test: testing jinx PR tester CI

[maze88]

not to merge - mock/demo/test only!

[greptile-apps]

Greptile Summary

This is a test/demo PR (explicitly marked "not to merge") that extends the CI workflow to support running on GitHub-hosted runners (ubuntu-latest) for pull-request/* branches managed by the NVIDIA copy-pr-bot, in addition to the existing self-hosted runner path. The main workflow changes split the former publish flag into publish_bundle and publish_chart, with Helm charts now also published on PR branches for testing purposes.

Confidence Score: 5/5

PR is explicitly not intended to merge; only a minor NGC CLI version downgrade warrants attention.

All findings are P2. The CI logic changes (conditional runners, skipped steps, split publish flags) are internally consistent and correctly guarded. The only notable anomaly is the NGC CLI version downgrade, which is a style/quality concern rather than a defect.

.github/workflows/ci.yaml — review the NGC CLI version downgrade (3.160.1 → 3.160.0) before any real merge.

Important Files Changed

Filename	Overview
.github/workflows/ci.yaml	Adds conditional runner selection and step skipping for pull-request/* branches, splits publish into publish_bundle/publish_chart (chart also published on PR branches), and includes a minor NGC CLI version downgrade (3.160.1 → 3.160.0).
.github/copy-pr-bot.yaml	Adds a documentation comment pointing to the copy-pr-bot configuration reference — trivial, no issues.
README.md	Inserts a test artifact line (foobar (testing PR CI!)...) into the public README — not intended to merge per the PR description.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Push Event] --> B{Branch type?}
    B -->|pull-request/N| C[runs-on: ubuntu-latest]
    B -->|master / v*.x / tag| D[runs-on: linux-amd64-cpu4]

    C --> E[docker-build-push\nskip setup-go-proxy\nskip buildkitd-config]
    D --> F[docker-build-push\nsetup-go-proxy\nbuildkitd-config]

    E --> G{publish_bundle?}
    F --> G
    E --> H{publish_chart?}
    F --> H

    G -->|master or tag| I[ocp-bundle job]
    H -->|master, tag, OR pull-request/*| J[helm-package-publish\nNGC CLI 3.160.0\npublish to nvstaging]

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_{Reviews (5): Last reviewed commit: "Merge branch 'build-image-and-chart-on-p..." | Re-trigger Greptile}