Avoid creating review dirs for ledger reads

code-rs/core/src/review_coord.rs

@@ -29,6 +29,13 @@ fn state_dir() -> std::io::Result<PathBuf> {
     Ok(dir)
 }
 
+fn state_dir_path() -> std::io::Result<PathBuf> {
+    let mut dir = crate::config::find_code_home()?;
+    dir.push("state");
+    dir.push("review");
+    Ok(dir)
+}
+
 fn scoped_dir(scope: Option<&Path>) -> std::io::Result<PathBuf> {
     let mut dir = state_dir()?;
     if let Some(scope) = scope {
@@ -42,10 +49,26 @@ fn scoped_dir(scope: Option<&Path>) -> std::io::Result<PathBuf> {
     Ok(dir)
 }
 
+fn scoped_dir_path(scope: Option<&Path>) -> std::io::Result<PathBuf> {
+    let mut dir = state_dir_path()?;
+    if let Some(scope) = scope {
+        let normalized_scope = scope
+            .canonicalize()
+            .unwrap_or_else(|_| scope.to_path_buf());
+        let key = crc32fast::hash(normalized_scope.to_string_lossy().as_bytes());
+        dir.push(format!("repo-{key:08x}"));
+    }
+    Ok(dir)
+}
+
 pub fn scoped_review_state_dir(scope: &Path) -> std::io::Result<PathBuf> {
     scoped_dir(Some(scope))
 }
 
+pub fn scoped_review_state_dir_path(scope: &Path) -> std::io::Result<PathBuf> {
+    scoped_dir_path(Some(scope))
+}
+
 fn epoch_path(scope: Option<&Path>) -> std::io::Result<PathBuf> {
     let mut dir = scoped_dir(scope)?;
     dir.push(EPOCH_FILENAME);

code-rs/core/src/review_store.rs

@@ -1,5 +1,6 @@
 use crate::protocol::ReviewOutputEvent;
 use crate::review_coord::scoped_review_state_dir;
+use crate::review_coord::scoped_review_state_dir_path;
 use serde::{Deserialize, Serialize};
 use std::collections::BTreeMap;
 use std::fs;
@@ -255,7 +256,7 @@ impl AutoReviewRunStore {
     }
 
     pub fn open_existing(scope: &Path) -> io::Result<Option<Self>> {
-        let root = auto_review_dir(scope)?;
+        let root = auto_review_dir_path(scope)?;
         if !root.exists() {
             return Ok(None);
         }
@@ -412,6 +413,10 @@ pub fn auto_review_dir(scope: &Path) -> io::Result<PathBuf> {
     Ok(scoped_review_state_dir(scope)?.join(AUTO_REVIEW_DIR))
 }
 
+pub fn auto_review_dir_path(scope: &Path) -> io::Result<PathBuf> {
+    Ok(scoped_review_state_dir_path(scope)?.join(AUTO_REVIEW_DIR))
+}
+
 fn read_runs_file(path: &Path) -> io::Result<BTreeMap<Uuid, AutoReviewRun>> {
     if !path.exists() {
         return Ok(BTreeMap::new());
@@ -1068,7 +1073,8 @@ mod tests {
 
         let store = AutoReviewRunStore::open_existing(repo.path()).unwrap();
         assert!(store.is_none());
-        assert!(!auto_review_dir(repo.path()).unwrap().exists());
+        assert!(!auto_review_dir_path(repo.path()).unwrap().exists());
+        assert!(!code_home.path().join("state").join("review").exists());
     }
 
     #[test]