stlc-promote.yml

name: Promote SDKs

on:
  push:
    branches: [main]

permissions:
  contents: read

jobs:
  promote:
    runs-on: ubuntu-latest
    env:
      PRODUCTION_REPO: imagekit-developer/imagekit-java
      PRODUCTION_BRANCH: master
      GH_TOKEN: ${{ secrets.SDK_WRITE_TOKEN }}
    steps:
      - name: Check out staging
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Fetch production main
        run: |
          git remote add production \
            "https://x-access-token:${GH_TOKEN}@github.com/${PRODUCTION_REPO}.git"
          git fetch production "${PRODUCTION_BRANCH}"

      - name: Check if production is already in sync
        id: diff
        run: |
          STAGING_SHA=$(git rev-parse origin/main)
          PRODUCTION_SHA=$(git rev-parse production/${PRODUCTION_BRANCH})
          if [ "$STAGING_SHA" = "$PRODUCTION_SHA" ]; then
            echo "Production is already at $STAGING_SHA. Nothing to release."
            echo "synced=true" >> "$GITHUB_OUTPUT"
          else
            echo "synced=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Push staging main to the release branch on production
        if: steps.diff.outputs.synced == 'false'
        run: |
          git push production origin/main:refs/heads/stainless/release --force

      - name: Open or update the release PR on production
        if: steps.diff.outputs.synced == 'false'
        run: |
          EXISTING_PR=$(gh pr list \
            --repo "${PRODUCTION_REPO}" \
            --head stainless/release \
            --state open \
            --json number \
            --jq '.[0].number')
          if [ -z "${EXISTING_PR}" ]; then
            gh pr create \
              --repo "${PRODUCTION_REPO}" \
              --base "${PRODUCTION_BRANCH}" \
              --head stainless/release \
              --title "Release SDK updates" \
              --body "$(git log --oneline production/${PRODUCTION_BRANCH}..origin/main)"
          else
            echo "Release PR #${EXISTING_PR} already exists. Force-push has updated it."
          fi