fix: crash when tag already exists #10

	name: Publish

	on:
	push:
	branches:
	- master

	jobs:
	publish:
	runs-on: ubuntu-latest

	permissions:
	contents: write
	id-token: write

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Deno setup
	uses: denoland/setup-deno@v1
	with:
	deno-version: vx.x.x

	- name: Test
	run: deno task test

	- name: Check format, linting, types
	run: deno task check

	- name: Publish to JSR
	run: deno publish

	- name: Publish to Deno.land/x
	run: \|
	git config user.name "GitHub Actions"
	git config user.email "[email protected]"
	git fetch --tags

	VERSION=$(jq -r '.version' deno.json)

	if git rev-parse "$VERSION" >/dev/null 2>&1; then
	echo "Tag $VERSION already exists, doing nothing."
	else
	# If the tag does not exist, create and push it
	git tag "$VERSION"
	git push origin "$VERSION"
	fi

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