# Make a light weight parsing of setup.py and dev_requirements.txt,

# finding all >= requirements and dumping into a custom requirements.txt

# while fixating the requirement at the lower bound.

sed -n 's/.*"\(.*\)>=\(.*\)".*/\1==\2/p' setup.py > "$min_requirements"

sed 's/>=/==/p' dev_requirements.txt >> "$min_requirements"

virtualenv -p "$(command -v python2)" "$venv"

source "$venv/bin/activate"

pip install --upgrade pip setuptools

pip install -e . -r "$min_requirements" python-ldap python-pam 2> >(tee "$log" >&2)

# Strip out the known Python 2.7 deprecation message.

# Treat any message on stderr as a problem, for the caller to interpret.

if [ -s "$log" ]; then

    echo

    echo "Error: pip detected following problems:"

    cat "$log"

    echo

    exit 1

fi

freeze_txt=build/minimum-dependency-versions.txt

pip freeze > $freeze_txt