fix: avoid panic on re-register timer #71

	name: wgtunnel

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch:

	permissions:
	actions: none
	checks: none
	contents: read
	deployments: none
	issues: none
	packages: none
	pull-requests: none
	repository-projects: none
	security-events: none
	statuses: none

	# Cancel in-progress runs for pull requests when developers push additional
	# changes.
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.event_name == 'pull_request' }}

	jobs:
	fmt:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Go
	uses: actions/setup-go@v3
	with:
	go-version: "~1.20"
	- name: Check for unstaged files
	run: ./scripts/check_unstaged.sh

	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Go
	uses: actions/setup-go@v3
	with:
	go-version: "~1.20"
	- name: golangci-lint
	uses: golangci/[email protected]
	with:
	version: v1.51.0

	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Go
	uses: actions/setup-go@v3
	with:
	go-version: "~1.20"
	- name: Install gotestsum
	uses: jaxxstorm/[email protected]
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	repo: gotestyourself/gotestsum
	tag: v1.9.0
	- name: Test
	run: make test

Provide feedback