name: Solaris Multi-Build

on:
  push:
    branches:
      - master
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - host: 172.16.11.20   # Solaris 2.6 i386
            osver: "2.6"
            arch: "i386"
          # - host: 172.16.11.21 # Solaris 2.6 sparc
          #   osver: "2.6"
          #   arch: "sparc"
          # - host: 172.16.11.22 # Solaris 7 i386
          #   osver: "7"
          #   arch: "i386"
          # - host: 172.16.11.23 # Solaris 7 sparc
          #   osver: "7"
          #   arch: "sparc"
          # Add more hosts for each Solaris version / architecture

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Build binutils on Solaris ${{ matrix.osver }} ${{ matrix.arch }}
        uses: appleboy/ssh-action@master
        with:
          host: ${{ matrix.host }}
          username: root
          key: ${{ secrets.BUILD_SSH_KEY }}
          script: |
            set -e

            # --- Solaris-compatible host-level lock ---
            LOCKDIR="/tmp/build-host.lock"
            while ! mkdir "$LOCKDIR" 2>/dev/null; do
                echo "Another build is running on this host. Waiting..."
                sleep 10
            done
            echo "Acquired host lock, starting build..."

            # Ensure lock is removed on exit
            trap "rmdir '$LOCKDIR'" EXIT

            echo "=== Updating sources on Solaris ${{ matrix.osver }} ==="
            cd /usr/src/buildpkg && git pull
            cd /usr/src/dbpware-for-solaris && git pull

            export BUILDPKG_SCRIPTS=/usr/src/buildpkg/
            export BUILDPKG_BASE=/usr/src/dbpware-for-solaris/

            # Define build order (other packages commented out)
            BUILD_ORDER=(
              binutils
              # gcc
              # gmake
              # coreutils
              # add more packages in build order
            )

            for pkg in "${BUILD_ORDER[@]}"; do
              echo "=== Checking $pkg ==="
              cd "$BUILDPKG_BASE/$pkg"

              # Parse basic fields from build.sh using GNU grep
              topdir=$(ggrep -E '^topdir=' build.sh | cut -d= -f2)
              version=$(ggrep -E '^version=' build.sh | cut -d= -f2)
              pkgver=$(ggrep -E '^pkgver=' build.sh | cut -d= -f2)
              secname="$topdir"

              # Skip build if package already exists
              PKGFILE=$(ls -1 ${secname}-${version}-${pkgver}.dbp*.gz 2>/dev/null | head -n1 || true)
              if [ -n "$PKGFILE" ]; then
                echo "Package already built: $PKGFILE. Skipping."
                continue
              fi

              echo "=== Building $pkg on Solaris ${{ matrix.osver }} ${{ matrix.arch }} ==="
              LOGFILE=$(bash build.sh all 2>&1 | tee /tmp/build-$pkg.log | ggrep -oE '[^ ]+\.log' | gtail -n1)

              if [ -n "$LOGFILE" ] && [ -f "$LOGFILE" ]; then
                  echo "Tailing logfile: $LOGFILE"
                  gtail -f "$LOGFILE" &
                  TAIL_PID=$!
              else
                  echo "ERROR: No logfile detected for $pkg"
                  exit 1
              fi

              wait -n
              EXIT_CODE=$?
              kill $TAIL_PID || true

              if [ $EXIT_CODE -eq 0 ]; then
                  echo "Build succeeded for $pkg, deleting logfile."
                  rm -f "$LOGFILE" || true
              else
                  echo "Build FAILED for $pkg, keeping logfile: $LOGFILE"
                  exit $EXIT_CODE
              fi

              echo "=== Finished $pkg ==="
            done