test-ubuntu-20.yaml

name: Test Ubuntu 20.04
on:
  push:
jobs:
  test-ubuntu-20:
    container:
      image: ubuntu:20.04
    runs-on: ubuntu-latest
    steps:
      - name: Install Git
        run: |
          apt-get update
          apt-get install -y --no-install-recommends \
            ca-certificates \
            git
      - name: Checkout
        uses: actions/checkout@v3.5.3
        with:
          path: package-sources
      - name: Checkout otp
        uses: actions/checkout@v3.5.3
        with:
          repository: erlang/otp
          ref: maint-25
          fetch-depth: 0
          path: erlang-sources
      - name: Build package
        run: |
          set -x

          if test -f /etc/debian_version; then
            dist_version=debian-$(cat /etc/debian_version)
          fi

          export DEBIAN_FRONTEND=noninteractive

          apt-get install -y tzdata

          echo "Europe/London" > /etc/timezone
          dpkg-reconfigure -f noninteractive tzdata

          apt-get install -y --no-install-recommends \
            build-essential \
            devscripts \
            equivs \
            gnupg \
            rsync

          apt-get install -y --no-install-recommends git-buildpackage

          cd erlang-sources

          cp -a ../package-sources/debian .

          branch=erlang-debian-package-by-rabbitmq
          version=$(git describe --tags --abbrev=10)
          case "$version" in
            OTP-*)
              version=$(echo "$version" | \
                sed -E \
                -e 's/^OTP-//' \
                -e 's/-/~/' \
                -e 's/-/./')
              ;;
            OTP_*)
              version=$(echo "$version" | \
                sed -E \
                -e 's/OTP_R([1-9]+)B0*([1-9]+)($|-([0-9]+))/\1.b.\2\3/' \
                -e 's/-/./')
              ;;
            *)
              exit 1
              ;;
          esac

          if test "$(git rev-parse HEAD)" = "$(git rev-parse master)"; then
            # If we are on the `master` branch of Erlang, the last tag doesn't
            # match the future version of Erlang. Let's construct the version from
            # the `OTP_VERSION` file.
            future_version=$(cat OTP_VERSION)
            future_version=${future_version%-*}
            version=$(echo "$version" | sed -E 's/([^~]+)/'"$future_version"'/')
          fi

          tag=upstream-tag-for-debian-package

          git rev-parse "$tag" -- >/dev/null 2>&1 || git tag "$tag"
          git checkout -b "$branch"

          # Remove non-free documentation.
          for fn in $(find lib/*/doc -name standard -or -name archive); do
            rm -rf "$fn"
          done

          # --------------------------------------------------------------------
          # Configure git-buildpackage.
          # --------------------------------------------------------------------

          cat > ~/.gbp.conf <<EOF
          [DEFAULT]
          upstream-tag = $tag
          EOF

          # --------------------------------------------------------------------
          # Build package.
          # --------------------------------------------------------------------

          mk-build-deps -i \
            -t 'apt-get -o Debug::pkgProblemResolver=yes --no-install-recommends -y'
          rm -f erlang-build-deps*

          gbp buildpackage \
            --git-ignore-new \
            --git-debian-branch="$branch" \
            --no-sign