#!/usr/bin/env bash

cd "$OLDPWD"

python3 -m venv .venv
source .venv/bin/activate
PATH_add .venv/bin

NOW=$(date +%s)
if test -e .pip_upgrade_timestamp
then
  LAST=$(cat .pip_upgrade_timestamp)
else
  LAST=0
fi
DELTA=$(expr "$NOW" - "$LAST")
echo "last pip upgrade $DELTA seconds ago"
if test "$DELTA" -gt 86400
then
  python3 -m pip --require-virtualenv install pip wheel --upgrade
  python3 -m pip --require-virtualenv install -r requirements.txt --upgrade
  if test -e optional-requirements.txt
  then
    python3 -m pip --require-virtualenv install -r optional-requirements.txt --upgrade
  fi
  date +%s > .pip_upgrade_timestamp
fi