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feat(r-verify): re-implement verify_audit_hash.R as dependency-free Base-R utility - #787

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fderuiter merged 1 commit into
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jules/base-r-audit-verification-js0-13afd8bf-6e84-4555-b2fc-4e94554bad1c
Aug 13, 2026
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feat(r-verify): re-implement verify_audit_hash.R as dependency-free Base-R utility#787
fderuiter merged 1 commit into
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jules/base-r-audit-verification-js0-13afd8bf-6e84-4555-b2fc-4e94554bad1c

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Re-implement scripts/verify_audit_hash.R in Dependency-Free Base-R

Description

This pull request transitions scripts/verify_audit_hash.R from relying on third-party libraries (jsonlite and digest) and dynamically downloading them at runtime to a fully native, zero-dependency, pure Base-R utility. This successfully ensures complete compatibility with offline clinical biostatistician research setups and avoids CI timeouts and network socket calls.

Technical Achievements

  • Custom Tokenizer & Parser: Built a standard JSON tokenizer (gregexpr + regex pattern) and recursive descent parser (parse_json()) in native R. It maintains explicit data structure mapping and serializes logically typed booleans as true or false rather than numeric floats.
  • Alphabetical Key Sorting & Formatting: Keys are sorted alphabetically and all numeric values are recursively normalized to exactly 10 decimal places.
  • Deterministic Serialization: Created a deterministic JSON stringifier (to_json()) that accurately reproduces the Python and TypeScript serialization.
  • Piped Cryptographic Commands: Computes the SHA-256 hash by writing the string to a temporary file via writeBin (ensuring byte-perfect output) and piping directly into host OS native cryptographic utilities (sha256sum, shasum, openssl for Linux/macOS and powershell/certutil for Windows).
  • Offline Compliance & Portability: Completely eliminated network requirements, package installers, and local .Rlibs pollution.
  • Robust Self-Test & Exit Codes: Preserves standard self-test logic and exits with status code 0 on successful verification and 1 on failure.

All code and linters pass perfectly.

@google-labs-jules
google-labs-jules Bot requested a review from fderuiter as a code owner August 13, 2026 11:58
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@fderuiter

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  1. Assess and Synchronize the Base State:
    1. Analyze: Before initiating any integration, you must confirm your local working environment is safe. If you have unsaved changes, switching branches could result in data loss. Furthermore, rebasing against an outdated main defeats the purpose of the operation; you must establish the absolute latest "truth" from the remote repository.
    2. Execute: Run git status to ensure a clean working tree. If clean, run git checkout main followed by git pull origin main.
    3. Verify: Read the terminal output to confirm main successfully fast-forwarded and no local file locks prevented the update.

  2. Prepare the Feature Branch for History Rewriting:
    1. Analyze: You must now switch back to your specific context. By commanding a rebase, you are instructing Git to temporarily remove your feature's commits, update the branch's foundation to match the new main, and sequentially replay your work on top. You must mentally prepare for the fact that this process may halt if Git cannot automatically reconcile your logic with the new base.
    2. Execute: Run git checkout <your-feature-branch>, then run git rebase main.
    3. Verify: Observe the terminal output. Does it say "Successfully rebased" or "Merge conflict"? This determines your immediate next action.

  3. Analyze, Synthesize, or Remake: The critical evaluation and decision phase.
    1. Analyze: If Git suspends the operation due to conflicts, you must first assess the scale of the divergence. Ask yourself: What was the logical intent of the main branch's change, and does my feature still fit into this new reality? If the underlying architecture of main has shifted so drastically that your feature's foundation is invalidated, recognize that you do not have to force a broken integration. It is completely acceptable—and often safer—to essentially remake the Pull Request to accommodate the new paradigm.
    2. Execute:

  • If remaking the PR: Run git rebase --abort. Check out a fresh branch from main, and manually rebuild or cherry-pick your logic to align with the new architecture.
  • If proceeding: Leverage a modern IDE or visual merge tool to open the flagged files. Critically evaluate the logic, meticulously synthesize the code to preserve overall functionality, and explicitly strip out the standard Git conflict markers (<<<<<<<, =======, >>>>>>>).
    3. Verify: Before closing the file, you must mentally (or physically via local linting/testing) run the code to ensure you haven't created a syntax error or broken the business logic during the synthesis.
  1. Confirm Resolution and Advance the Sequence:
    1. Analyze: Assuming you proceeded with the rebase and have saved the synthesized files, you must now explicitly inform Git that human intervention is complete for this specific commit. Staging the files acts as your confirmation mechanism. Only when the right files are staged can you safely instruct Git to resume its replay sequence.
    2. Execute: Run git status to see the modified files, stage them with git add ., and trigger the next phase with git rebase --continue.
    3. Verify: Check if Git applied the commit and moved to the next one, if it hit another conflict, or if the entire rebase process is now complete.

  2. Safely Override the Remote History: Preventing remote data loss.
    1. Analyze: Once the rebase has successfully completed locally, you have rewritten the commit history. Because of this, your local branch and the remote branch have completely diverged, and a standard push will be rejected. You must force the remote to accept your new history, but a blanket force push is dangerous. You must use a "lease" to ensure you only overwrite the remote if no one else has pushed new work to your feature branch while you were rebasing.
    2. Execute: Run git push origin <your-branch> --force-with-lease.
    3. Verify: Check the terminal output to confirm the push was accepted and the remote branch was successfully updated without rejecting the lease.

@google-labs-jules
google-labs-jules Bot force-pushed the jules/base-r-audit-verification-js0-13afd8bf-6e84-4555-b2fc-4e94554bad1c branch from 816ffa5 to 80b8720 Compare August 13, 2026 15:07
@google-labs-jules

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Hello @fderuiter,

I have successfully assessed, synchronized, rebased, and pushed the updated feature branch. Here is a brief summary of the completed steps and changes:

  1. Assessed & Synchronized Base State: Fetched and pulled the latest upstream main branch to establish the latest ground truth.
  2. Prepared Feature Branch & Rebased: Reset the local feature branch to match the remote branch state, and executed git rebase main.
  3. Analyzed & Synthesized Conflicts:Meticulously resolved the minor conflict in Validation_Traceability_Matrix.md by stripping the conflict markers and keeping the correct generated timestamp format.
  4. Confirmed Resolution: Staged the resolved file and resumed the rebase sequence with git rebase --continue to rewrite the branch history.
  5. Safely Overrode Remote History: Executed a safe force-push with lease (--force-with-lease) to update the remote branch.
  6. Verification & Testing: Ran the full test suite (pnpm run test:unit, pnpm run test:schema, and pnpm run lint) to guarantee that all unit tests, schema compliance validations, and style rules pass perfectly.

The PR is now fully up to date and in a clean mergeable state. Please let me know if there are any other changes you'd like!

@fderuiter
fderuiter merged commit fad9d2c into main Aug 13, 2026
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@fderuiter
fderuiter deleted the jules/base-r-audit-verification-js0-13afd8bf-6e84-4555-b2fc-4e94554bad1c branch August 13, 2026 18:44
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🎉 This PR is included in version 1.51.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

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