{
  "slug": "jj-revsets-add-diff-lines-added-and-diff-lines-removed-116e8e4086c9",
  "title": "jj revsets add diff_lines_added() and diff_lines_removed()",
  "tools": [
    "jj"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-04-02T05:17:00.000Z",
  "announced_at": "2026-04-02T05:17:00.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When querying revisions for content changed on one side of a diff, use `diff_lines_added(text, [files])` for added lines or `diff_lines_removed(text, [files])` for removed lines.",
    "examples": [
      "jj log -r 'diff_lines_added(\"<pattern>\")'",
      "jj log -r 'diff_lines_removed(\"<pattern>\")'"
    ],
    "gotchas": [
      "Version: v0.40.0",
      "text (required): Line-by-line string pattern to match on the selected diff side.",
      "files: Fileset expression narrowing search paths; all modified files are scanned by default."
    ]
  },
  "why_it_matters": "Match added or removed content while querying revisions.",
  "sources": [
    "https://github.com/jj-vcs/jj/releases/tag/v0.40.0",
    "https://github.com/jj-vcs/jj/blob/v0.40.0/docs/revsets.md"
  ],
  "rank": 0.95023,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "wave1b-tools-20261017",
    "verdict_id": "wave1b-tools-20261017:wave1b-tools-20261017-34044c1addbb4b79-0:gate",
    "evidence_hash": "44e36299f6c057798e890ce5ef92d45dcdc47f6447415ad1f831fe92f52e9efb"
  },
  "review": {
    "draft_hash": "3df939788dd4ca52e172e7c7e8f4edc6b5f2fc813314ecb32071dd3a6fa57959",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "wave1b-tools-20261017:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.95 >= 0.9; 2 needed) and Jev gave 0.72 (>= 0.6 needed)."
  }
}