name: ci

# Tests and clippy run on the Pi runner (aarch64) inside a rust container, so
# this CI proves the aarch64 build too. Jobs use the runner's `docker` label.
on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: never
  RUST_IMAGE: rust:1.87-bookworm
  CARGO_REGISTRY_VOLUME: onionwire-cargo-registry
  CARGO_TARGET_VOLUME: onionwire-target-ci
  BUILD_CONTAINER: onionwire-ci

jobs:
  test:
    runs-on: docker
    timeout-minutes: 120
    steps:
      - name: Checkout
        uses: https://code.forgejo.org/actions/checkout@v4

      - name: cargo test + clippy on aarch64
        run: |
          set -euo pipefail
          docker volume create "$CARGO_REGISTRY_VOLUME" > /dev/null
          docker volume create "$CARGO_TARGET_VOLUME" > /dev/null
          docker rm -f "$BUILD_CONTAINER" > /dev/null 2>&1 || true
          docker create --name "$BUILD_CONTAINER" -i \
            -e CARGO_TARGET_DIR=/target \
            -e CARGO_BUILD_JOBS=2 \
            -e CARGO_TERM_COLOR=never \
            -v "$CARGO_REGISTRY_VOLUME":/usr/local/cargo/registry \
            -v "$CARGO_TARGET_VOLUME":/target \
            -w /src \
            "$RUST_IMAGE" \
            sh -euxc 'mkdir -p /src && tar xzf - -C /src && cd /src \
              && apt-get update \
              && apt-get install -y --no-install-recommends pkg-config libssl-dev \
              && cargo test --locked \
              && cargo clippy --locked --all-targets -- -D warnings'
          tar czf - --exclude=./target --exclude=./.git --exclude=./.worktrees . \
            | docker start -a -i "$BUILD_CONTAINER"
          docker rm -f "$BUILD_CONTAINER" > /dev/null