release.sh

#!/bin/sh
set -e
timestamp=$(date +%Y%m%d%H%M)
echo "preparing release"
echo "previous version:"
read version
echo "release version:"
read nextversion
echo "Releasing $nextversion"

#pull the latest state from the repository
git pull --rebase

#run all tests
mvn clean verify

#create release branch
git branch rb-$nextversion

#change the releng/update-site/category.xml file. Replace <version>.qualifier by <version+1>
sed -i "s/$version/$nextversion/g" org.rtext.lang.update-site/category.xml

#update tycho managed plugins
mvn -Dtycho.mode=maven org.eclipse.tycho:tycho-versions-plugin:set-version -DnewVersion=$nextversion-SNAPSHOT

#commit and push to remote
git commit -s -a -m "new version $nextversion-SNAPSHOT"
git push

#checkout the release branch
git checkout rb-$nextversion

#pick release BUILDQUALIFIER (eg, 20100924-1107) and update release branch to the release version
mvn -Dtycho.mode=maven org.eclipse.tycho:tycho-versions-plugin:set-version -DnewVersion=$nextversion.$timestamp

#commit and tag your changes
git commit -s -a -m "new release $nextversion"
git tag v$nextversion
git push --tags origin master