Bump crate version to 0.21.0 #27

	name: Create GitHub release and publish crate to crates.io

	on:
	push:
	tags:
	- "v*"

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Assert tag version matches crate version
	id: release_version
	run: \|
	set -euo pipefail

	# Get release version from Git tag
	tag_version=${GITHUB_REF#refs/tags/v}

	# Get crate version from Cargo.toml
	crate_version=$(cargo read-manifest \| jq -r .version)

	if [ "$tag_version" != "$crate_version" ]; then
	echo "Error: Release version in Git tag (${tag_version}) does not match crate version in Cargo.toml (${crate_version})."
	exit 1
	fi

	echo "version=$crate_version" > "$GITHUB_OUTPUT"

	- name: Create GitHub release
	id: create_release
	uses: actions/create-release@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	tag_name: ${{ github.ref }}
	release_name: hcloud-rust v${{ steps.release_version.outputs.version }}
	draft: true

	- name: Publish crate to crates.io
	env:
	CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
	run: cargo publish

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