Method delete_change

atomic-repository/src/changestore/mod.rs:484–512

Delete a change from disk and the cache. # Arguments `hash` - The hash of the change to delete # Returns `true` if the change was deleted, `false` if it didn't exist. # Errors Returns an error if the file exists but cannot be deleted. # Example ```rust,ignore if store.delete_change(&hash)? { println!("Change deleted"); } else { println!("Change didn't exist"); } ```

(&self, hash: &Hash)

    /// }
    /// ```
    pub fn delete_change(&self, hash: &Hash) -> ChangeStoreResult<bool> {
        // Remove from cache
        if let Ok(mut cache) = self.cache.write() {
            cache.remove(hash);
        }

        // Remove from disk
        let path = self.change_path(hash);

        if !path.exists() {
            return Ok(false);
        }

        fs::remove_file(&path)?;

        // Try to remove the parent directory if it's empty
        // This is best-effort; we don't care if it fails
        if let Some(parent) = path.parent() {
            let _ = fs::remove_dir(parent);
        }

        log::debug!(
            "Deleted change {} from {}",
            hash.to_base32(),
            path.display()
        );

        Ok(true)
    }

    /// Iterate over all change hashes stored on disk.
    ///