update_dependencies.yml

name: Dependency Automation

on:
  repository_dispatch:
    types: [dependency_bump]

permissions:
  contents: write
  pull-requests: write

jobs:
  bump-dependencies:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Update swift-mlx dependencies
        if: ${{ github.event.client_payload.source_repo == 'mlx-swift' }}
        run: |
          echo "Bumping mlx-swift dependency to ${{ github.event.client_payload.new_tag }}"
          # In Package.swift we depend on branch main, but if we wanted to depend on a tag:
          # SwiftPM resolves "main" to the latest commit automatically, but updating the SPM resolved file ensures deterministic builds:
          swift package update mlx-swift

      - name: Update swift-mlx-lm dependencies
        if: ${{ github.event.client_payload.source_repo == 'mlx-swift-lm' }}
        run: |
          echo "Bumping local mlx-swift-lm submodule to ${{ github.event.client_payload.new_tag }}"
          git submodule update --remote mlx-swift-lm
          # Force the submodule onto the specific new release tag
          cd mlx-swift-lm
          git checkout ${{ github.event.client_payload.new_tag }}
          cd ..
          git add mlx-swift-lm

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v6
        with:
          token: ${{ secrets.SWIFTLM_PR_TOKEN }}
          commit-message: "chore(deps): bump ${{ github.event.client_payload.source_repo }} to ${{ github.event.client_payload.new_tag }}"
          title: "Update ${{ github.event.client_payload.source_repo }} Dependency to ${{ github.event.client_payload.new_tag }}"
          body: |
            Automated dependency update triggered by release `${{ github.event.client_payload.new_tag }}` in `SharpAI/${{ github.event.client_payload.source_repo }}`.
            
            This PR ensures SwiftLM is tracking the latest validated architectural improvements.
          branch: "auto-update/${{ github.event.client_payload.source_repo }}-${{ github.event.client_payload.new_tag }}"
          base: main