1 files changed, 14 insertions, 0 deletions
diff --git a/subplotlib/src/steplibrary/datadir.rs b/subplotlib/src/steplibrary/datadir.rs
index e6eadbe..5a344df 100644
--- a/subplotlib/src/steplibrary/datadir.rs
+++ b/subplotlib/src/steplibrary/datadir.rs
@@ -5,6 +5,7 @@
 //! If you want to create files, run commands, etc. from your scenarios, you
 //! will likely be using them from within the datadir.
 
+use std::fmt::Debug;
 use std::fs::{File, OpenOptions};
 use std::path::{Component, Path, PathBuf};
 
@@ -23,10 +24,23 @@ pub struct Datadir {
     inner: Option<DatadirInner>,
 }
 
+#[derive(Debug)]
 pub struct DatadirInner {
     base: tempfile::TempDir,
 }
 
+impl Debug for Datadir {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match &self.inner {
+            Some(inner) => (inner as &dyn Debug).fmt(f),
+            None => f
+                .debug_struct("Datadir")
+                .field("inner", &self.inner)
+                .finish(),
+        }
+    }
+}
+
 impl ContextElement for Datadir {
     fn created(&mut self, scenario: &Scenario) {
         assert!(self.inner.is_none());