recwarn: let base exceptions propagate through `pytest.warns` again #585

	name: backport

	on:
	# Note that `pull_request_target` has security implications:
	# https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
	# In particular:
	# - Only allow triggers that can be used only be trusted users
	# - Don't execute any code from the target branch
	# - Don't use cache
	pull_request_target:
	types: [labeled]

	# Set permissions at the job level.
	permissions: {}

	jobs:
	backport:
	if: startsWith(github.event.label.name, 'backport ') && github.event.pull_request.merged
	runs-on: ubuntu-latest
	permissions:
	contents: write
	pull-requests: write

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	persist-credentials: true

	- name: Create backport PR
	run: \|
	set -eux

	git config --global user.name "pytest bot"
	git config --global user.email "[email protected]"

	label='${{ github.event.label.name }}'
	target_branch="${label#backport }"
	backport_branch=backport-${{ github.event.number }}-to-"${target_branch}"
	subject="[$target_branch] $(gh pr view --json title -q .title ${{ github.event.number }})"

	git checkout origin/"${target_branch}" -b "${backport_branch}"
	git cherry-pick -x --mainline 1 ${{ github.event.pull_request.merge_commit_sha }}
	git commit --amend --message "$subject"
	git push --set-upstream origin --force-with-lease "${backport_branch}"
	gh pr create \
	--base "${target_branch}" \
	--title "${subject}" \
	--body "Backport of PR #${{ github.event.number }} to $target_branch branch. PR created by backport workflow."
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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