Rust

docs: document rustup "rustc not applicable" fix for Raspberry Pi builds #104

	name: Rust

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6

	- name: Install system dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y pkg-config libexiv2-dev libfontconfig1-dev python3-dev

	- name: Install Rust toolchain
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	components: rustfmt, clippy

	- name: Check formatting
	run: cargo fmt --all -- --check

	- name: Clippy
	run: cargo clippy --all-targets -- -D warnings

	- name: Build
	run: cargo build --verbose

	- name: Run tests
	run: cargo test --verbose

	# The optional windowed display (minifb) loads X11/Wayland via dlopen, so it builds
	# without extra system libraries. Check it here so it does not bit-rot.
	- name: Clippy (minifb feature)
	run: cargo clippy --features minifb --all-targets -- -D warnings

	- name: Build (minifb feature)
	run: cargo build --features minifb --verbose

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