cix (Code Indexer) is a fast, lightweight command-line code search engine built in Rust. Powered by Tantivy, cix pre-indexes your source code using BM25 relevance scoring to deliver sub-millisecond full-text search results across local codebases.
Features
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BM25 Relevance Ranking: Search results are ranked by term frequency and relevance rather than dumped as unranked line matches.
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Incremental Indexing: Tracks file modification timestamps (mtime) to index only files that have changed since the last run.
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Duplicate-Safe Upserts: Uses exact-match path terms (delete_term) to update modified files without duplicating documents in the index.
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Persistent Disk Storage: Stores memory-mapped inverted indexes (MmapDirectory) on disk for instant subsequent lookups.
cix <search_query> <target_directory>
