Add fallible tryGetMetadata method #237

	name: Rust CI

	on:
	workflow_call:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- main

	jobs:
	check_fmt:
	name: Check Formatting
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: rustfmt
	override: true
	- name: Check Formatting
	run: cargo fmt --check
	working-directory: tools/compiler

	lint:
	name: Lint with Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: clippy
	override: true
	- name: Run Clippy on tests
	run: cargo clippy --tests -- -D warnings
	working-directory: tools/compiler

	test:
	name: Run Tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: Run Tests
	run: cargo test
	working-directory: tools/compiler

	execute_and_check:
	name: Generate registry and Check for Diffs
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: Generate registry
	run: cargo run
	env:
	RUST_LOG: info
	working-directory: tools/compiler

	- name: Check for Uncommitted Changes
	shell: bash
	run: \|
	s="$(git status --porcelain)"
	if [[ -n "$s" ]]; then
	>&2 echo "ERROR: run tools/compiler to generate new outputs"
	echo "$s"
	exit 1
	else
	echo "OK: no changes required to registry outputs"
	fi

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