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kimura wataru

PROFILE

Kimura Wataru

Worked on the macports/macports-ports repository, focusing on package management, security patching, and maintainership for Ruby and related tooling. Delivered patch-level upgrades and security fixes across multiple Ruby versions, addressing vulnerabilities such as CVE-2026-41316 while maintaining compatibility and stability for downstream users. Upgraded build and coverage tools like lcov, modernized dependencies, and streamlined configuration management to reduce maintenance risk and improve CI reliability. Used languages including Perl, Ruby, and Shell to implement updates, manage Portfiles, and ensure traceable, reproducible changes. Maintained clear ownership of ports, supporting ongoing ecosystem reliability through disciplined version control and targeted remediation efforts.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

8Total
Bugs
3
Commits
8
Features
3
Lines of code
180
Activity Months5

Work History

May 2026

2 Commits • 2 Features

May 1, 2026

May 2026 — macports/macports-ports: Governance maintenance and dependency modernization delivered to improve stability, security, and maintainability. No major bugs fixed in this period. Key outcomes: reduced maintenance risk by removing departed maintainer from the mas Portfile; security and compatibility improvements via Ruby 4.0.4 upgrade.

April 2026

1 Commits

Apr 1, 2026

April 2026 monthly summary focusing on security remediation and stability for the macports/macports-ports repository. Key feature delivered: security patch update to Ruby 4.0.3 to address CVE-2026-41316 with an updated Portfile patch version. Major bug fix: vulnerability remediation scoped to the Ruby runtime (lang/ruby40) with minimal regression risk. Overall impact: improves security posture for MacPorts users and downstream ports while preserving compatibility and stability. Technologies/skills demonstrated: patch management, versioning discipline, security incident response, commit traceability, and Portfile maintenance.

July 2025

3 Commits

Jul 1, 2025

July 2025 monthly summary for macports/macports-ports focusing on Ruby port maintenance and security updates. Delivered patch-level upgrades across Ruby versions with security fixes, improving security posture and downstream stability. Consolidated maintenance across Ruby ports to ensure consistent patch levels and compatibility, enabling safer downstream deployments. All changes are traceable via explicit commits in the repository, aiding auditing and reproducibility.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025: Delivered LCOV tooling upgrade and configuration path handling improvements in macports/macports-ports. Upgraded lcov to version 2.3.1, added necessary Perl module dependencies, and simplified lcovrc path handling by removing unnecessary path rewriting. This reduces CI/test fragility, improves accuracy of coverage reports, and aligns the project with newer tooling.

May 2025

1 Commits

May 1, 2025

Monthly summary for 2025-05 focused on patch-release maintenance for macports/macports-ports, delivering a Ruby 3.4 patch update and checksum refresh. No other feature work recorded this month.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

MakefilePerlRubyShellTcl

Technical Skills

Build System ManagementBuild SystemsPackage ManagementPerl PackagingPortingRuby developmentSecurity PatchingSoftware Updatesconfiguration managementmaintainershippackage managementsecurity updatesversion control

Repositories Contributed To

1 repo

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

macports/macports-ports

May 2025 May 2026
5 Months active

Languages Used

TclPerlShellMakefileRuby

Technical Skills

Package ManagementSoftware UpdatesBuild SystemsPerl PackagingBuild System ManagementPorting