Rust CI #134

	name: Rust CI
	on:
	workflow_call:
	workflow_dispatch:
	push:
	branches:
	- main
	# Run periodically to check for breakage, since we seldom update the osiris repo.
	# This allows us to determine approximately when a breaking change was merged into
	# the penumbra repo, so we can fix it ahead of a testnet release.
	schedule:
	- cron: "25 18 * * *"
	pull_request: {}
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	jobs:
	build:
	name: Build
	runs-on: buildjet-16vcpu-ubuntu-2004
	steps:
	- name: Checkout osiris
	uses: actions/checkout@v3

	- name: Check out penumbra repo
	uses: actions/checkout@v3
	with:
	repository: penumbra-zone/penumbra
	path: penumbra-repo
	lfs: true

	- name: Move penumbra repo to relative path
	run: mv penumbra-repo ../penumbra

	- name: Install rust toolchain
	uses: dtolnay/rust-toolchain@stable

	- name: Configure rust cache
	uses: Swatinem/rust-cache@v2

	- name: Run cargo build release
	run: cargo build --release
	env:
	# The `-D warnings` option causes an error on warnings;
	# we must duplicate the rustflags from penumbra repo's `.cargo/config.toml`.
	RUSTFLAGS: "-D warnings --cfg tokio_unstable"

	fmt:
	name: Rustfmt
	runs-on: buildjet-8vcpu-ubuntu-2004
	steps:
	- name: Checkout osiris
	uses: actions/checkout@v3

	# N.B. `cargo fmt` does not require relpath dependencies to be present,
	# so we don't need to clone the penumbra repo here.

	- name: Install rust toolchain
	uses: dtolnay/rust-toolchain@stable

	- name: Configure rust cache
	uses: Swatinem/rust-cache@v2

	- name: Run cargo fmt
	run: cargo fmt --all -- --check

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