#!/bin/bash -e

addGroup etherpad ""
addUser etherpad "" etherpad /usr/share/etherpad-lite "etherpad user-daemon" "/bin/false"

if [ ! -f /usr/share/etherpad-lite/APIKEY.txt ]; then
  mkdir -p /usr/share/etherpad-lite
  openssl rand -base64 64 | head -n 1 | sed 's/=//g' | sed 's/+//g' | sed 's/\///g' | tr -d '\n' > /usr/share/etherpad-lite/APIKEY.txt
  chown etherpad:etherpad /usr/share/etherpad-lite/
  chown etherpad:etherpad /usr/share/etherpad-lite/APIKEY.txt
  chmod 644 /usr/share/etherpad-lite/APIKEY.txt
fi

if [ -d /usr/share/etherpad-lite/node_modules ]; then
  rm -r /usr/share/etherpad-lite/node_modules
fi

# Clean out old pads before upgrade
redis-cli keys pad:*            | xargs -r redis-cli del
redis-cli keys sessionstorage:* | xargs -r redis-cli del
redis-cli keys globalAuthor:*   | xargs -r redis-cli del
redis-cli keys token2author:*   | xargs -r redis-cli del
redis-cli keys pad2readonly:*   | xargs -r redis-cli del
redis-cli keys readonly2pad:*   | xargs -r redis-cli del
redis-cli keys ueberDB:*        | xargs -r redis-cli del