ci: cache builds to speed up compilations #1354

	name: Linter

	on:
	pull_request:
	paths-ignore:
	- "docs/**"
	- "helm/**"
	- "assets/**"
	- "**.md"

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	unit-tests:
	name: Unit tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v2
	with:
	shared-key: "target-cache"
	- uses: actions-rs/cargo@v1
	with:
	command: test

	fmt:
	name: Rust fmt check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v2
	with:
	shared-key: "target-cache"
	- run: rustup component add rustfmt
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	clippy:
	name: Cargo Clippy check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: Swatinem/rust-cache@v2
	with:
	shared-key: "target-cache"
	- run: rustup component add clippy
	- uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings

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