EXCEEDS logo
Exceeds
jkachmar

PROFILE

Jkachmar

Worked on hmemcpy/nixpkgs and Shopify/nixpkgs, delivering five user-focused features over two months. Developed CLI autocompletion for the tcld tool, adding Bash and Zsh support through new scripts and packaging updates to streamline installation and onboarding. Enhanced project governance by updating maintainer and contributor records. In Shopify/nixpkgs, implemented Go modules-based packaging for Pyroscope, including metadata, version checks, and shell completions for multiple shells. Upgraded otel-desktop-viewer with Go workspace compatibility and embedded versioning, and improved tcld with ldflags-based version embedding and native install checks. Utilized Go, Bash, and Nix, emphasizing maintainability and developer productivity throughout the work.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

6Total
Bugs
0
Commits
6
Features
5
Lines of code
278
Activity Months2

Work History

June 2025

4 Commits • 3 Features

Jun 1, 2025

June 2025 – Shopify/nixpkgs: Focused packaging improvements across Pyroscope, otel-desktop-viewer, and Tcld. Implemented Go modules-based Pyroscope packaging with thorough metadata, version check, and shell completion; upgraded otel-desktop-viewer with Go workspace workaround and version embedding; updated Tcld with ldflags-based version/date embedding, post-fetch commit/date capture, native install checks, and refreshed package metadata. Addressed packaging review feedback and laid groundwork for future maintenance and reliability.

May 2025

2 Commits • 2 Features

May 1, 2025

May 2025 monthly work summary for hmemcpy/nixpkgs: Focused on delivering user-centric features and reinforcing project governance. Key deliverables include CLI autocompletion for tcld (bash and zsh) with new scripts, a config patch, and packaging updates; version 0.40.0 initialized. Administrative update adding maintainer jkachmar to Mercury Employees team and updating contributor records. These changes reduce manual CLI usage friction, improve onboarding for contributors, and strengthen project governance. Impact includes smoother installation and onboarding, enhanced developer productivity, and clearer ownership.

Activity

Loading activity data...

Quality Metrics

Correctness91.8%
Maintainability90.0%
Architecture90.0%
Performance83.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashGoNix

Technical Skills

Build SystemsCLI DevelopmentConfiguration ManagementDevOpsGo DevelopmentNixNix Package ManagementPackage ManagementShell Scripting

Repositories Contributed To

2 repos

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

Shopify/nixpkgs

Jun 2025 Jun 2025
1 Month active

Languages Used

Nix

Technical Skills

Build SystemsNixNix Package ManagementPackage ManagementShell Scripting

hmemcpy/nixpkgs

May 2025 May 2025
1 Month active

Languages Used

BashGoNix

Technical Skills

CLI DevelopmentConfiguration ManagementDevOpsGo DevelopmentNix Package ManagementShell Scripting