Sem: Semantic Version Control CLI for Entity-Level Code Analysis
By
pabs3
Fresh out the oven, still warm. Top of the tray.
Summary
Sem is a semantic version control CLI tool that provides entity-level analysis of code changes instead of traditional line-based diffs. It analyzes functions, methods, and classes across 21 programming languages using tree-sitter parsers. The tool offers features like entity-level diff with rename detection, cross-file dependency graphs to show impact of changes, and entity-level blame tracking. It works in any Git repository without setup and can also analyze arbitrary files outside of Git.
Key quotes
· 5 pulledInstead of lines changed, sem tells you what entities changed: functions, methods, classes.
Entity-level diff with rename detection, structural hashing, and word-level inline highlights.
Cross-file dependency graph shows what breaks if an entity changes.
Entity-level blame showing who last modified each function, class, or method.
Works in any Git repo. No setup required. Also works outside Git for arbitrary file comparison.
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