on:
  push:
    branches:
      - dev

jobs:
  push-shaders:
    runs-on: windows-latest
    name: compile shaders and push to main
    steps:
      - uses: actions/checkout@v3
        with:
          # need history to make the merge work
          # possibly we can optimize this and set
          # allow-unrelated-histories on merge
          fetch-depth: 0
      - name: prepare repo for compilation
        run: |
          git fetch origin main
          git switch main
          git merge dev -m "merge from dev branch"
          git rm -r --ignore-unmatch piet-gpu/shader/gen
          mkdir piet-gpu/shader/gen
      - uses: ./.github/actions/shader
      - name: commit
        id: commit
        continue-on-error: true
        run: |
          git add piet-gpu/shader/gen
          git config user.name "Commit by GitHub Action"
          git config user.email "nobody@example.com"
          git commit -m "commit compiled shaders"
      - name: push
        if: steps.commit.outcome == 'success'
        run: |
          git show-ref
          git push origin main