cron-unstable-build.yaml

---
name: Unstable build

on:
  workflow_dispatch:
    inputs:
      branch:
        description: The branch to create an unstable release for/from.
        type: string
        default: master
        required: true

  # Run nightly build at this time, bit of trial and error but this seems good.
  schedule:
    - cron: "0 6 * * *" # master build
    - cron: "0 12 * * *" # 3.0 build
    - cron: "0 18 * * *" # 3.1 build

# We do not want a new unstable build to run whilst we are releasing the current unstable build.
concurrency: unstable-build-release

jobs:
  # This job provides this metadata for the other jobs to use.
  unstable-build-get-meta:
    name: Get metadata to add to build
    runs-on: ubuntu-latest
    environment: unstable
    outputs:
      date: ${{ steps.date.outputs.date }}
      branch: ${{ steps.branch.outputs.branch }}
    permissions:
      contents: none
    steps:
      # For cron builds, i.e. nightly, we provide date and time as extra parameter to distinguish them.
      - name: Get current date
        id: date
        run: echo "date=$(date '+%Y-%m-%d-%H_%M_%S')" >> $GITHUB_OUTPUT

      - name: Debug event output
        uses: hmarr/debug-action@v3

      # Now we need to determine which branch to build
      - name: Manual run - get branch
        if: github.event_name == 'workflow_dispatch'
        run: |
          echo "cron_branch=${{ github.event.inputs.branch }}" >> $GITHUB_ENV
        shell: bash

      - name: master run
        if: github.event_name == 'schedule' && github.event.schedule=='0 6 * * *'
        run: |
          echo "cron_branch=master" >> $GITHUB_ENV
        shell: bash

      - name: 3.0 run
        if: github.event_name == 'schedule' && github.event.schedule=='0 12 * * *'
        run: |
          echo "cron_branch=3.0" >> $GITHUB_ENV
        shell: bash

      - name: 3.1 run
        if: github.event_name == 'schedule' && github.event.schedule=='0 18 * * *'
        run: |
          echo "cron_branch=3.1" >> $GITHUB_ENV
        shell: bash

      - name: Output the branch to use
        id: branch
        run: |
          echo "$cron_branch"
          if [[ -z "$cron_branch" ]]; then
            echo "Unable to determine branch to use"
            exit 1
          fi
          echo "branch=$cron_branch" >> $GITHUB_OUTPUT
        shell: bash

  unstable-build-images:
    needs: unstable-build-get-meta
    uses: ./.github/workflows/call-build-images.yaml
    with:
      version: ${{ needs.unstable-build-get-meta.outputs.branch }}
      ref: ${{ needs.unstable-build-get-meta.outputs.branch }}
      registry: ghcr.io
      username: ${{ github.actor }}
      image: ${{ github.repository }}/unstable
      environment: unstable
      unstable: ${{ needs.unstable-build-get-meta.outputs.date }}
    secrets:
      token: ${{ secrets.GITHUB_TOKEN }}

  unstable-build-generate-matrix:
    name: unstable build matrix
    needs:
      - unstable-build-get-meta
    runs-on: ubuntu-latest
    outputs:
      build-matrix: ${{ steps.set-matrix.outputs.build-matrix }}
    environment: unstable
    permissions:
      contents: read
    steps:
      - name: Checkout repository, always latest for action
        uses: actions/checkout@v4

      # Set up the list of target to build so we can pass the JSON to the reusable job
      - uses: ./.github/actions/generate-package-build-matrix
        id: set-matrix
        with:
          ref: ${{ needs.unstable-build-get-meta.outputs.branch }}

  unstable-build-packages:
    needs:
      - unstable-build-get-meta
      - unstable-build-generate-matrix
    uses: ./.github/workflows/call-build-linux-packages.yaml
    with:
      version: ${{ needs.unstable-build-get-meta.outputs.branch }}
      ref: ${{ needs.unstable-build-get-meta.outputs.branch }}
      build_matrix: ${{ needs.unstable-build-generate-matrix.outputs.build-matrix }}
      environment: unstable
      unstable: ${{ needs.unstable-build-get-meta.outputs.date }}
    secrets:
      token: ${{ secrets.GITHUB_TOKEN }}

  unstable-build-windows-package:
    needs:
      - unstable-build-get-meta
    uses: ./.github/workflows/call-build-windows.yaml
    with:
      version: ${{ needs.unstable-build-get-meta.outputs.branch }}
      ref: ${{ needs.unstable-build-get-meta.outputs.branch }}
      environment: unstable
      unstable: ${{ needs.unstable-build-get-meta.outputs.date }}
    secrets:
      token: ${{ secrets.GITHUB_TOKEN }}

  unstable-build-macos-package:
    needs:
      - unstable-build-get-meta
    uses: ./.github/workflows/call-build-macos.yaml
    with:
      version: ${{ needs.unstable-build-get-meta.outputs.branch }}
      ref: ${{ needs.unstable-build-get-meta.outputs.branch }}
      environment: unstable
      unstable: ${{ needs.unstable-build-get-meta.outputs.date }}
    secrets:
      token: ${{ secrets.GITHUB_TOKEN }}

  # We already detain all artefacts as build output so just capture for an unstable release.
  # We make all of these on a separate repo to prevent notification spam.
  unstable-release:
    runs-on: ubuntu-latest
    needs:
      - unstable-build-get-meta
      - unstable-build-images
      - unstable-build-packages
      - unstable-build-windows-package
      - unstable-build-macos-package
    environment: unstable
    permissions:
      contents: read
    steps:
      # Required to make a release later
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Download all artefacts
        continue-on-error: true
        uses: actions/download-artifact@v4
        with:
          path: artifacts/

      - name: Single packages tar
        run: |
          mkdir -p release-upload
          # Optional JSON schema so ignore failure
          mv -f artifacts/*.json release-upload/ || true
          tar -czvf release-upload/packages-unstable-${{ needs.unstable-build-get-meta.outputs.branch }}.tar.gz -C artifacts/ .
        shell: bash

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pull containers as well (single arch only)
        # May not be any/valid so ignore errors
        continue-on-error: true
        run: |
          docker pull $IMAGE
          docker save --output container-${{ needs.unstable-build-get-meta.outputs.branch }}.tar $IMAGE
          docker pull $IMAGE-debug
          docker save --output container-${{ needs.unstable-build-get-meta.outputs.branch }}-debug.tar $IMAGE-debug
        shell: bash
        working-directory: release-upload
        env:
          IMAGE: ghcr.io/${{ github.repository }}/unstable:${{ needs.unstable-build-get-meta.outputs.branch }}

      - name: Display structure of files to upload
        run: ls -R
        working-directory: release-upload
        shell: bash

      - name: Remove any existing release
        continue-on-error: true
        run: gh release delete unstable-${{ needs.unstable-build-get-meta.outputs.branch }} --yes --repo ${{ secrets.RELEASE_REPO }}
        env:
          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        shell: bash

      - name: Create Release
        # Do not fail the job here
        continue-on-error: true
        run: gh release create unstable-${{ needs.unstable-build-get-meta.outputs.branch }} release-upload/*.* --repo ${{ secrets.RELEASE_REPO }} --generate-notes --prerelease --target ${{ needs.unstable-build-get-meta.outputs.branch }} --title "Nightly unstable ${{ needs.unstable-build-get-meta.outputs.branch }} build"
        env:
          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        shell: bash