EXCEEDS logo
Exceeds
Tomo

PROFILE

Tomo

Over a three-month period, this developer focused on modernizing and securing Nix-based package repositories, including NixOS/nixpkgs, raexera/nixpkgs, GaloisInc/nixpkgs, and srid/nixpkgs. They reorganized packaging structures to a by-name format, upgraded build tooling such as Gradle and Apache Ant, and removed obsolete or vulnerable packages to reduce maintenance overhead and security risk. Their work emphasized maintainability and governance by improving documentation, clarifying ownership, and automating updates. Using Nix, YAML, and shell scripting, they addressed system configuration, package management, and CI/CD workflows, ensuring downstream compatibility and aligning repository practices with long-term stability and security goals.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

35Total
Bugs
4
Commits
35
Features
10
Lines of code
3,318
Activity Months3

Your Network

828 people

Work History

October 2025

3 Commits • 1 Features

Oct 1, 2025

Month: 2025-10 — NixOS/nixpkgs. Concise monthly summary focusing on key accomplishments for 2025-10. Key features delivered include packaging reorganization: migrate omegat and rhino to a by-name structure to improve maintainability and discoverability (commits d0b5fc24a1c3714b277e47d6e0da71a8e3cd641e; adda1d78ebc05133d238a1137f7b809efcf679b3). Major bugs fixed include restoring out-of-tree JDK override for clojure; clojure now explicitly sets jdk = jdk21 in all-packages.nix while preserving the ability for external packages to provide their own JDK (commit dbd909b3f472f12395c799075d89462ad6831d80). Overall impact and accomplishments include improved downstream compatibility and maintainability, reduced path churn, and alignment with long-term stability goals for packaging. Technologies/skills demonstrated include Nix packaging best practices, by-name packaging structure, version-control discipline, and careful refactoring with attention to backward compatibility.

November 2024

16 Commits • 4 Features

Nov 1, 2024

November 2024 monthly summary for srid/nixpkgs: A security- and maintenance-focused sprint that reduces risk, simplifies maintenance, and improves governance. Key outcomes include deprecating and removing Oracle JDK/JRE components, pruning unmaintained packages, and delivering automated tooling enhancements across Gradle, Ant, and Java module management. These changes strengthen upgrade paths, documentation accuracy, and ownership clarity for Java-related work.

October 2024

16 Commits • 5 Features

Oct 1, 2024

October 2024 monthly summary: Delivered major packaging modernization and tooling upgrades across two nixpkgs repos, with a strong focus on maintainability, security, and build reliability. Standardizing packaging formats, upgrading build tooling, and clarifying governance for key hooks reduced maintenance overhead and lowered risk for downstream users.

Activity

Loading activity data...

Quality Metrics

Correctness98.4%
Maintainability98.4%
Architecture98.4%
Performance96.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

MarkdownNixYAML

Technical Skills

Build System ConfigurationBuild System ManagementBuild SystemsCI/CDCI/CD ConfigurationCode FormattingDevOpsDocumentationDocumentation ManagementGitHub ActionsNix ConfigurationNix LanguageNixpkgsPackage ManagementRelease Management

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

srid/nixpkgs

Nov 2024 Nov 2024
1 Month active

Languages Used

MarkdownNixYAML

Technical Skills

Build SystemsCI/CD ConfigurationCode FormattingDevOpsDocumentationGitHub Actions

raexera/nixpkgs

Oct 2024 Oct 2024
1 Month active

Languages Used

MarkdownNix

Technical Skills

Build System ConfigurationBuild System ManagementBuild SystemsCode FormattingDocumentationNix Language

GaloisInc/nixpkgs

Oct 2024 Oct 2024
1 Month active

Languages Used

MarkdownNix

Technical Skills

Build SystemsCI/CDDocumentationDocumentation ManagementNix ConfigurationPackage Management

NixOS/nixpkgs

Oct 2025 Oct 2025
1 Month active

Languages Used

Nix

Technical Skills

Package ManagementRepository OrganizationSystem AdministrationSystem Configuration