Notes about GitHub Actions

Add comment to pull request

• https://docs.github.com/en/rest/pulls/pulls?apiVersion=2022-11-28#get-a-pull-request
• third-party actions to check
  • https://github.com/marketplace/actions/comment-pr
  • https://github.com/marketplace/actions/create-or-update-comment
• get the PR number
  • https://www.google.com/search?q=github+script+variable+for+pull+request+number
  • https://stackoverflow.com/questions/59077079/how-to-get-pull-request-number-within-github-actions-workflow
• 2022 and newer blogs
  • https://github.blog/changelog/2023-04-11-commenting-on-files-in-a-pull-request-is-now-generally-available/
  • https://jacobtomlinson.dev/posts/2022/commenting-on-pull-requests-with-github-actions/
  • https://pet2cattle.com/2022/12/github-action-add-comment
  • https://ootips.org/yonat/add-pr-line-comment-from-github-actions/
  • https://www.google.com/search?q=github+script+add+comment+to+pull_request
• other links
  • https://stackoverflow.com/questions/59077079/how-to-get-pull-request-number-within-github-actions-workflow
  • https://stackoverflow.com/questions/70929443/how-to-create-an-automatic-github-comment-based-on-the-pull-request-title
  • https://dev.to/zirkelc/trigger-github-workflow-for-comment-on-pull-request-45l2
  • https://stackoverflow.com/questions/75079250/how-to-trigger-new-job-by-comment-in-pull-request-for-github-actions

using conditionals in workflows

• https://samanpavel.medium.com/github-actions-conditional-job-execution-e6aa363d2867
• https://thomasthornton.cloud/2023/08/11/if-elseif-or-else-in-github-actions/

Failing/preventing a pull request without checks being passed

• Use an if to check for a specific label (or wildcard label)
  • https://www.google.com/search?q=github+actions+fail+pull+request+check
  • https://stackoverflow.com/questions/58654530/how-to-auto-reject-a-pull-request-if-tests-are-failing-github-actions
  • Example using conditional from https://stackoverflow.com/questions/61770694/trigger-github-action-on-merge-of-pull-request-with-specific-tag
    • if: contains(github.event.pull_request.labels.*.name, 'Update')
    • https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#example-using-an-array
  • https://stackoverflow.com/questions/68554735/github-action-status-check-missing-from-the-list-of-checks-in-protected-branch-s/68613319#68613319

Creating a composite action

• https://docs.github.com/en/actions/creating-actions/creating-a-composite-action

Creating actions with Python

• https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
• https://www.google.com/search?q=run+github+action+with+python
• https://shipyard.build/blog/your-first-python-github-action/

Creating a Docker container action

• https://docs.github.com/en/actions/creating-actions/creating-a-docker-container-action