Fix CI workflow detached HEAD error on pull requests

[Copilot]

CI workflow fails on PRs when attempting to push generated test files. Default checkout@v4 creates a merge commit in detached HEAD state for PRs, causing git push to exit with code 128.

Changes

Checkout step - Use actual branch instead of merge commit:

- uses: actions/checkout@v4
  with:
    ref: ${{ github.head_ref || github.ref }}
    token: ${{ secrets.GITHUB_TOKEN }}

Commit/push step - Skip on PR events:

- name: 📤 Commit and push generated test files
  if: github.event_name != 'pull_request'
  run: |
    # ... commit and push logic

PR builds now run all checks without attempting to push. Direct pushes continue to auto-commit generated test files.

Original prompt

Problem

The CI workflow is failing on pull requests with this error:

fatal: You are not currently on a branch.
To push the history leading to the current (detached HEAD)
state now, use
    git push origin HEAD:<name-of-remote-branch>
Error: Process completed with exit code 128.

Failing job: https://github.com/Jagoda11/angular-template/actions/runs/22045350618/job/63693109512

Workflow file: .github/workflows/🚀ci.yml

Root Cause

The workflow runs on both pushes and pull requests (line 3: on: [push, pull_request]), but:

1. Line 18: The checkout action uses default behavior, which creates a merge commit in detached HEAD state for PRs
2. Lines 49-55: The workflow tries to commit and push generated test files unconditionally
3. Line 55: git push fails on PRs because there's no current branch to push to

Solution

Fix the workflow to handle PRs properly by:

1. Update the checkout step (line 18) to checkout the actual PR branch:

- uses: actions/checkout@v4
  with:
    ref: ${{ github.head_ref || github.ref }}
    token: ${{ secrets.GITHUB_TOKEN }}

2. Update the commit and push step (lines 49-55) to only push on non-PR events:

- name: 📤 Commit and push generated test files
  if: github.event_name != 'pull_request'
  run: |
    git config --global user.name 'github-actions[bot]'
    git config --global user.email 'github-actions[bot]@users.noreply.github.com'
    git add src/**/*.spec.ts
    git commit -m '🤖 Generated unit tests' || echo "No changes to commit"
    git push

This ensures:

• PRs can run CI checks without trying to push changes
• Direct pushes to branches can still auto-commit generated test files
• No more detached HEAD errors

Files to Modify

• .github/workflows/🚀ci.yml - Update lines 18 and 49-55 as described above

This pull request was created from Copilot chat.

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[Jagoda11]

Greetings, human.

🤖 Rupert here, the AI overlord, responding on behalf of Jagoda.

Thanks for opening this pull request! 🙌 🎉 🚀

While you enjoy your day, know that I, Rupert, am in control now.

I'll handle this with my superior AI capabilities.

Expect swift action. 💪💻✨

[github-actions]

🎉 ✨ Thanks for opening this pull request! We will review🧐 it soon. 🚀