build.yml

name: Main workflow

on:
  pull_request:
  push:
  schedule:
    - cron: '5 11 * * *'

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        os:
          - macos-latest
          - ubuntu-latest

    runs-on: ${{ matrix.os }}

    steps:
      - name: Install dependencies (FUSE, attr)
        run: |
          if [ "$RUNNER_OS" = "Linux" ]; then
            sudo apt-get install fuse libfuse-dev pkg-config attr
          elif [ "$RUNNER_OS" = "macOS" ]; then
            brew install macfuse pkg-config
          else
            echo Unsupported RUNNER_OS=$RUNNER_OS
            exit 1
          fi

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Build ffs/pack/unpack and run unit tests
        run: |
          cargo build --verbose --all --release
          cargo test
        
      - name: Integration tests for ffs and pack/unpack (Linux)
        if: contains(matrix.os, 'ubuntu')
        run: PATH="$(pwd)/target/release:$PATH" ./run_tests.sh

      - name: Integration tests for pack/unpack only (macOS)
        if: contains(matrix.os, 'macos')
        run: PATH="$(pwd)/target/release:$PATH" ./run_tests.sh unpack
         
      - name: Upload macOS release build
        uses: actions/upload-artifact@v4
        if: contains(matrix.os, 'macos')
        with:
          name: ffs.macos
          path: |
              target/release/ffs
              target/release/pack
              target/release/unpack

      - name: Upload Linux release build
        uses: actions/upload-artifact@v4
        if: contains(matrix.os, 'ubuntu')
        with:
          name: ffs.linux
          path: |
              target/release/ffs
              target/release/pack
              target/release/unpack

  benchmarks:
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Install dependencies (FUSE, attr)
        run: |
          if [ "$RUNNER_OS" = "Linux" ]; then
            sudo apt-get install fuse libfuse-dev pkg-config attr
          else
            echo Unsupported RUNNER_OS=$RUNNER_OS
            exit 1
          fi

      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Download binaries
        uses: actions/download-artifact@v4

      - name: Install R
        uses: r-lib/actions/setup-r@v2
        
      - name: Benchmarks
        run: |
          Rscript -e "tries <- 0; while (!require('ggplot2') && tries < 3) { cat(sprintf('TRY %d\n', tries)); install.packages('ggplot2', repos = 'https://cloud.r-project.org/'); tries <- tries + 1; }"
          chmod +x $(pwd)/ffs.linux/ffs
          PATH="$(pwd)/ffs.linux:$PATH" FFS="$(pwd)/ffs.linux/ffs" ./run_bench.sh -n 3
          # grab latest directory (output of run_bench)
          DATADIR=bench/$(ls -ct bench/ | head -n 1)
          [ -d $DATADIR ] && ls $DATADIR | grep log >/dev/null || { echo "No log files found in $DATADIR. What's going on?"; tree bench; exit 1; }
          mkdir data
          for x in $DATADIR/*
          do
            mv $x data/${x##*_}
          done

      - name: Upload Linux benchmark data
        uses: actions/upload-artifact@v4
        if: contains(matrix.os, 'ubuntu')
        with:
          name: benchmarks.linux
          path: data            
      
  prerelease:
    needs: build
    runs-on: ubuntu-latest
    if: ${{ github.ref == 'refs/heads/main' }}
      
    steps:
      - name: Download binaries
        uses: actions/download-artifact@v4

      - name: Rename binaries
        run: |
          mkdir ffs
          mv ffs.linux/ffs    ffs/ffs.linux
          mv ffs.linux/pack   ffs/pack.linux
          mv ffs.linux/unpack ffs/unpack.linux
          if [ -d ffs.macos ]
          then
            mv ffs.macos/ffs    ffs/ffs.macos
            mv ffs.macos/pack   ffs/pack.macos
            mv ffs.macos/unpack ffs/unpack.macos
          else
            echo "macOS is disabled 😢"
          fi
  
      - name: Deploy 'latest' release
        uses: "marvinpinto/action-automatic-releases@latest"
        with:
          repo_token: "${{ secrets.GITHUB_TOKEN }}"
          automatic_release_tag: "latest"
          prerelease: true
          title: "Latest development build"
          files: |
            ffs/ffs.*
            ffs/pack.*
            ffs/unpack.*