Install Private Git on Heroku w/ exposing credentials in requirements.txt

.profile

# Add this file to app root, Heroku will execute it on start, clone repo and add location to path
DIR=./package

if [ -d "$DIR" ]; then
    printf '%s\n' "Deleting existing folder: ($DIR)"
    rm -rdf "$DIR"
fi

# GIT_CREDENTIALS=username:pwd
echo "Cloning..."
git clone --progress --branch master --depth=1 --single-branch http://${GIT_CREDENTIALS}@github.com/org/repo.git package
echo "Cloning completed. Adding Package to PATH"

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/package"
echo "Adding to PTH: ${DIR}"

export PYTHONPATH=$DIR:$PYTHONPATH