Set VERSION env var in workflow when building Antrea images for tag #3

	name: Update CHANGELOG after release

	on:
	push:
	tags:
	- v*

	jobs:
	check-version:
	runs-on: [ubuntu-latest]
	outputs:
	version: ${{ steps.get-version.outputs.version }}
	steps:
	- name: Extract version from Github ref
	id: get-version
	env:
	TAG: ${{ github.ref }}
	shell: bash
	run: \|
	version=${TAG:10}
	if [[ "$version" == - ]]; then
	echo "$version is a release candidate or a pre-release"
	exit 0
	fi
	echo "version=$version" >> $GITHUB_OUTPUT

	pr-update-changelog:
	runs-on: [ubuntu-latest]
	needs: check-version
	if: ${{ needs.check-version.outputs.version != '' }}
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	ref: main
	- name: Cherry-pick changelog commit
	env:
	VERSION: ${{ needs.check-version.outputs.version }}
	shell: bash
	run: \|
	git config user.name github-actions
	git config user.email [email protected]
	commit_hash=$(git log "$VERSION" --format="%H" --grep="Update CHANGELOG for $VERSION release")
	if [[ -z "$commit_hash" ]]; then
	echo "Cannot find commit"
	exit 1
	fi
	git cherry-pick "$commit_hash"
	- name: Create Pull Request
	uses: peter-evans/create-pull-request@v7
	with:
	token: ${{ secrets.ANTREA_BOT_WRITE_PAT }}
	delete-branch: true
	title: "Update CHANGELOG for ${{ needs.check-version.outputs.version }} release"
	body: \|
	PR was opened automatically from Github Actions
	- name: Check outputs
	run: \|
	echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
	echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"

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