Add NixOS image for bare-metal Kata #18

	name: check patches

	on:
	workflow_dispatch:
	pull_request:
	paths:
	- .github/workflows/check_patches.yml
	- packages/by-name/kata/kata-runtime/package.nix
	- packages/by-name/kata/kata-runtime/0*.patch

	jobs:
	check-patches:
	runs-on: ubuntu-22.04
	timeout-minutes: 15
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	path: contrast
	- uses: ./contrast/.github/actions/setup_nix
	with:
	githubToken: ${{ secrets.GITHUB_TOKEN }}
	cachixToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
	- id: kataversion
	working-directory: contrast
	run: \|
	echo "v=$(nix eval --raw .#kata.kata-runtime.version)" >> "$GITHUB_OUTPUT"
	- name: Check out Kata
	run: \|
	git clone --depth 1 -b "${{ steps.kataversion.outputs.v }}" https://github.com/kata-containers/kata-containers.git kata
	- name: Apply patches
	working-directory: kata
	run: \|
	git config --global user.email "[email protected]"
	git config --global user.name "Actions Bot"
	git am --no-3way ../contrast/packages/by-name/kata/kata-runtime/0*.patch
	git format-patch -N --no-signature --zero-commit --full-index -o ../contrast/packages/by-name/kata/kata-runtime/ "${{ steps.kataversion.outputs.v }}"
	- name: Check for diff
	working-directory: contrast
	run: \|
	git diff --exit-code

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