From a86ca113a147d3b1353b62084bb7e9b854cc5d70 Mon Sep 17 00:00:00 2001
From: Erik Desjardins <erikdesjardins@users.noreply.github.com>
Date: Sun, 10 Mar 2024 12:22:21 -0400
Subject: [PATCH] when printing binary stats diff, combine all unchanged rows
 into one

---
 collector/src/bin/collector.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/collector/src/bin/collector.rs b/collector/src/bin/collector.rs
index cd1c5e6f3..26d2ed28d 100644
--- a/collector/src/bin/collector.rs
+++ b/collector/src/bin/collector.rs
@@ -1300,6 +1300,30 @@ fn print_binary_stats(
         }
     }
     rows.sort_by_cached_key(|row| Reverse((row.diff.abs(), row.before, row.name.clone())));
+
+    // Combine all unchanged rows into one.
+    if use_diff {
+        let mut unchanged_count = 0;
+        let mut total_unchanged = 0;
+        rows.retain(|row| {
+            if row.diff == 0 {
+                unchanged_count += 1;
+                total_unchanged += row.before;
+                false
+            } else {
+                true
+            }
+        });
+        if total_unchanged > 0 {
+            rows.push(Row {
+                name: format!("<{unchanged_count} unchanged rows>"),
+                before: total_unchanged,
+                after: total_unchanged,
+                diff: 0,
+            });
+        }
+    }
+
     rows.push(Row {
         name: "Total".to_string(),
         before: total_before,