automate byte-buddy build #10

	name: "Byte Buddy Update"

	on:
	pull_request:

	permissions:
	pull-requests: write
	contents: write

	jobs:
	pr-api-change:
	name: PR Byte Buddy change
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: actions/setup-java@v3
	with:
	distribution: 'zulu'
	java-version: 8
	- name: Rebuild byte-buddy if version has changed
	run: \|
	if [ 'byte-buddy-tag' = $(git diff --diff-filter=d --name-only origin/master -- 'byte-buddy-tag' agent/libs \| xargs) ]
	then
	echo Byte Buddy tag was updated
	tag=$(cat byte-buddy-tag)
	rm agent/libs/byte-buddy*
	git clone https://github.com/raphw/byte-buddy.git
	cp bb.patch byte-buddy
	cd byte-buddy
	git checkout $tag
	git apply bb.patch
	mvn clean package -Pextras -Dskiptests -q -B
	echo Build succeeded
	mv ./byte-buddy/target/$tag.jar ../agent/libs
	mv ./byte-buddy/target/$tag-sources.jar ../agent/libs
	cd ..
	rm -rf byte-buddy
	perl -pi -e "s\|libs/byte-buddy-.+jar\|libs/$tag.jar\|" agent/build.gradle
	echo updated byte buddy and reference
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
	git checkout "${GITHUB_HEAD_REF}"
	git add agent/libs agent/build.gradle
	git config --global user.name "GitHub Actions"
	git config --global user.email "github_actions_bot@kamon.io"
	git commit -m "rebuilt byte buddy"
	git push
	fi

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