feat: handle derivations without source path #13

	---
	name: CI on Pull Requests

	on:
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	commitlint:
	name: Lint Commit Messages
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- uses: wagoid/commitlint-github-action@v5

	test:
	name: Test Suite
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: run cargo test
	run: cargo test

	formatting:
	name: Code Formatting
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: running rustfmt
	run: \|
	files=$(find . -name '*.rs')
	IFS=$'\n'; for file in $files; do
	rustfmt --check "$file"
	done

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