name: Rust Build Cache Test

on:
  push:
    branches:
      - main
      - master
  pull_request:

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: https://gitea.com/actions/checkout@v4

      - name: Get Cargo lock hash
        id: hash
        uses: https://gitea.com/actions/go-hashfiles@v0.0.1
        with:
          patterns: |
            Cargo.lock
            Cargo.toml

      - name: Cache cargo
        uses: https://gitea.com/actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: rust-${{ runner.os }}-${{ steps.hash.outputs.hash }}
          restore-keys: |
            rust-${{ runner.os }}-

      - name: Show cache info
        run: |
          echo "=== Cache Key ==="
          echo "rust-${{ runner.os }}-${{ steps.hash.outputs.hash }}"
          echo ""
          echo "=== Cargo cache directories ==="
          du -sh ~/.cargo/registry ~/.cargo/git target 2>/dev/null || echo "Dirs not yet present"
          echo ""
          echo "=== Cargo version ==="
          cargo --version

      - name: Build
        run: cargo build --verbose

      - name: Run
        run: cargo run

      - name: Check cache after build
        run: |
          echo "=== After build ==="
          echo "~/.cargo/registry: $(du -sh ~/.cargo/registry 2>/dev/null | cut -f1)"
          echo "~/.cargo/git: $(du -sh ~/.cargo/git 2>/dev/null | cut -f1)"
          echo "target: $(du -sh target 2>/dev/null | cut -f1)"