397 lines
14 KiB
Rust
397 lines
14 KiB
Rust
//! Thin headless adapter around the shared local search engine.
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use std::path::PathBuf;
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use anyhow::{bail, Context, Result};
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use clap::{Parser, Subcommand};
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use searchi_core::metrics::{MetricsMode, SearchResponse, TraceCollector};
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use searchi_core::{IndexOptions, SearchIndex, SearchOptions};
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use searchi_service::HybridSearch;
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mod mcp;
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#[derive(Debug, Parser)]
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#[command(name = "searchi", version, about = "Search your local files offline")]
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struct Cli {
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#[command(subcommand)]
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command: Command,
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}
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#[derive(Debug, Subcommand)]
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enum Command {
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/// Serve read-only local agent tools over MCP stdio (no HTTP listener).
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Mcp {
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#[arg(long)]
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db: PathBuf,
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#[arg(long, requires = "embedding_worker")]
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model_dir: Option<PathBuf>,
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#[arg(long, requires = "model_dir")]
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embedding_worker: Option<PathBuf>,
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#[arg(long,default_value_t=1,value_parser=clap::value_parser!(u8).range(1..=8))]
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cpu_threads: u8,
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},
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/// Set up the required Google model in the default local cache.
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Setup {
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/// Override the platform-local model cache directory.
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#[arg(long)]
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model_dir: Option<PathBuf>,
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},
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/// Discover files and refresh an index for one folder.
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Index {
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/// SQLite index file; parent directory must exist.
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#[arg(long)]
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db: PathBuf,
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/// Folder to index recursively.
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#[arg(long)]
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root: PathBuf,
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/// Additional directory names to exclude; repeat this flag as needed.
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#[arg(long)]
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exclude: Vec<String>,
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},
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/// Search filenames and indexed document content.
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Search {
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#[arg(long)]
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db: PathBuf,
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/// Search text; quote phrases containing spaces in your shell.
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query: String,
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/// Maximum number of returned results (1–1000).
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#[arg(long, default_value_t = 20, value_parser = clap::value_parser!(u16).range(1..=1000))]
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limit: u16,
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/// Emit a JSON array for scripting.
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#[arg(long)]
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json: bool,
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/// Include basic measured statistics in JSON output.
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#[arg(long)]
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performance: bool,
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/// Include bounded granular stage timings and diagnostic counters.
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#[arg(long)]
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debug_performance: bool,
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/// Restrict results to this folder and descendants.
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#[arg(long)]
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folder: Option<PathBuf>,
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/// Search indexed source-code files only; supports symbols and semantic code queries.
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#[arg(long)]
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code_only: bool,
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/// File extension, with or without the leading dot.
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#[arg(long)]
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extension: Option<String>,
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#[arg(long)]
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min_size: Option<u64>,
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#[arg(long)]
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max_size: Option<u64>,
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/// Inclusive media duration limit in milliseconds.
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#[arg(long)]
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min_duration_ms: Option<u32>,
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#[arg(long)]
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max_duration_ms: Option<u32>,
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/// Inclusive modification time in Unix milliseconds.
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#[arg(long)]
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modified_after_ms: Option<i64>,
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#[arg(long)]
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modified_before_ms: Option<i64>,
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/// Enable hybrid search with explicitly provisioned local model assets.
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#[arg(long, requires = "embedding_worker")]
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model_dir: Option<PathBuf>,
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/// Local native Google embedding worker, required with --model-dir.
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#[arg(long, requires = "model_dir")]
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embedding_worker: Option<PathBuf>,
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#[arg(long, default_value_t = 1, value_parser = clap::value_parser!(u8).range(1..=8))]
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cpu_threads: u8,
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},
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/// Build a persistent semantic generation from already indexed passages.
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Embed {
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#[arg(long)]
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db: PathBuf,
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#[arg(long)]
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model_dir: PathBuf,
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#[arg(long)]
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embedding_worker: PathBuf,
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#[arg(long, default_value_t = 1, value_parser = clap::value_parser!(u8).range(1..=8))]
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cpu_threads: u8,
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/// Standalone decoder; normally discovered beside the installed CLI.
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#[arg(long, requires = "ffprobe")]
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ffmpeg: Option<PathBuf>,
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#[arg(long, requires = "ffmpeg")]
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ffprobe: Option<PathBuf>,
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/// Explicitly build only document vectors, without media.
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#[arg(long)]
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text_only: bool,
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},
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/// Show the indexed file and content counts.
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Stats {
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#[arg(long)]
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db: PathBuf,
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#[arg(long)]
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json: bool,
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},
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}
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fn main() -> Result<()> {
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match Cli::parse().command {
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Command::Mcp {
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db,
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model_dir,
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embedding_worker,
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cpu_threads,
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} => {
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require_existing_index(&db)?;
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mcp::serve(db, model_dir, embedding_worker, usize::from(cpu_threads))?;
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}
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Command::Setup { model_dir } => {
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let directory = model_dir
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.map(Ok)
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.unwrap_or_else(searchi_assets::default_model_directory)?;
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let progress = std::sync::atomic::AtomicU64::new(0);
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eprintln!("Setting up Google EmbeddingGemma 2; cached assets are reused (865 MB maximum download).");
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searchi_assets::provision(&directory, &progress)?;
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println!("Google model ready: {}", directory.display());
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}
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Command::Index { db, root, exclude } => {
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let mut options = IndexOptions::default();
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options.excluded_directory_names.extend(exclude);
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let mut index = SearchIndex::open(&db)
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.with_context(|| format!("Cannot open index {}", db.display()))?;
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let report = index
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.index_folder_with_options(&root, &options)
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.with_context(|| format!("Cannot index folder {}", root.display()))?;
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index
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.prewarm()
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.context("Cannot prepare search statistics")?;
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println!(
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"Discovered: {} Indexed: {} Unchanged: {} Removed: {} Skipped: {} Extraction failures: {}",
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report.discovered, report.indexed, report.unchanged, report.removed, report.skipped, report.failures
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);
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}
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Command::Search {
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db,
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query,
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limit,
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json,
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performance,
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debug_performance,
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folder,
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code_only,
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extension,
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min_size,
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max_size,
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min_duration_ms,
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max_duration_ms,
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modified_after_ms,
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modified_before_ms,
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model_dir,
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embedding_worker,
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cpu_threads,
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} => {
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if query.trim().is_empty() {
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bail!("Search text cannot be empty");
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}
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require_existing_index(&db)?;
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let options = SearchOptions {
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folder,
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code_only,
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extension,
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min_size,
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max_size,
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min_duration_ms,
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max_duration_ms,
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modified_after_unix_ms: modified_after_ms,
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modified_before_unix_ms: modified_before_ms,
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};
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let mut trace = TraceCollector::new(if debug_performance {
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MetricsMode::Debug
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} else {
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MetricsMode::Basic
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});
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let results = if let (Some(model), Some(runtime)) = (model_dir, embedding_worker) {
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let mut service = trace.timed("cli.session_initialize", None, |_, _| {
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HybridSearch::open_query(&db, model, runtime, usize::from(cpu_threads))
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})?;
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service
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.search_traced(&query, usize::from(limit), &options, &mut trace, None)
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.context("Hybrid search failed")?
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} else {
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let index = trace
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.timed("cli.index_open", None, |_, _| SearchIndex::open(&db))
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.with_context(|| format!("Cannot open index {}", db.display()))?;
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index
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.search_with_options_traced(
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&query,
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usize::from(limit),
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&options,
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&mut trace,
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None,
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)
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.context("Search failed")?
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};
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let response = SearchResponse {
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metrics: trace.finish(results.len()),
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results,
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};
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if json {
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if performance || debug_performance {
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println!("{}", serde_json::to_string_pretty(&response)?);
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} else {
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println!("{}", serde_json::to_string_pretty(&response.results)?);
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}
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} else if response.results.is_empty() {
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println!("No matching files.");
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} else {
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for result in &response.results {
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println!("{} [{}]", result.path, result.match_kind);
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if let Some(source) = &result.source {
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println!(" {} {}", source.kind, source.number);
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}
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if let Some(error) = &result.extraction_error {
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println!(" Text extraction unavailable: {error}");
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}
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if !result.snippet.is_empty() {
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println!(" {}", result.snippet.replace(['\r', '\n'], " "));
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}
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}
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}
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if !json {
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eprintln!(
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"{} results · {:.2} ms (includes CLI initialization)",
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response.metrics.result_count, response.metrics.total_ms
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);
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if debug_performance {
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eprintln!("{}", serde_json::to_string_pretty(&response.metrics)?);
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}
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}
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}
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Command::Embed {
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db,
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model_dir,
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embedding_worker,
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cpu_threads,
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ffmpeg,
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ffprobe,
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text_only,
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} => {
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require_existing_index(&db)?;
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let mut service =
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HybridSearch::open(&db, model_dir, embedding_worker, usize::from(cpu_threads))?;
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let report = if text_only {
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service.index_embeddings()
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} else {
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let tools = resolve_media_tools(ffmpeg, ffprobe)?;
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service
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.index_embeddings_with_media(&tools, &searchi_service::MediaLimits::default())
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}
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.context("Semantic indexing failed; prior generation remains active")?;
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println!("{}", serde_json::to_string_pretty(&report)?);
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}
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Command::Stats { db, json } => {
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require_existing_index(&db)?;
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let index = SearchIndex::open(&db)
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.with_context(|| format!("Cannot open index {}", db.display()))?;
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let stats = index.stats().context("Cannot read index statistics")?;
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if json {
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println!("{}", serde_json::to_string_pretty(&stats)?);
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} else {
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println!(
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"Files: {} Files with searchable content: {}",
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stats.files, stats.content_files
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);
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}
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}
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}
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Ok(())
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}
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fn resolve_media_tools(
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ffmpeg: Option<PathBuf>,
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ffprobe: Option<PathBuf>,
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) -> Result<searchi_service::FfmpegTools> {
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if let (Some(ffmpeg), Some(ffprobe)) = (ffmpeg, ffprobe) {
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return searchi_service::FfmpegTools::new(ffmpeg, ffprobe);
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}
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if let Some(tools) = searchi_service::FfmpegTools::from_environment()? {
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return Ok(tools);
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}
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let development =
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PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../.searchi/media-runtime/bin");
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let directory = if cfg!(debug_assertions) && development.is_dir() {
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development
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} else {
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std::env::current_exe()?
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.parent()
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.context("CLI installation directory is unavailable")?
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.join("media-runtime/bin")
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};
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searchi_service::FfmpegTools::new(
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directory.join(if cfg!(windows) { "ffmpeg.exe" } else { "ffmpeg" }),
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directory.join(if cfg!(windows) { "ffprobe.exe" } else { "ffprobe" }),
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).context("Media tools are missing from this installation; repair the headless package or explicitly use --text-only")
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}
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/// Read commands must not silently create a new empty database after a typo.
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fn require_existing_index(db: &std::path::Path) -> Result<()> {
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if !db.is_file() {
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bail!(
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"Index {} does not exist; run `searchi index --db <path> --root <folder>` first",
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db.display()
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);
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}
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Ok(())
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn rejects_zero_or_excessive_result_limits() {
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for limit in ["0", "1001"] {
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assert!(Cli::try_parse_from([
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"searchi", "search", "--db", "index.db", "hello", "--limit", limit
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])
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.is_err());
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}
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}
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#[test]
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fn requires_complete_semantic_configuration_and_bounded_cpu_budget() {
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assert!(Cli::try_parse_from([
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"searchi",
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"search",
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"--db",
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"index.db",
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"query",
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"--model-dir",
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"models"
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])
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.is_err());
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assert!(Cli::try_parse_from([
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"searchi",
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"search",
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"--db",
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"index.db",
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"query",
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"--cpu-threads",
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"0"
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])
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.is_err());
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}
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#[test]
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fn supports_json_search_and_quoted_query() {
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let cli = Cli::try_parse_from([
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"searchi",
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"search",
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"--db",
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"index.db",
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"termination clause",
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"--json",
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])
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.unwrap();
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assert!(matches!(
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cli.command,
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Command::Search {
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json: true,
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limit: 20,
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..
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}
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));
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}
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}
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