diff --git a/crates/core/tests/snapshots/integration__backup-dir-summary-first-nix.snap b/crates/core/tests/snapshots/integration__backup-dir-summary-first-nix.snap
new file mode 100644
index 00000000..6d981dbd
--- /dev/null
+++ b/crates/core/tests/snapshots/integration__backup-dir-summary-first-nix.snap
@@ -0,0 +1,29 @@
+---
+source: crates/core/tests/integration.rs
+expression: TestSummary(&first_snapshot)
+---
+TestSnap {
+    hostname: "",
+    paths: StringList(
+        [
+            "test",
+        ],
+    ),
+    label: "",
+    tags: StringList(
+        [],
+    ),
+    files_new: 73,
+    files_changed: 0,
+    files_unmodified: 0,
+    total_files_processed: 73,
+    total_bytes_processed: 1125674,
+    dirs_new: 5,
+    dirs_changed: 0,
+    dirs_unmodified: 0,
+    total_dirs_processed: 5,
+    data_blobs: 70,
+    tree_blobs: 5,
+    data_added_files: 1125653,
+    data_added_files_packed: 78740,
+}
diff --git a/crates/core/tests/snapshots/integration__backup-tar-summary-first-nix.snap b/crates/core/tests/snapshots/integration__backup-tar-summary-first-nix.snap
new file mode 100644
index 00000000..fbf264a3
--- /dev/null
+++ b/crates/core/tests/snapshots/integration__backup-tar-summary-first-nix.snap
@@ -0,0 +1,29 @@
+---
+source: crates/core/tests/integration.rs
+expression: TestSummary(&first_snapshot)
+---
+TestSnap {
+    hostname: "",
+    paths: StringList(
+        [
+            "test",
+        ],
+    ),
+    label: "",
+    tags: StringList(
+        [],
+    ),
+    files_new: 73,
+    files_changed: 0,
+    files_unmodified: 0,
+    total_files_processed: 73,
+    total_bytes_processed: 1125674,
+    dirs_new: 6,
+    dirs_changed: 0,
+    dirs_unmodified: 0,
+    total_dirs_processed: 6,
+    data_blobs: 70,
+    tree_blobs: 6,
+    data_added_files: 1125653,
+    data_added_files_packed: 78740,
+}
diff --git a/crates/core/tests/snapshots/integration__dryrun-tar-summary-first-nix.snap b/crates/core/tests/snapshots/integration__dryrun-tar-summary-first-nix.snap
new file mode 100644
index 00000000..5663f447
--- /dev/null
+++ b/crates/core/tests/snapshots/integration__dryrun-tar-summary-first-nix.snap
@@ -0,0 +1,29 @@
+---
+source: crates/core/tests/integration.rs
+expression: TestSummary(&snap_dry_run)
+---
+TestSnap {
+    hostname: "",
+    paths: StringList(
+        [
+            "test",
+        ],
+    ),
+    label: "",
+    tags: StringList(
+        [],
+    ),
+    files_new: 73,
+    files_changed: 0,
+    files_unmodified: 0,
+    total_files_processed: 73,
+    total_bytes_processed: 1125674,
+    dirs_new: 6,
+    dirs_changed: 0,
+    dirs_unmodified: 0,
+    total_dirs_processed: 6,
+    data_blobs: 70,
+    tree_blobs: 6,
+    data_added_files: 1125653,
+    data_added_files_packed: 78740,
+}