ascheman opened a new pull request, #13079:
URL: https://github.com/apache/maven/pull/13079
The `consolidate-caches` job reds the whole CI run when a transient GitHub
artifact-download flake hits its `Download Caches` step
(`actions/download-artifact`, ~2 GB of `cache-<os>*` per OS), even though the
entire build + IT matrix is green:
```
##[error]Unable to download artifact(s): … Artifact download failed after 5
retries.
```
The job's only real output — `Publish cache` — is already gated `if:
github.event_name != 'pull_request'`, so on a PR it downloads ~2 GB just to
discard it, and its sole failure mode is this flake.
This:
- **skips the job on `pull_request`** (`if: ${{ github.event_name !=
'pull_request' }}`) — no payoff there + saves the ~2 GB download per PR run;
- **`continue-on-error: true`** so on non-PR runs the flake never reds the
run — the consolidated cache is best-effort (the next run rebuilds it).
Discussed on Slack with @sjaranowski and @cstamas (both OK with the
approach). Example failing run:
https://github.com/apache/maven/actions/runs/34209185905
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