mirror_to_public.yaml

name: Mirror to Public Repository

on:
  push:
    branches:
      - main

# Serialize runs so rapid pushes don't race and overwrite each other's commits
concurrency:
  group: mirror-to-public

jobs:
  mirror-history:
    name: Mirror to History Branch
    runs-on: [tetra-ubuntu-2204, self-hosted]

    steps:
      - uses: actions/checkout@v6
        with:
          ref: main-history

      - name: Fetch triggering commit and extract metadata
        id: meta
        run: |
          git fetch origin ${{ github.sha }} --depth=1
          {
            echo "author_name=$(git log -1 ${{ github.sha }} --format='%an')"
            echo "author_email=$(git log -1 ${{ github.sha }} --format='%ae')"
            echo "author_date=$(git log -1 ${{ github.sha }} --format='%aI')"
            echo "committer_name=$(git log -1 ${{ github.sha }} --format='%cn')"
            echo "committer_email=$(git log -1 ${{ github.sha }} --format='%ce')"
            echo "committer_date=$(git log -1 ${{ github.sha }} --format='%cI')"
          } >> "$GITHUB_OUTPUT"
          # Message may be multiline; write to a file
          git log -1 ${{ github.sha }} --format='%B' > /tmp/commit_message.txt

      - name: Mirror to main-history branch
        env:
          GIT_AUTHOR_NAME: ${{ steps.meta.outputs.author_name }}
          GIT_AUTHOR_EMAIL: ${{ steps.meta.outputs.author_email }}
          GIT_AUTHOR_DATE: ${{ steps.meta.outputs.author_date }}
          GIT_COMMITTER_NAME: ${{ steps.meta.outputs.committer_name }}
          GIT_COMMITTER_EMAIL: ${{ steps.meta.outputs.committer_email }}
          GIT_COMMITTER_DATE: ${{ steps.meta.outputs.committer_date }}
        run: |
          # Replace the index with the triggering commit's tree
          git read-tree --reset ${{ github.sha }}
          if git diff --cached --quiet HEAD; then
            echo "No changes to commit"
          else
            git commit -F /tmp/commit_message.txt
            git push origin HEAD:main-history -f
          fi

  mirror-public:
    name: Push to Public Repo
    runs-on: [tetra-ubuntu-2204, self-hosted]

    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Push commit to public repo main
        env:
          GH_TOKEN: ${{ secrets.PROD_GH_TOKEN }}
        run: |
          git config --local credential.helper '!f() { echo "username=x-access-token"; echo "password=$GH_TOKEN"; }; f'
          git remote add public https://github.com/qualcomm/ai-hub-models.git
          git push public HEAD:main -f