#!/usr/bin/env bash
# Upgrade script

set -x

if [ $# -eq 0 ]
  then
      echo 'Pass new LimeSurvey Version tag:'
      echo '> upgrade.sh 3.15.8+190130'
      exit 1
fi

NEW_VERSION=$1
MAJOR_VERSION="${NEW_VERSION%%.*}.0"
NEW_TAG="${NEW_VERSION%+*}-${NEW_VERSION#*+}"

grep -qc "$NEW_VERSION" "$MAJOR_VERSION/apache/Dockerfile" "$MAJOR_VERSION/fpm/Dockerfile" "$MAJOR_VERSION/fpm-alpine/Dockerfile"

GREP_NEW_VERSION_EXIT_CODE=$?

if [ $GREP_NEW_VERSION_EXIT_CODE -eq 0 ]
   then
       echo "Already at version ${NEW_VERSION}"
       exit 0
fi

# Download, unzip and chmod LimeSurvey from official GitHub repository
wget -P /tmp "https://github.com/LimeSurvey/LimeSurvey/archive/${NEW_VERSION}.tar.gz"

SHA256_CHECKSUM=$(sha256sum "/tmp/${NEW_VERSION}.tar.gz" | awk '{ print $1 }')

# Update lines in the files
sed -r -i -e "s/[0-9]+(\.[0-9]+)+\+[0-9]+/$NEW_VERSION/" "$MAJOR_VERSION/apache/Dockerfile" "$MAJOR_VERSION/fpm/Dockerfile" "$MAJOR_VERSION/fpm-alpine/Dockerfile"
sed -r -i -e "s/[A-Fa-f0-9]{64}/$SHA256_CHECKSUM/" "$MAJOR_VERSION/apache/Dockerfile" "$MAJOR_VERSION/fpm/Dockerfile" "$MAJOR_VERSION/fpm-alpine/Dockerfile"

# After that, check and commit
echo "git add 5.0 ; git commit -m 'Upgrading to LTS Version ${NEW_VERSION}' && git tag ${NEW_TAG}"
echo "git add 6.0 ; git commit -m 'Upgrading to Version ${NEW_VERSION}' && git tag ${NEW_TAG}"