setup_ctf_env.sh

# the following packages need to be installed to compile pyenv
# sudo yum install gcc zlib-devel bzip2 bzip2-devel readline-devel sqlite sqlite-devel openssl-devel xz xz-devel libffi-devel -y

# Introduce --clean option to remove previous setup dirs
if [ "$1" = "--clean" ] || [ "$1" = "-c" ]; then
    echo "Removing ~/ctf_env, ~/.pyenv, and ~/.nvm..."
    rm -rf ~/ctf_env
    rm -rf ~/.pyenv
    rm -rf ~/.nvm
    echo "Done."
else
    if [ -e ~/.pyenv ] || [ -e ~/ctf_env ] || [ -e ~/.nvm ]; then
        echo "Found existing ~/ctf_env, ~/.pyenv and/or ~/.nvm directories."
        echo "It is recommended to remove these before re-attempting ctf_env setup."
        read -p "Remove these directories before proceeding? [y/n]: " usr_clean_res
        if [ "$usr_clean_res" = "y" ]; then
            rm -rf ~/ctf_env
            rm -rf ~/.pyenv
            rm -rf ~/.nvm
        fi
    fi
fi

# pyenv will be installed under  ~/.pyenv/
curl https://pyenv.run | bash

# if want to use pyenv for other shell sessions, put the following 3 lines in ~/.bashrc
#export PYENV_ROOT="$HOME/.pyenv"
#command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"
#eval "$(pyenv init -)"

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

#python is installed under  ~/.pyenv/versions/
pyenv install -v 3.8.12
pyenv versions
# set python to 3.8.12 only for this shell session
pyenv shell 3.8.12
python -V

# create virtual environment for package management under home directory
python -m venv ~/ctf_env

source ~/ctf_env/bin/activate
# install required ctf packages
python -m pip install pip==22.3.1
pip install -r ./requirements.txt

# if no intention to use CTF editor, the next line could be commented out
source setup_editor.sh

python --version

deactivate