Ensure dependabot doesn't break over time (#126) #314

	name: CI
	on:
	pull_request:
	push:
	branches:
	- main

	# This makes sure to only run one instance of this workflow per individual PR and pushes.
	# We need this especially for the release step, because it has side effects.
	# But it's also good in general, there's no need to finish action runs for commits
	# when you push another one right after.
	# Assumption: We push less frequently than it takes for this workflow to finish
	concurrency:
	# For a push to the main branch, github.ref is refs/heads/<branch_name>
	# For a pull request, github.ref is refs/pull/<pr_number>/merge
	group: ${{ github.ref }}
	# We don't want to cancel in progress workflows for pushes to the main branch,
	# because it could be in the process of doing a release.
	# Better wait until it's done
	cancel-in-progress: ${{ github.event_name != 'pull' }}

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: cachix/install-nix-action@V27

	- name: build
	run: nix-build -A ci

	- name: release
	if: ${{ github.event_name == 'push' }}
	run: scripts/release.sh
	env:
	GH_TOKEN: ${{ github.token }}

	# Make sure that all links in Markdown documents are valid
	xrefcheck:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	# While this has a Nix build available, it needs to evaluate and build so much
	# that I don't think it's worth adding it to the nix-build.
	- uses: serokell/xrefcheck-action@v1

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