CI #2

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	merge_group:

	name: CI

	env:
	CARGO_TERM_COLOR: always
	CARGO_INCREMENTAL: 0

	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	include:
	- rust: 1.6.0 # MSRV
	- rust: stable
	- rust: beta
	- rust: nightly

	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- name: Tests
	run: \|
	cargo build --verbose
	cargo test --verbose

	# One job that "summarizes" the success state of this pipeline. This can then be added to branch
	# protection, rather than having to add each job separately.
	success:
	name: Success
	runs-on: ubuntu-latest
	needs: [tests]
	# Github branch protection is exceedingly silly and treats "jobs skipped because a dependency
	# failed" as success. So we have to do some contortions to ensure the job fails if any of its
	# dependencies fails.
	if: always() # make sure this is never "skipped"
	steps:
	# Manually check the status of all dependencies. `if: failure()` does not work.
	- name: check if any dependency failed
	run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'

Provide feedback