name: Build the boxes

"on":
  workflow_dispatch:

jobs:
  collect:
    name: Discover distros
    runs-on: ubuntu-latest
    outputs:
      distros: ${{ steps.distros.outputs.distros }}
    steps:
      - uses: actions/checkout@v3
      - name: Discover boxes
        id: distros
        run: |-
          set -eo pipefail
          distros=$(ls distros/*.hcl{,.sh} | jq -cRs 'split("\n") | [ .[] | if length > 0 then . else empty end ]')
          echo "::set-output name=distros::${distros}"

  build:
    name: Build box
    runs-on: ubuntu-latest
    needs:
      - collect
    strategy:
      fail-fast: false
      matrix:
        distro: ${{ fromJson( needs.collect.outputs.distros ) }}
        needs_timeout:
          - distros/ubuntu-20.04-x86_64.pkrvars.hcl
    steps:
      - name: Checkout project
        uses: actions/checkout@v3
        with:
          submodules: recursive
      - uses: ./.github/actions/setup
        with:
          ansible: true
      - uses: ./.github/actions/install_packer
      - uses: greg-hellings/make-space@main
      - name: modify build timeouts, if necessary
        if: contains(matrix.needs_timeout, matrix.distro)
        shell: bash
        run: ./modify_timeout.sh "${{ matrix.distro }}"
      - name: Run generator, if necessary
        if: endsWith(matrix.distro, '.sh')
        run: "${{ matrix.distro }}"
      - name: try build
        shell: bash
        run: |
          set -e
          # Strip .sh if it is a dynamic one
          file="$(printf "${{ matrix.distro }}" | sed -E -e 's/^(.*).sh$/\1/')"
          # Add a retry in case something bogus like a network failure happens
          until packer build -var-file="${file}" -var "qemu_accelerator=tcg" -except=upload sources; do
            sleep 1
          done
        env:
          VAGRANT_CLOUD_TOKEN: ${{ secrets.VAGRANT_CLOUD_TOKEN }}
          PACKER_LOG: ${{ contains(matrix.needs_timeout, matrix.distro) && '1' || '0' }}