Post action builds an image

[mnacharov]

Contributing guidelines

• I've read the contributing guidelines and wholeheartedly agree

I've found a bug, and:

• The documentation does not mention anything about my problem
• There are no open or closed issues that are related to my problem

Description

I have a workflow with concurrency enabled:

concurrency:
  group: push-${{ github.ref }}
  cancel-in-progress: true

The following push cancels the previous workflow. But the "post" from this action starts the build again:

So, the following workflow needs to wait until the "post" action finishes, which could take a really long time.

Expected behaviour

Post should only remove the secrets, not building the image

Actual behaviour

Image starts building in post action, blocking the following builds

Repository URL

No response

Workflow run URL

No response

YAML workflow

name: build
on: [push]
jobs:
  build:
    runs-on: my-arc-runners
    container:
      image: ghcr.io/bitdeps/actions-runner/images/alpine:3.21
    steps:
      - uses: actions/checkout@v7

      - name: Set up Buildx (remote)
        uses: docker/setup-buildx-action@v3
        with:
          driver: remote
          endpoint: tcp://buildkitd:1234

      - name: Login to registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build & push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

Workflow logs

No response

BuildKit logs

Additional info

No response