set -e

RELEASED_VERSION=$(mvn org.apache.maven.plugins:maven-help-plugin:2.1.1:evaluate -Dexpression=project.version | grep -Ev '(^\[|\w+:)' | grep -Eo '[0-9]+\.[0-9]+\.[0-9]+')

if [ "${RELEASED_VERSION##*-}" != "SNAPSHOT" ]; then

echo "Changing version to $RELEASED_VERSION in README files"

# Get list of directories for which README.md must be updated

module_folders=($(find . -maxdepth 2 -type d | sed -E -n "/^\.\/(google-cloud-contrib\/)?google-cloud(-[a-z]+)+$/p") . ./google-cloud)

readmes=""

for item in ${module_folders[*]}

do

if [ -f ${item}/README.md ]; then

sed -ri "s/<version>[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+)?<\/version>/<version>${RELEASED_VERSION}\1<\/version>/g" ${item}/README.md

sed -ri "s/:[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+)?'/:${RELEASED_VERSION}\1'/g" ${item}/README.md

sed -ri "s/\"[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+)?\"/\"${RELEASED_VERSION}\1\"/g" ${item}/README.md

readmes="$readmes ${item}/README.md"

fi

done

NEW_VERSION=${RELEASED_VERSION%.*}.$((${RELEASED_VERSION##*.}+1))-alpha-SNAPSHOT

echo "Changing version to $NEW_VERSION in google-cloud-nio-example README"

sed -ri "s/google-cloud-nio-[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+)?-SNAPSHOT/google-cloud-nio-$NEW_VERSION/g" google-cloud-contrib/google-cloud-nio-examples/README.md

sed -ri "s/google-cloud-nio-examples-[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+)?-SNAPSHOT/google-cloud-nio-examples-$NEW_VERSION/g" google-cloud-contrib/google-cloud-nio-examples/README.md

git add $readmes