podspec: add swift_version #9

	name: Code Formatting
	on: push

	jobs:
	format:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v2

	- name: Setup clang-format 14
	shell: bash
	run: \|
	sudo rm -f /usr/bin/clang-format
	sudo ln -s /usr/bin/clang-format-14 /usr/bin/clang-format

	- name: Setup swiftformat cache
	uses: actions/cache@v3
	with:
	path: /tmp/swiftformat-bin
	key: ${{ runner.os }}-swiftformat-${{ hashFiles('**/Package.resolved') }}
	restore-keys: \|
	${{ runner.os }}-swiftformat-

	- name: Install SwiftFormat
	shell: bash
	run: \|
	if [ -x "${SWIFTFORMAT_PREBUILT_DIR}/swiftformat" ]; then
	echo "Found swiftformat prebuilt"
	sudo cp ${SWIFTFORMAT_PREBUILT_DIR}/swiftformat /usr/bin/
	else
	echo "Building SwiftFormat"
	cd /tmp/
	git clone https://github.com/nicklockwood/SwiftFormat
	cd SwiftFormat
	swift build -c release
	mkdir -p ${SWIFTFORMAT_PREBUILT_DIR}
	cp .build/release/swiftformat ${SWIFTFORMAT_PREBUILT_DIR}/
	sudo cp .build/release/swiftformat /usr/bin/
	fi
	env:
	SWIFTFORMAT_PREBUILT_DIR: "/tmp/swiftformat-bin"

	- name: Check codestyle
	shell: bash
	run: make format-check

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