name: Publish Sentry image to DockerHub
on:
  push:
    branches:
      - master
      - releases/**
jobs:
  publish-sentry:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
      - name: Pull the test image
        id: image_pull
        env:
          IMAGE_URL: us.gcr.io/sentryio/sentry:${{ github.sha }}
        shell: bash
        run: |
          echo "We poll for the Docker image that the GCB/GHA build produces until it succeeds or this job times out."
          echo "Polling for $IMAGE_URL"
          timeout 20m bash -c 'until docker pull "$IMAGE_URL" 2>/dev/null; do sleep 10; done'
      - name: Get short SHA for docker tag
        id: short_sha
        shell: bash
        run: |
          SHORT_SHA=$(git rev-parse --short "$GITHUB_SHA")
          if [[ -z "$SHORT_SHA" ]]; then
            echo "Short SHA empty? Re-running rev-parse."
            git rev-parse --short "$GITHUB_SHA"
          else
            echo "sha=$SHORT_SHA" >> $GITHUB_OUTPUT
          fi
      - name: Push built docker image
        shell: bash
        env:
          SHORT_SHA: ${{ steps.short_sha.outputs.sha }}
          IMAGE_URL: us.gcr.io/sentryio/sentry:${{ github.sha }}
        run: |
          # only login if the password is set
          if [[ "${{ secrets.DOCKER_HUB_RW_TOKEN }}" ]]; then echo "${{ secrets.DOCKER_HUB_RW_TOKEN }}" | docker login --username=sentrybuilder --password-stdin; fi
          # We push 3 tags to Dockerhub:
          # first, the full sha of the commit
          docker tag ${IMAGE_URL} getsentry/sentry:${GITHUB_SHA}
          docker push getsentry/sentry:${GITHUB_SHA}
          # second, the short sha of the commit
          docker tag ${IMAGE_URL} getsentry/sentry:${SHORT_SHA}
          docker push getsentry/sentry:${SHORT_SHA}
          # finally, nightly
          docker tag ${IMAGE_URL} getsentry/sentry:nightly
          docker push getsentry/sentry:nightly