Function resolveReviewTarget

plugins/codex/scripts/lib/git.mjs:134–190

(cwd, options = {})

}

export function resolveReviewTarget(cwd, options = {}) {
  ensureGitRepository(cwd);

  const requestedScope = options.scope ?? "auto";
  const baseRef = options.base ?? null;
  const state = getWorkingTreeState(cwd);
  const supportedScopes = new Set(["auto", "working-tree", "branch"]);

  if (baseRef) {
    return {
      mode: "branch",
      label: `branch diff against ${baseRef}`,
      baseRef,
      explicit: true
    };
  }

  if (requestedScope === "working-tree") {
    return {
      mode: "working-tree",
      label: "working tree diff",
      explicit: true
    };
  }

  if (!supportedScopes.has(requestedScope)) {
    throw new Error(
      `Unsupported review scope "${requestedScope}". Use one of: auto, working-tree, branch, or pass --base <ref>.`
    );
  }

  if (requestedScope === "branch") {
    const detectedBase = detectDefaultBranch(cwd);
    return {
      mode: "branch",
      label: `branch diff against ${detectedBase}`,
      baseRef: detectedBase,
      explicit: true
    };
  }

  if (state.isDirty) {
    return {
      mode: "working-tree",
      label: "working tree diff",
      explicit: false
    };
  }

  const detectedBase = detectDefaultBranch(cwd);
  return {
    mode: "branch",
    label: `branch diff against ${detectedBase}`,
    baseRef: detectedBase,
    explicit: false
  };
}