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Sjoerd Mullender

PROFILE

Sjoerd Mullender

Sjoerd contributed to the Homebrew ecosystem by maintaining and updating the MonetDB formula across the influxdata/homebrew-core and chenrui333/homebrew-core repositories. Over four months, Sjoerd delivered four feature updates, each focused on aligning the formula with the latest MonetDB releases by updating version numbers, source URLs, and SHA256 checksums. Using Ruby and package management best practices, Sjoerd ensured build integrity, reproducibility, and security for end users. The work emphasized traceable commits, manual review for automated bumps, and thorough validation of installation workflows, demonstrating a methodical approach to dependency management and release hygiene without introducing or fixing major bugs.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

4Total
Bugs
0
Commits
4
Features
4
Lines of code
18
Activity Months4

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary focused on feature delivery and maintenance for chenrui333/homebrew-core. Key deliverable this month: MonetDB formula updated to 11.55.3, with corresponding changes to source URL and SHA256 checksum, and autobump reason adjusted to require manual review. This work was implemented via a single commit in February (0225e85026cde6852a508120b92f2995d8ffe040).

December 2025

1 Commits • 1 Features

Dec 1, 2025

Month: 2025-12. Key accomplishment this month: delivered the MonetDB formula update to 11.55.1 for chenrui333/homebrew-core, updating the download URL and SHA256 checksum. This change is recorded in commit abb43f7f142ffe87d4994a17068dda98f7423944 with the message 'monetdb 11.55.1'. The update ensures users can install the latest MonetDB with verified integrity, strengthening security and reliability of the Homebrew ecosystem. No major bugs were reported or fixed this month; any minor validation issues were addressed during release testing. Overall impact: keeps the core formula current, reduces user friction, and maintains trust through proven checksum verification. Technologies/skills demonstrated: dependency maintenance, version pinning, checksum validation, release validation, and end-to-end formula testing.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025: Delivered an essential packaging upgrade for MonetDB in Homebrew-core by updating the MonetDB formula to version 11.53.15 and aligning the SHA256 checksum. This ensures users receive the latest stable improvements and security patches, maintains build integrity, and reduces drift between upstream releases and user installations.

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for influxdata/homebrew-core focusing on dependency maintenance and build integrity. Key feature delivered: MonetDB dependency updated to 11.53.13 with corresponding URL and SHA256 checksum updates; no changes to description or license. Minor risk surface addressed with verified metadata and traceable commits. No major bugs fixed in this period. Overall impact includes improved build reproducibility for Homebrew users and readiness for upcoming MonetDB-related features in the ecosystem.

Activity

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Quality Metrics

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

Skills & Technologies

Programming Languages

Ruby

Technical Skills

Formula ManagementHomebrewPackage ManagementRubypackage management

Repositories Contributed To

3 repos

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

chenrui333/homebrew-core

Dec 2025 Feb 2026
2 Months active

Languages Used

Ruby

Technical Skills

HomebrewRubypackage management

influxdata/homebrew-core

Sep 2025 Sep 2025
1 Month active

Languages Used

Ruby

Technical Skills

Formula ManagementPackage Management

Homebrew/homebrew-core

Nov 2025 Nov 2025
1 Month active

Languages Used

Ruby

Technical Skills

Rubypackage management