Backport #4

	name: Backport
	on:
	workflow_dispatch:
	inputs:
	number:
	description: "The pull request # to backport"
	required: true

	permissions:
	contents: read

	jobs:
	backport:
	permissions:
	contents: write # for Git to git push
	runs-on: ubuntu-latest
	steps:
	- run: \|
	if [[ ! $GITHUB_REF_NAME =~ ^release/v[0-9]+\.[0-9]+\.x$ ]]; then
	echo this workflow should only be run against release branches
	exit 1
	fi

	- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
	with:
	# history is needed to run git cherry-pick below
	fetch-depth: 0

	- name: Use CLA approved bot
	run: .github/scripts/use-cla-approved-bot.sh

	- name: Create pull request
	env:
	NUMBER: ${{ github.event.inputs.number }}
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	commit=$(gh pr view $NUMBER --json mergeCommit --jq .mergeCommit.oid)
	title=$(gh pr view $NUMBER --json title --jq .title)

	branch="otelbot/backport-${NUMBER}-to-${GITHUB_REF_NAME//\//-}"

	git checkout -b $branch
	git cherry-pick $commit
	git push --set-upstream origin $branch
	gh pr create --title "[$GITHUB_REF_NAME] $title" \
	--body "Clean cherry-pick of #$NUMBER to the \`$GITHUB_REF_NAME\` branch." \
	--base $GITHUB_REF_NAME

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