Unblock PR
One-line summary: Investigate a failing PR CI pipeline — attribute each failure as flaky, infra, or regression and propose a targeted action.
Requires: dd-pup skill (pup CLI installed and authenticated), dd-triage-flaky-test skill (for flaky failure deep investigation).
Input
| Parameter | Description |
|---|---|
| PR branch | The branch under investigation (e.g. my-feature-branch) |
| Repository | Lowercase, no-schema URL (e.g. github.com/org/repo). Derive from git remote get-url origin if not provided. |
Workflow
STEP 0 — Parse Input
Derive repository ID and default branch from git if not provided:
bash# Repository ID: fully lowercase, no-schema URL (the API rejects mixed-case) git remote get-url origin # Strip protocol and trailing .git, then lowercase the result # e.g. https://github.com/DataDog/my-repo.git → github.com/datadog/my-repo # Default branch git symbolic-ref refs/remotes/origin/HEAD # Strip refs/remotes/origin/ prefix — fall back to main if unset
STEP 1 — Get PR CI Summary (run both in parallel)
Pipeline failures (job level):
bashpup cicd events search \ --query "@ci.status:error @git.branch:<branch> @git.repository.id_v2:\"<repo>\"" \ --level job \ --from 24h \ --limit 50
Test failures:
bashpup cicd tests search \ --query "@test.status:fail @git.branch:<branch> @git.repository.id_v2:\"<repo>\"" \ --from 24h \ --limit 50
Run both queries in parallel. Collect all distinct @test.service values from test event results. If more than one distinct service is found, note each separately in the triage brief — do not collapse them into a single service filter. If pipeline results contain only infrastructure job types (build, lint, deploy) with no test-runner output, discard test search results and skip to STEP 3.
STEP 1.5 — Fetch Code Coverage (run in parallel with STEP 1)
This step runs unconditionally — coverage context is valuable whether CI is red or green.
The --repo value must be fully lowercase (the API rejects mixed-case). Normalize before calling:
bashrepo_lower=$(echo "<repo>" | tr '[:upper:]' '[:lower:]') pup code-coverage branch-summary \ --repo "$repo_lower" \ --branch "<branch>"
If the command returns no data or exits with an error, report "No data available" for Coverage in the PR Health section.
Note: Code quality and security violation counts are not available in pup — those lines always show "No data available".
STEP 2 — Blame Guard per Failing Job
First check whether @error_classification.domain / @error_classification.type are present on job events from STEP 1 — if populated, use them as primary classification signals.
For each failing job where classification is still needed, run both checks in parallel:
Default branch check — was this job already failing before this PR?
bashpup cicd events aggregate \ --query "@ci.status:error @ci.job.name:\"<job>\" @git.branch:<default-branch> @git.repository.id_v2:\"<repo>\"" \ --compute count \ --from 24h
Blast radius check — is this job failing on other branches too?
bashpup cicd events aggregate \ --query "@ci.status:error @ci.job.name:\"<job>\" @git.repository.id_v2:\"<repo>\"" \ --compute count \ --group-by "@git.branch" \ --from 24h
Performance fallback: if the blast radius query is slow or times out, skip it and rely on the default branch check alone.
STEP 3 — Classify Each Failure
Priority order:
- If
@error_classification.domain/@error_classification.typepresent → use as primary signal - If test failure AND test appears in flaky tests with
flaky_test_state:active:
→ flakybashpup cicd flaky-tests search \ --query "flaky_test_state:active @test.name:\"<test-name>\" @git.repository.id_v2:\"<repo>\"" - Use blame guard results:
| Failing on default branch? | Failing on ≥3 other branches? | Classification |
|---|---|---|
| Yes | Yes | infra (pre-existing, widespread) |
| Yes | No | infra (pre-existing on default branch) |
| No | No | regression (introduced by this PR) |
| No | Yes | flaky (intermittent, cross-branch) |
| Insufficient data | — | unknown |
STEP 4 — Produce Triage Brief
One entry per failing job:
PR CI Triage Brief ================== Branch: <branch> Repo: <repo> Job: <job-name> Classification: <flaky | infra | regression | unknown> Evidence: <1 key data point — error message, pipeline count, or test result> Confidence: <high | medium | low> Recommended: <action> [repeat for each failing job] Overall: <N> failures — <e.g. "1 regression, 1 flaky, 1 infra"> PR Health ========= Coverage: <X>% on <branch> | No data available Quality: No data available Security: No data available
All three lines always appear.
STEP 5 — Propose Actions
regression → Prompt user to investigate their code changes. No write action available.
flaky → Load dd-triage-flaky-test skill for deep investigation. That skill will:
- Attempt an agent-native fix using
flaky_category+ stack trace - Propose quarantine via
pup test-optimization flaky-tests updateif a quick fix isn't possible
infra → Before proposing a retry, assess whether the failure is transient:
- Check
@error_classification.typeand error message for signals liketimeout,runner unavailable,network error,quota exceeded— these indicate transient failures where a retry is likely to help - If the error is deterministic (build misconfiguration, missing secret, explicit test assertion failure), a retry is unlikely to help — note this and suggest investigating the root cause
- If the failure is pre-existing on the default branch, inform the user — a retry will likely fail again; await the upstream fix instead
If transient and GitHub Actions: extract the run ID from @ci.pipeline.url (e.g. https://github.com/org/repo/actions/runs/<run_id>):
bashgh run rerun <run_id> --failed
For other providers, share @ci.pipeline.url and direct to the provider UI for retry.
unknown → Suggest checking raw job logs via the CI provider UI or @ci.pipeline.url from the pipeline event.


