Dupehound

v0.1.0 Feature

This release adds 4 notable features for engineering teams evaluating rollout.

Published 1mo Developer Productivity

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

ai cli code-quality developer-tools duplicate-detection rust

+2 more

static-analysis tree-sitter

Summary

AI summary

Dupehound finds near-duplicate functions across multiple languages and provides CI gating.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds dupehound tool to detect near-duplicate code across multiple languages. Adds dupehound tool to detect near-duplicate code across multiple languages. Source: llm_adapter@2026-06-15 Confidence: low	—
Feature	Low	Detects near-duplicate functions in TypeScript, TSX, JavaScript, Python, Rust, Go, Java, and Ruby. Detects near-duplicate functions in TypeScript, TSX, JavaScript, Python, Rust, Go, Java, and Ruby. Source: granite4.1:30b@2026-06-15-audit Confidence: low	—
Feature	Low	`dupehound scan` ranks duplicate clusters and computes a repository slop score. `dupehound scan` ranks duplicate clusters and computes a repository slop score. Source: granite4.1:30b@2026-06-15-audit Confidence: low	—
Feature	Low	`dupehound history` charts duplication trends across the git log. `dupehound history` charts duplication trends across the git log. Source: granite4.1:30b@2026-06-15-audit Confidence: low	—
Feature	Low	`dupehound check` can gate CI to prevent introducing duplicated code. `dupehound check` can gate CI to prevent introducing duplicated code. Source: granite4.1:30b@2026-06-15-audit Confidence: low	—
Feature	Low	Adds Ruby language support via community contribution. Adds Ruby language support via community contribution. Source: granite4.1:30b@2026-06-15-audit Confidence: low	—

Full changelog

First release. dupehound finds near-duplicate functions in TypeScript, TSX, JavaScript, Python, Rust, Go, Java and Ruby codebases: structural fingerprints catch copies even after every identifier was renamed.

dupehound scan ranks duplicate clusters and computes a repo slop score
dupehound history charts duplication across the git log
dupehound check gates CI when a change duplicates existing code

Install: cargo install dupehound or grab a binary below.

Thanks @paarothecoder for contributing Ruby support (#12), the first community-added language.

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