3.  If you are wanting to fix a Python2 Virtual Environment,
#         consider adding a command line argument to specify which python to use and adjust the `mkvirtualenv` line.
#         Reminder: Python2 is EOL Jan1 2020, so script assumes you wouldn't want to do that...

# Ensure virtualenv script exists
if [ -z $VIRTUALENVWRAPPER_SCRIPT ]
  then
    echo "VirtualEnvWrapper Script Environment Variable Not Found.  Please run `pip3 install virtualenvwrapper` to continue."
    exit 1
fi

# Ensure WORKON_HOME set
if [ -z $WORKON_HOME ]
  then
    echo "$WORKON_HOME is not set.  Please ensure this is set in your environment before continuing to ensure correct execution."
    exit 1
fi


# Verify first argument is a valid virtualenv
VENV_DIR="$WORKON_HOME/$1"
if [ -z "$1" ]
  then
    echo "No Virtual Environment Supplied"
    exit 1
elif [ -d $VENV_DIR ]
  then
    :
else
    echo "Please Supply Valid Virtual Environment Name"
    exit 1
fi

# Run the cleanup job
# @@TODO: This assumes Python3
source $VIRTUALENVWRAPPER_SCRIPT
cd $VENV_DIR
find . -type l -delete
mkvirtualenv $1 --python=`which python3`
exit 0