tools/release-1-create-branch.sh

#!/usr/bin/env bash

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DIRECTORY=$(pwd)

# 0. Check if there are uncommitted changes as these would automatically be committed (local)
if [[ $(git status --porcelain) ]]; then
  # Changes
  echo "There are untracked files or changed files, aborting."
  exit 1
fi

# 1. Get and calculate the current version (local)
PROJECT_VERSION=$(../mvnw -f ../pom.xml -q -Dexec.executable=echo -Dexec.args="\${project.version}" --non-recursive exec:exec)
RELEASE_VERSION=${PROJECT_VERSION%"-SNAPSHOT"}
RELEASE_SHORT_VERSION=${RELEASE_VERSION%".0"}
BRANCH_NAME="rel/$RELEASE_SHORT_VERSION"
IFS='.' read -ra VERSION_SEGMENTS <<< "$RELEASE_VERSION"
NEW_VERSION="${VERSION_SEGMENTS[0]}.$((VERSION_SEGMENTS[1] + 1)).0-SNAPSHOT"
echo "Current Version: '$PROJECT_VERSION'"
echo "Release Version: '$RELEASE_VERSION'"
echo "Release Branch Name: '$BRANCH_NAME'"
echo "New develop Version: '$NEW_VERSION'"

# 2. Ask if the RELEASE_NOTES have been filled out at all (local)
read -p "Have the RELEASE_NOTES been updated for this version? (yes/no) " yn
case $yn in
	yes ) echo continuing with the process;;
	no ) echo Please update the RELEASE_NOTES first;
		exit 1;;
	* ) echo invalid response;
		exit 1;;
esac

# 3. Do a simple maven branch command with pushChanges=false
docker compose run releaser bash /ws/mvnw -e -P with-c,with-dotnet,with-go,with-java,with-python,enable-all-checks,update-generated-code -Dmaven.repo.local=/ws/out/.repository release:branch -DautoVersionSubmodules=true -DpushChanges=false -DdevelopmentVersion="$NEW_VERSION" -DbranchName="$BRANCH_NAME"
if [ $? -ne 0 ]; then
    echo "Got non-0 exit code from docker compose, aborting."
    exit 1
fi

# 4. Remove the "(Unreleased)" prefix from the current version of the RELEASE_NOTES file (local)
sed -i '' "s/(Unreleased) Apache PLC4X $PROJECT_VERSION*/Apache PLC4X $RELEASE_VERSION/" ../RELEASE_NOTES

# 5. Add a new section for the new version to the RELEASE_NOTES file (local)
NEW_HEADER="==============================================================\n\
(Unreleased) Apache PLC4X $NEW_VERSION\n\
==============================================================\n\
\n\
New Features\n\
------------\n\
\n\
Incompatible changes\n\
--------------------\n\
\n\
Bug Fixes\n\
---------\n\
\n\
==============================================================\n\
"
echo NEW_VERSION
sed -i '' "1s/.*/$NEW_HEADER/" ../RELEASE_NOTES

# 6. Commit the change (local)
git add --all
git commit -m "chore: prepared the RELEASE_NOTES for the next version."

# 7. Push the changes (local)
git push

# 8. Switch to the release branch (local)
git checkout "$BRANCH_NAME"

echo "Release branch creation complete. We have switched the local branch to the release branch. Please continue with 'release-2-prepare-release.sh' as soon as the release branch is ready for being released."