name: codegen

on: workflow_dispatch

jobs:
  codegen:
    runs-on: ubuntu-20.04

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: update libbpf
        working-directory: xtask/libbpf
        run: |
          set -e
          git fetch origin
          git checkout origin/HEAD
          echo "LIBBPF_SHA=$(git rev-parse HEAD)" >> $GITHUB_ENV

      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: rustfmt, clippy

      - uses: Swatinem/rust-cache@v2

      - name: Install headers
        run: |
          sudo apt -y update
          sudo apt -y install libelf-dev libc6-dev libc6-dev-{arm64,armel,riscv64,ppc64el,s390x,mips}-cross

      - name: Run codegen
        run: |
          cargo xtask codegen

      - name: Check for changes
        run: |
          git diff --quiet || echo "COMMIT_CHANGES=1" >> $GITHUB_ENV

      - name: Bless public API changes
        if: env.COMMIT_CHANGES == 1
        run: |
          cargo xtask public-api --bless

      - name: Commit Changes
        id: commit
        if: env.COMMIT_CHANGES == 1
        uses: devops-infra/action-commit-push@master
        with:
          github_token: "${{ secrets.CRABBY_GITHUB_TOKEN }}"
          commit_message: |
            chore(aya-obj, aya-ebpf-bindings): Regenerate bindings

            libbpf commit: ${{ env.LIBBPF_SHA }}

          target_branch: codegen
          force: true

      - name: Create pull request
        if: steps.commit.outputs.files_changed != ''
        uses: devops-infra/action-pull-request@master
        with:
          github_token: ${{ secrets.CRABBY_GITHUB_TOKEN }}
          body: |
            **Automated pull request**

            libbpf commit: ${{ env.LIBBPF_SHA }}

          title: "chore(aya-obj, aya-ebpf-bindings): Regenerate bindings"
          source_branch: codegen
          target_branch: main
          get_diff: true