[Backport release-24.11] workflows/build: build all the basics in a single workflow #117999

	name: "Check whether nix files are parseable v2"

	on:
	pull_request:
	paths:
	- .github/workflows/nix-parse-v2.yml
	pull_request_target:

	concurrency:
	group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	permissions: {}

	defaults:
	run:
	shell: bash

	jobs:
	tests:
	name: nix-files-parseable-check
	runs-on: ubuntu-24.04-arm
	if: "!contains(github.event.pull_request.title, '[skip treewide]')"
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	sparse-checkout: .github/actions
	- name: Check if the PR can be merged and checkout the merge commit
	uses: ./.github/actions/get-merge-commit
	with:
	merged-as-untrusted: true

	- uses: cachix/install-nix-action@17fe5fb4a23ad6cbbe47d6b3f359611ad276644c # v31
	with:
	extra_nix_config: sandbox = true
	nix_path: nixpkgs=channel:nixpkgs-unstable

	- name: Parse all nix files
	run: \|
	# Tests multiple versions at once, let's make sure all of them run, so keep-going.
	nix-build untrusted/ci -A parse --keep-going

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