snap.yml

name: Snap

on:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]

concurrency:
  group: ${{ github.workflow }}-pr${{ github.event.number }}
  cancel-in-progress: true

jobs:
  arches:
    runs-on: ubuntu-latest
    outputs:
      arches: ${{ steps.get-arches.outputs.arches }}

    steps:
    - id: get-arches
      name: Determine which architectures to build for
      run: |
        ARCHES=( amd64 )
        if ${{ github.event_name == 'pull_request' && github.repository == github.event.pull_request.head.repo.full_name }}; then
          ARCHES+=( armhf arm64 )
        fi
        jq --compact-output --null-input '$ARGS.positional' --args -- "${ARCHES[@]}" | awk '{ print "arches=" $0 }' >> $GITHUB_OUTPUT

  mir-libs:
    needs: [arches]
    runs-on: ubuntu-latest

    timeout-minutes: 360

    strategy:
      fail-fast: false
      matrix:
        architecture: ${{ fromJSON(needs.arches.outputs.arches) }}

    steps:
    - name: Check out code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0  # needed for version determination

    - name: Tweak the snapcraft.yaml
      run: |
        git config --global --add safe.directory $(pwd)
        sed -i 's@version: testing@version: '$(git describe)'@' snap/snapcraft.yaml

    - name: Build and publish the snap
      uses: canonical/actions/build-snap@release
      with:
        architecture: ${{ matrix.architecture }}
        snapcraft-token: ${{ secrets.SNAPCRAFT_TOKEN }}
        launchpad-credentials: ${{ secrets.LAUNCHPAD_CREDENTIALS }}
        launchpad-accept-public-upload: true
        publish: ${{ github.event_name == 'pull_request' && github.repository == github.event.pull_request.head.repo.full_name }}
        publish-channel: 24/edge/pr${{ github.event.number }}

  snap:
    # Only run if we have access to secrets.
    if: ${{ github.event_name == 'pull_request' && github.repository == github.event.pull_request.head.repo.full_name }}

    needs: [arches, mir-libs]

    runs-on: ubuntu-latest

    timeout-minutes: 60

    strategy:
      fail-fast: false
      matrix:
        snap:
        - canonical/mir-test-tools
        - canonical/confined-shell-wip
        - canonical/ubuntu-frame
        - Miriway/Miriway
        architecture: ${{ fromJSON(needs.arches.outputs.arches) }}
        include:
        - snap: canonical/mir-test-tools
          track: 24
        - snap: canonical/confined-shell-wip
          track: latest
        - snap: canonical/ubuntu-frame
          track: 24
        - snap: Miriway/Miriway
          track: latest
          review-opts: --allow-classic

    steps:
    - name: Check out code
      uses: actions/checkout@v4
      with:
        repository: ${{ matrix.snap }}
        ref: mir-libs-build
        fetch-depth: 0  # needed for version determination

    - name: Tweak the stage snap
      run: |
        sed -i 's@- mir-libs.*$@\0/pr${{ github.event.number }}@' snap/snapcraft.yaml

    - name: Build and publish the snap
      uses: canonical/actions/build-snap@release
      with:
        architecture: ${{ matrix.architecture }}
        review-opts: ${{ matrix.review-opts }}
        snapcraft-token: ${{ secrets.SNAPCRAFT_TOKEN }}
        launchpad-credentials: ${{ secrets.LAUNCHPAD_CREDENTIALS }}
        launchpad-accept-public-upload: true
        publish: true
        publish-channel: ${{ matrix.track }}/edge/mir-pr${{ github.event.number }}
        snapcraft-channel: ${{ matrix.snapcraft-channel || 'stable' }}