sem (Semantic Version Control)

Analyzes code changes at the semantic level — distinguishes meaningful behavioral modifications from cosmetic or stylistic changes.

Key Commands

sem diff HEAD~1              # Show semantic diff of last commit
sem diff --commit <hash>     # Show changes in a specific git commit
sem impact parseDate         # See what depends on a changed function
sem impact parseDate --tests # See tests affected by entity changes

Understanding Output

Changes are marked with symbols: