microsoft/git
May 2020 – Jan 2026
2 Months active
Languages Used
C
Technical Skills
C programmingPOSIX complianceWindows APIWindows developmentfile system managementsystem programming
Bill Zissimopoulos
PROFILE
Bill Zissimopoulos
Bill Zissimopoulos enhanced the microsoft/git repository by addressing long-standing inconsistencies in symlink size calculation across Windows, Cygwin, and WSL environments. He focused on the mingw_lstat implementation, updating it to compute symlink sizes accurately by reading reparse point data, thereby aligning with POSIX st_size semantics. Using C programming and the Windows API, Bill’s changes improved repository stability by preventing unnecessary index updates and reducing churn during operations like git reset. His work demonstrated a deep understanding of cross-platform file system management and system programming, resulting in more reliable Git operations and maintainable code across diverse development environments.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
28Total
Bugs
3
Commits
28
Features
0
Lines of code
2,193
Activity Months2
Your Network
250 peopleWork History
January 2026
1 Commits
Jan 1, 2026January 2026: Implemented a robust cross-environment fix for symlink size calculation in mingw_lstat (microsoft/git), improving index integrity and reducing churn across Windows, Cygwin, and WSL. The change reads reparse point data to compute exact symlink length, aligning with POSIX semantics and Git's historical handling.
1 Commits
Jan 1, 2026January 2026: Implemented a robust cross-environment fix for symlink size calculation in mingw_lstat (microsoft/git), improving index integrity and reducing churn across Windows, Cygwin, and WSL. The change reads reparse point data to compute exact symlink length, aligning with POSIX semantics and Git's historical handling.
January 2026
May 2020
27 Commits
May 1, 20202020-05 monthly summary for microsoft/git focusing on reliability and cross-platform consistency in symlink handling. Implemented POSIX-compliant symlink sizing by fixing mingw_lstat on Windows (MinGW), across a multi-commit sequence in May 2020. Resulted in more stable repository operations across Windows, Cygwin, and WSL.
May 2020
27 Commits
May 1, 20202020-05 monthly summary for microsoft/git focusing on reliability and cross-platform consistency in symlink handling. Implemented POSIX-compliant symlink sizing by fixing mingw_lstat on Windows (MinGW), across a multi-commit sequence in May 2020. Resulted in more stable repository operations across Windows, Cygwin, and WSL.
Activity
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Quality Metrics
Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
C programmingGit developmentPOSIX complianceWindows APIWindows developmentfile system managementsystem programming
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