feat: make handshake cancelable (backport #857) #3067

	# Verify that generated code is up-to-date.
	#
	# Note that we run these checks regardless whether the input files have
	# changed, because generated code can change in response to toolchain updates
	# even if no files in the repository are modified.
	name: Check generated code
	on:
	pull_request:
	branches:
	- v0.37.x

	permissions:
	contents: read

	jobs:
	check-mocks:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v4
	with:
	go-version: "1.20"

	- uses: actions/checkout@v3

	- name: "Check generated mocks"
	run: \|
	set -euo pipefail

	make mockery

	if ! git diff --stat --exit-code ; then
	echo ">> ERROR:"
	echo ">>"
	echo ">> Generated mocks require update (either Mockery or source files may have changed)."
	echo ">> Ensure your tools are up-to-date, re-run 'make mockery' and update this PR."
	echo ">>"
	exit 1
	fi

	check-proto:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v4
	with:
	go-version: "1.20"

	- uses: actions/checkout@v3
	with:
	fetch-depth: 1 # we need a .git directory to run git diff

	- name: "Check protobuf generated code"
	run: \|
	set -euo pipefail

	make proto-gen

	if ! git diff --stat --exit-code ; then
	echo ">> ERROR:"
	echo ">>"
	echo ">> Protobuf generated code requires update (either tools or .proto files may have changed)."
	echo ">> Ensure your tools are up-to-date, re-run 'make proto-gen' and update this PR."
	echo ">>"
	git diff
	exit 1
	fi

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