diff --git a/src/delete.rs b/src/delete.rs
index 6419066..73b82cb 100644
--- a/src/delete.rs
+++ b/src/delete.rs
@@ -27,6 +27,11 @@ use futures::{
 async fn process_single(state: Arc<state::State>, path: impl AsRef<Path>) -> eyre::Result<()>
 {
     let path = path.as_ref();
+    #[cfg(debug_assertions)] {
+	if !path.is_file() {
+	    panic!("process_single() expected a file, but {:?} is not one.", path);
+	}
+    }
     let _g = state.lock().await;
     debug!("{:?} Processing", path);
     Ok(())
@@ -38,6 +43,13 @@ where F: FnMut(fs::DirEntry) -> Fut + Clone + 'static + Send + Sync,
       T: Send + 'static,
       Fut: Future<Output= T> + Send + Sync,
 {
+    #[cfg(debug_assertions)] {
+	let path = path.as_ref();
+	if !path.is_dir() {
+	    panic!("walk_dir() expected a directory, but {:?} is not one.", path);
+	}
+    }
+    trace!("{:?} Spawning children", path.as_ref());
     async move {
 	let se_path = || format!("{:?}", path.as_ref()).header("Path was");
 	let mut dir = fs::read_dir(&path).await
@@ -51,15 +63,16 @@ where F: FnMut(fs::DirEntry) -> Fut + Clone + 'static + Send + Sync,
 	{
 	    let path = entry.path();
 	    if path.is_dir() {
+		
 		workers.push(tokio::spawn(walk_dir(path, output.clone())));
 	    } else if path.is_file() {
 		voutput.push(output(entry).await);
 	    }
 	}
 	voutput.extend(future::join_all(workers)
-		       .map(|x| x.into_iter().filter_map(Result::ok).flatten())
-		       .await
-		       .into_iter()
+		       .map(|x| x.into_iter()
+			    .filter_map(Result::ok).flatten())
+		       .await.into_iter()
 		       .flatten());
 	Ok(voutput)
     }.boxed()
@@ -73,7 +86,6 @@ pub async fn process(state: Arc<state::State>, path: impl AsRef<Path>) -> eyre::
     let path = path.as_ref();
     let se_path = || format!("{:?}", path).header("Path was");
     if path.is_dir() {
-	trace!("{:?} Spawning children", path);
 	for res in  walk_dir(path.to_owned(), move |file| process_single(Arc::clone(&state), file.path())).await?
 	    .into_iter()
 	    .filter_map(Result::err)
diff --git a/src/main.rs b/src/main.rs
index faced7e..dd4e91b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -58,10 +58,8 @@ fn install() -> eyre::Result<()>
     Ok(())
 }
 
-/// Process a path for deletion
-///
-/// Currently a mock impl
-async fn process(state: Arc<state::State>, file: String)
+/// Currently a mock impl for process
+async fn process_mock(state: Arc<state::State>, file: String)
 {
     let config = state.config();
     let _g = state.lock().await;
@@ -76,6 +74,14 @@ async fn process(state: Arc<state::State>, file: String)
 	     .with_suggestion(|| "Are you sure this database location is correct"));
 }
 
+async fn process(state: Arc<state::State>, file: String) -> eyre::Result<()>
+{
+    delete::process(state, &file).await
+        .wrap_err(eyre!("Processing failed"))
+	.with_section(move || file.header("Path was"))?;
+    Ok(())
+}
+
 async fn validate_config(config: config::Config) -> eyre::Result<config::Config>
 {
     config.validate().await