ci: report relevant changes from foundry artifacts #9

	name: Foundry reports

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

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	gas-report:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # pin@v4

	- name: Install Foundry
	uses: foundry-rs/foundry-toolchain@v1
	with:
	version: nightly

	- name: Cache Restore
	id: cache
	uses: actions/cache/restore@6849a6489940f00c2f30c0fb92c6274307ccb58a # pin@v4
	with:
	path: cache
	key: ${{ runner.os }}-bgd-foundry-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-bgd-foundry-
	${{ runner.os }}-

	- name: Create backup
	if: steps.cache.outputs.cache-matched-key != ''
	run: \|
	cd cache
	ls -l
	cd ..
	cp cache/gas.json cache/gas.backup.json \|\| :
	cp cache/lcov.info cache/lcov.backup.info \|\| :

	# required
	- name: Build
	run: forge build

	- name: Gas report
	run: forge test --fuzz-runs 1 --gas-report --json > cache/gas.json

	- name: Code coverage
	run: forge coverage --fuzz-runs 1 --report lcov --no-match-coverage "(scripts\|tests\|deployments\|mocks)"

	# move file to cache folder
	- name: Lcov transform
	run: mv lcov.info cache/lcov.info

	- uses: romeovs/[email protected]
	with:
	lcov-file: ./cache/lcov.info
	lcov-base: ./cache/lcov.backup.info

	- name: Cache Save
	# if: github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
	uses: actions/cache/save@6849a6489940f00c2f30c0fb92c6274307ccb58a # pin@v4
	with:
	path: cache
	key: ${{ runner.os }}-bgd-foundry-${{ github.sha }}

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