pin-hyprland.yml

name: "Pin hyprland version to hyprgrass-main (or specific rev)"
on:
  workflow_dispatch:
    inputs:
      hyprland_rev:
        description: 'Hyprland revision'
        required: true
        type: string
      hyprgrass_rev:
        description: 'Hyprgrass revision'
        required: false
        type: string
        default: 'main'
jobs:
  add-hyprpm-pin:
    runs-on: ubuntu-latest
    steps:
      - uses: cachix/install-nix-action@v22
        with:
          github_access_token: ${{ secrets.GITHUB_TOKEN }}
      - uses: actions/checkout@v4
        with:
          repository: 'hyprwm/Hyprland'
          ref: ${{ inputs.hyprland_rev }}
          path: hyprland

      - name: Get Hyprland commit SHA
        run: |
          pushd hyprland
          HYPRLAND_COMMIT=$(git rev-parse HEAD)
          echo "Commit SHA of hyprland revision '${{ inputs.hyprland_rev }}' is $HYPRLAND_COMMIT"
          echo "HYPRLAND_COMMIT=$HYPRLAND_COMMIT" >> $GITHUB_ENV
          popd

      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.hyprgrass_rev }}

      - name: Get Hyprland commit SHA
        run: |
          HYPRGRASS_COMMIT=$(git rev-parse HEAD)
          echo "Commit SHA of hyprgrass revision '${{ inputs.hyprgrass_rev }}' is $HYPRGRASS_COMMIT"
          echo "HYPRGRASS_COMMIT=$HYPRGRASS_COMMIT" >> $GITHUB_ENV

      - name: build and test hyprgrass
        run: |
          nix build .#hyprgrassWithTests \
          --override-input hyprland "${PWD}/hyprland" \
          --option extra-substituters https://hyprland.cachix.org \
          --option extra-trusted-public-keys hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=
      - name: update commit pin and create pr
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          if ! [ grep "$HYPRLAND_COMMIT" hyprpm.toml ]; do
            git config --global user.name "github-actions[bot]"
            git config --global user.email "github-actions[bot]@users.noreply.github.com"
            git checkout -b "pr-hyprpm-pin-$(date +'%Y%m%d%H%M%S')" main
            sed -i -e "/## DO NOT EDIT THIS LINE: auto-pin CI ##/i [\"$HYPRLAND_COMMIT\", \"$HYPRGRASS_COMMIT\"]" hyprpm.toml
            git add hyprpm.toml
            git commit -m 'ci: add hyprpm pin'
            gh pr create --title "Automated PR: Add hyprpm pin" \
                       --body "This PR was created by a GitHub Actions workflow." \
                       --base main \
                       --head feature-branch
          fi