name: Snap Package

on:
  workflow_dispatch:
  push:
    branches:
      - master
      - staging

jobs:
  build-snap:
    name: Build snap
    strategy:
      matrix:
        runs-on: [ubuntu-latest, ubuntu-24.04-arm]
    runs-on: ${{ matrix.runs-on }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Prepare snapcraft project
        run: |
          grade=devel
          if [ "${{ github.ref_name }}" = "master" ]; then
            grade=stable
          fi

          mkdir -p snap
          sed "s/SNAP_GRADE/$grade/" .packaging/snaps/snapcraft.yaml > snap/snapcraft.yaml

      - name: Build snap package
        id: build
        uses: snapcore/action-build@v1
        with:
          path: .

      - name: Show snap package
        run: find . -maxdepth 1 -name "*.snap" -ls

      - name: Upload snap artifact
        uses: actions/upload-artifact@v6
        with:
          name: grin-snap
          path: "*.snap"
          if-no-files-found: error