nixos/binfmt: Add option to use static emulators when available #10255

	name: "Build Nixpkgs manual"

	permissions: read-all

	on:
	pull_request_target:
	branches:
	- master
	paths:
	- 'doc/**'
	- 'lib/**'
	- 'pkgs/tools/nix/nixdoc/**'

	jobs:
	nixpkgs:
	name: nixpkgs-manual-build
	runs-on: ubuntu-latest
	if: github.repository_owner == 'NixOS'
	steps:
	- uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
	with:
	# pull_request_target checks out the base branch by default
	ref: refs/pull/${{ github.event.pull_request.number }}/merge
	- uses: cachix/install-nix-action@9f70348d77d0422624097c4b7a75563948901306 # v29
	with:
	# explicitly enable sandbox
	extra_nix_config: sandbox = true
	- uses: cachix/cachix-action@ad2ddac53f961de1989924296a1f236fcfbaa4fc # v15
	with:
	# This cache is for the nixpkgs repo checks and should not be trusted or used elsewhere.
	name: nixpkgs-ci
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
	- name: Building Nixpkgs manual
	run: NIX_PATH=nixpkgs=$(pwd) nix-build --option restrict-eval true pkgs/top-level/release.nix -A manual -A manual.tests

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