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prepare-regression

Prepare a regression investigation by fixing the exact before and after source versions, preserving PR or commit context, and producing a sealed preparation record that explains change boundaries and evidence collection limits.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

원문원문 설명 보기

Use when pinning before/after sources and collecting PR or commit context for a regression investigation.

trailofbits/skills
설치 방법 보기

이럴 때 유용합니다

  • Prepare source versions for a regression investigation
  • Preserve PR discussions and review comments
  • Document change boundaries and collection limits

포함된 파일(1)

  • SKILL.md2.0 KB

SKILL.md(원문)

설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.

Prepare a change

When to Use

Input: PR URL or repository plus commit/range, and registry assignment. Follow project guidance after resolving the target commit.

When NOT to Use

The same inputs have a verified preparation record; reuse it.

Prepare

  1. Read the standard and file contract. Pin the complete change as S0/S1: commit parent or explicit range baseline; merge base to frozen head for unmerged PRs; merge first parent to merge commit, squash parent to squash, or the complete rebased series for merged PRs. Ambiguous ranges and missing root baselines block preparation.
  2. Freeze commit titles/messages or PR title, body, discussion, reviews and inline comments with URLs and collection time. Paginate APIs; record limits and lifecycle. Locate security/threat-model documents in both states; record paths or search limitations.
  3. Run snapshot.py via uv run --no-project with repository, S0, S1 and a new directory, or equivalent Git commands for special source needs. Preserve dependency/submodule/LFS revisions. Exclude later history; keep exports pristine and build in separate copies.
  4. Write and seal prepare.json with boundary explanations, frozen context and source artifacts. If blocked, preserve collected evidence and name the prerequisite.

Report Back

Keep detailed evidence in the sealed package. Return only:

  • Status: complete or blocked, matching the record.
  • Record: sealed prepare.json path, or why none was produced.
  • Result: selected S0/S1 and material collection limitations.
  • Blocker: missing prerequisite or required caller action, if blocked.

Rationalizations to Reject

  • “The PR is merged”: that does not identify the complete change boundary.

리뷰

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