microsoft/git
Dec 2024 – Feb 2025
2 Months active
Languages Used
CMakefileShell
Technical Skills
API DevelopmentGit InternalsPerformance OptimizationCommand Line Interface DevelopmentCommand-line Interface DevelopmentCommand-line Tool Development
Derrick Stolee
PROFILE
Derrick Stolee
Worked on the microsoft/git repository to deliver two core features focused on performance and efficiency for large-scale Git workflows. Developed a path-walk API enhancement in C and Shell, enabling filtering by object types such as commits, trees, and blobs, which reduced unnecessary callbacks and improved repository traversal efficiency. Later, implemented an experimental command-line tool for partial clone optimization, introducing a backfill command that fetches missing blob objects in configurable batches with sparse-checkout integration. Both features included comprehensive tests and documentation updates, demonstrating a methodical approach to API development, command-line interface design, and performance optimization within complex Git internals.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
6Total
Bugs
0
Commits
6
Features
2
Lines of code
791
Activity Months2
Your Network
952 peopleSame Organization
@github.com701
Amelia LivingstonMember
h0lybyteMember
Robin WilliamsMember
www-data (@LanguageStructure)Member
www-data (@LanguageStructure)Member
www-data (Aatlantise)Member
www-data (Abhishek-P)Member
Andy GerlicherMember
www-data (AngledLuffa)Member
Work History
February 2025
5 Commits • 1 Features
Feb 1, 2025February 2025 (repo: microsoft/git) focused on delivering an experimental Git backfill command to improve offline bootstrap for partial clones and overall network efficiency. The work establishes end-to-end workflows for fetching missing blob objects in batches, with configurable behavior and sparse-filtering options, laying groundwork for future delta compression improvements and more efficient data transfer.
5 Commits • 1 Features
Feb 1, 2025February 2025 (repo: microsoft/git) focused on delivering an experimental Git backfill command to improve offline bootstrap for partial clones and overall network efficiency. The work establishes end-to-end workflows for fetching missing blob objects in batches, with configurable behavior and sparse-filtering options, laying groundwork for future delta compression improvements and more efficient data transfer.
February 2025
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for microsoft/git: Delivered a focused performance improvement via Path-walk API filtering by object types, reducing unnecessary callbacks and improving efficiency when processing large repos. Implemented filtering for commits, trees, and blobs; updated core path-walk logic, added tests and documentation to reflect the new capability. Maintained stability with no reported major bugs; groundwork laid for further optimization.
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for microsoft/git: Delivered a focused performance improvement via Path-walk API filtering by object types, reducing unnecessary callbacks and improving efficiency when processing large repos. Implemented filtering for commits, trees, and blobs; updated core path-walk logic, added tests and documentation to reflect the new capability. Maintained stability with no reported major bugs; groundwork laid for further optimization.
Activity
Loading activity data...
Quality Metrics
Correctness93.4%
Maintainability90.0%
Architecture91.6%
Performance83.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
CMakefileShell
Technical Skills
API DevelopmentCommand Line Interface DevelopmentCommand-line Interface DevelopmentCommand-line Tool DevelopmentCommand-line toolsGitGit InternalsGit internalsPartial Clone OptimizationPartial CloningPerformance OptimizationPerformance optimizationSparse CheckoutTesting
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline