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sqlite_graphrag/commands/
rename.rs

1//! Handler for the `rename` CLI subcommand.
2
3use crate::errors::AppError;
4use crate::i18n::errors_msg;
5use crate::output;
6use crate::output::JsonOutputFormat;
7use crate::paths::AppPaths;
8use crate::storage::connection::open_rw;
9use crate::storage::{memories, versions};
10use serde::Serialize;
11
12#[derive(clap::Args)]
13#[command(after_long_help = "EXAMPLES:\n  \
14    # Rename using two positional arguments (NAME NEW)\n  \
15    sqlite-graphrag rename onboarding welcome-guide\n\n  \
16    # Rename using the positional NAME + --new-name flag\n  \
17    sqlite-graphrag rename onboarding --new-name welcome-guide\n\n  \
18    # Rename using the named flag form\n  \
19    sqlite-graphrag rename --name onboarding --new-name welcome-guide\n\n  \
20    # Rename within a specific namespace\n  \
21    sqlite-graphrag rename onboarding welcome-guide --namespace my-project")]
22/// Rename args.
23pub struct RenameArgs {
24    /// Current memory name as a positional argument. Alternative to `--name` / `--old`.
25    #[arg(
26        value_name = "NAME",
27        conflicts_with = "name",
28        help = "Current memory name to rename; alternative to --name/--old"
29    )]
30    pub name_positional: Option<String>,
31    /// Current memory name. Also accepts the aliases `--old` and `--from` (since v1.0.35).
32    #[arg(long, alias = "old", alias = "from")]
33    pub name: Option<String>,
34    /// New memory name as a positional argument. Alternative to `--new-name`.
35    #[arg(
36        value_name = "NEW",
37        conflicts_with = "new_name",
38        help = "New memory name; alternative to --new-name/--new/--to"
39    )]
40    pub new_name_positional: Option<String>,
41    /// New memory name. Also accepts the aliases `--new` and `--to` (since v1.0.35).
42    #[arg(long, alias = "new", alias = "to")]
43    pub new_name: Option<String>,
44    #[arg(
45        long,
46        help = "Namespace (flag / XDG namespace.default / global)"
47    )]
48    /// Namespace scope.
49    pub namespace: Option<String>,
50    /// Optimistic locking: reject if the current updated_at does not match (exit 3).
51    #[arg(
52        long,
53        value_name = "EPOCH_OR_RFC3339",
54        value_parser = crate::parsers::parse_expected_updated_at,
55        long_help = "Optimistic lock: reject if updated_at does not match. \
56Accepts Unix epoch (e.g. 1700000000) or RFC 3339 (e.g. 2026-04-19T12:00:00Z)."
57    )]
58    pub expected_updated_at: Option<i64>,
59    /// Optional session ID used to trace the origin of the change.
60    #[arg(long, value_name = "UUID")]
61    pub session_id: Option<String>,
62    /// Output format.
63    #[arg(long, value_enum, default_value_t = JsonOutputFormat::Json)]
64    pub format: JsonOutputFormat,
65    /// Emit machine-readable JSON on stdout.
66    #[arg(long, hide = true, help = "No-op; JSON is always emitted on stdout")]
67    pub json: bool,
68    /// Path to the SQLite database file.
69    #[arg(long)]
70    pub db: Option<String>,
71}
72
73#[derive(Serialize)]
74struct RenameResponse {
75    memory_id: i64,
76    name: String,
77    action: &'static str,
78    version: i64,
79    /// Set to `true` when a soft-deleted ghost occupying the target name was purged.
80    #[serde(skip_serializing_if = "Option::is_none")]
81    ghost_purged: Option<bool>,
82    /// Total execution time in milliseconds from handler start to serialisation.
83    elapsed_ms: u64,
84}
85
86/// Run.
87pub fn run(args: RenameArgs) -> Result<(), AppError> {
88    let inicio = std::time::Instant::now();
89    let _ = args.format;
90    tracing::debug!(target: "rename", old = ?args.name, new = ?args.new_name, "renaming memory");
91    use crate::constants::*;
92
93    // Resolve current name from positional or --name/--old flag.
94    let name = args.name_positional.or(args.name).ok_or_else(|| {
95        AppError::Validation(crate::i18n::validation::name_required_positional_or_flag())
96    })?;
97    let namespace = crate::namespace::resolve_namespace(args.namespace.as_deref())?;
98
99    let raw_new_name = args.new_name.or(args.new_name_positional).ok_or_else(|| {
100        AppError::Validation(
101            "new name required: pass as positional <NEW> or via --new-name/--new/--to".to_string(),
102        )
103    })?;
104
105    // v1.0.20: trim_matches('-') also removes trailing/leading hyphens.
106    let normalized_new_name = {
107        let lower = raw_new_name.to_lowercase().replace(['_', ' '], "-");
108        let trimmed = lower.trim_matches('-').to_string();
109        if trimmed != raw_new_name {
110            tracing::warn!(target: "rename",
111                original = %raw_new_name,
112                normalized = %trimmed,
113                "new_name auto-normalized to kebab-case"
114            );
115        }
116        trimmed
117    };
118
119    if normalized_new_name == name {
120        return Err(AppError::Validation(
121            "source and target names are identical".to_string(),
122        ));
123    }
124
125    if normalized_new_name.starts_with("__") {
126        return Err(AppError::Validation(
127            crate::i18n::validation::reserved_name(),
128        ));
129    }
130
131    if normalized_new_name.is_empty() || normalized_new_name.len() > MAX_MEMORY_NAME_LEN {
132        return Err(AppError::Validation(
133            crate::i18n::validation::new_name_length(MAX_MEMORY_NAME_LEN),
134        ));
135    }
136
137    {
138        let slug_re = crate::constants::name_slug_regex();
139        if !slug_re.is_match(&normalized_new_name) {
140            return Err(AppError::Validation(
141                crate::i18n::validation::new_name_kebab(&normalized_new_name),
142            ));
143        }
144    }
145
146    let paths = AppPaths::resolve(args.db.as_deref())?;
147    crate::storage::connection::ensure_db_ready(&paths)?;
148    let mut conn = open_rw(&paths.db)?;
149
150    let (memory_id, current_updated_at, _) = memories::find_by_name(&conn, &namespace, &name)?
151        .ok_or_else(|| AppError::NotFound(errors_msg::memory_not_found(&name, &namespace)))?;
152
153    if let Some(expected) = args.expected_updated_at {
154        if expected != current_updated_at {
155            return Err(AppError::Conflict(errors_msg::optimistic_lock_conflict(
156                expected,
157                current_updated_at,
158            )));
159        }
160    }
161
162    let row = memories::read_by_name(&conn, &namespace, &name)?
163        .ok_or_else(|| AppError::Internal(anyhow::anyhow!("memory not found before rename")))?;
164
165    let memory_type = row.memory_type.clone();
166    let description = row.description.clone();
167    let body = row.body.clone();
168    let metadata = row.metadata.clone();
169
170    let tx = conn.transaction_with_behavior(rusqlite::TransactionBehavior::Immediate)?;
171
172    // G16: auto-purge soft-deleted ghost occupying the target name
173    let mut ghost_purged: Option<bool> = None;
174    if let Some((ghost_id, is_deleted)) =
175        memories::find_by_name_any_state(&tx, &namespace, &normalized_new_name)?
176    {
177        if is_deleted {
178            tracing::info!(target: "rename",
179                ghost_id,
180                name = %normalized_new_name,
181                "auto-purging soft-deleted ghost to free target name for rename"
182            );
183            tx.execute(
184                "DELETE FROM memory_versions WHERE memory_id = ?1",
185                rusqlite::params![ghost_id],
186            )?;
187            tx.execute(
188                "DELETE FROM memory_chunks WHERE memory_id = ?1",
189                rusqlite::params![ghost_id],
190            )?;
191            tx.execute(
192                "DELETE FROM memory_entities WHERE memory_id = ?1",
193                rusqlite::params![ghost_id],
194            )?;
195            tx.execute(
196                "DELETE FROM vec_memories WHERE memory_id = ?1",
197                rusqlite::params![ghost_id],
198            )?;
199            tx.execute(
200                "DELETE FROM memories WHERE id = ?1",
201                rusqlite::params![ghost_id],
202            )?;
203            ghost_purged = Some(true);
204        } else if ghost_id != memory_id {
205            return Err(AppError::Duplicate(format!(
206                "target name '{normalized_new_name}' is already occupied by active memory id {ghost_id}"
207            )));
208        }
209    }
210
211    let affected = if let Some(ts) = args.expected_updated_at {
212        tx.execute(
213            "UPDATE memories SET name=?2 WHERE id=?1 AND updated_at=?3 AND deleted_at IS NULL",
214            rusqlite::params![memory_id, normalized_new_name, ts],
215        )?
216    } else {
217        tx.execute(
218            "UPDATE memories SET name=?2 WHERE id=?1 AND deleted_at IS NULL",
219            rusqlite::params![memory_id, normalized_new_name],
220        )?
221    };
222
223    if affected == 0 {
224        return Err(AppError::Conflict(
225            "optimistic lock conflict: memory was modified by another process".to_string(),
226        ));
227    }
228
229    let next_v = versions::next_version(&tx, memory_id)?;
230
231    versions::insert_version(
232        &tx,
233        memory_id,
234        next_v,
235        &normalized_new_name,
236        &memory_type,
237        &description,
238        &body,
239        &metadata,
240        None,
241        "rename",
242    )?;
243
244    memories::sync_fts_after_update(
245        &tx,
246        memory_id,
247        &name,
248        &description,
249        &body,
250        &normalized_new_name,
251        &description,
252        &body,
253    )?;
254
255    tx.commit()?;
256
257    conn.execute_batch("PRAGMA wal_checkpoint(TRUNCATE);")?;
258
259    output::emit_json(&RenameResponse {
260        memory_id,
261        name: normalized_new_name,
262        action: "renamed",
263        version: next_v,
264        ghost_purged,
265        elapsed_ms: inicio.elapsed().as_millis() as u64,
266    })?;
267
268    Ok(())
269}
270
271#[cfg(test)]
272mod tests {
273    use crate::storage::memories::{insert, NewMemory};
274    use tempfile::TempDir;
275
276    fn setup_db() -> (TempDir, rusqlite::Connection) {
277        crate::storage::connection::register_vec_extension();
278        let dir = TempDir::new().unwrap();
279        let db_path = dir.path().join("test.db");
280        let mut conn = rusqlite::Connection::open(&db_path).unwrap();
281        crate::migrations::runner().run(&mut conn).unwrap();
282        (dir, conn)
283    }
284
285    fn new_memory(name: &str) -> NewMemory {
286        NewMemory {
287            namespace: "global".to_string(),
288            name: name.to_string(),
289            memory_type: "user".to_string(),
290            description: "desc".to_string(),
291            body: "corpo".to_string(),
292            body_hash: format!("hash-{name}"),
293            session_id: None,
294            source: "agent".to_string(),
295            metadata: serde_json::json!({}),
296        }
297    }
298
299    #[test]
300    fn rejects_new_name_with_double_underscore_prefix() {
301        use crate::errors::AppError;
302        let (_dir, conn) = setup_db();
303        insert(&conn, &new_memory("mem-teste")).unwrap();
304        drop(conn);
305
306        let err = AppError::Validation(
307            "names and namespaces starting with __ are reserved for internal use".to_string(),
308        );
309        assert!(err.to_string().contains("__"));
310        assert_eq!(err.exit_code(), 1);
311    }
312
313    #[test]
314    fn rejects_rename_to_same_name() {
315        use crate::errors::AppError;
316        let err = AppError::Validation(crate::i18n::validation::source_target_names_identical());
317        assert_eq!(err.exit_code(), 1);
318        assert!(err.to_string().contains("identical"));
319    }
320
321    #[test]
322    fn optimistic_lock_conflict_returns_exit_3() {
323        use crate::errors::AppError;
324        let err = AppError::Conflict(
325            "optimistic lock conflict: expected updated_at=100, but current is 200".to_string(),
326        );
327        assert_eq!(err.exit_code(), 3);
328    }
329}