Function mark_directory_empty

atomic-repository/src/tracking/tree_ops.rs:178–194

Mark a directory as empty (no children). This is called when the last file is removed from a tracked directory. # Arguments `txn` - A mutable transaction `inode` - The directory's inode

(
    txn: &mut T,
    inode: Inode,
)

/// * `txn` - A mutable transaction
/// * `inode` - The directory's inode
pub fn mark_directory_empty<T: MutTxnT + TreeTxnT>(
    txn: &mut T,
    inode: Inode,
) -> TrackingResult<()> {
    if let Some(flags) = txn
        .get_directory_flags(inode)
        .map_err(|e| TrackingError::Database(e.to_string()))?
    {
        // Add the DIR_EMPTY flag
        let new_flags = flags | directory_flags::DIR_EMPTY;
        if new_flags != flags {
            txn.update_directory_flags(inode, new_flags)
                .map_err(|e| TrackingError::Database(e.to_string()))?;
        }
    }
    Ok(())
}

/// Remove a single file from tracking.
///