From d229aee52994fbf54d8034c4c6a16d01b43c3e91 Mon Sep 17 00:00:00 2001
From: Kornel <kornel@cloudflare.com>
Date: Fri, 1 Sep 2023 14:08:41 +0100
Subject: [PATCH] Compact debug for Feature

---
 src/features.rs | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/features.rs b/src/features.rs
index a85e0792..5e6fa65a 100644
--- a/src/features.rs
+++ b/src/features.rs
@@ -1,6 +1,6 @@
 use std::{
     collections::{BTreeMap, BTreeSet},
-    slice,
+    fmt, slice,
 };
 
 use crate::{manifest::Manifest, metadata::Metadata, PackageId};
@@ -87,7 +87,6 @@ impl Features {
 }
 
 /// The representation of Cargo feature.
-#[derive(Debug)]
 pub(crate) enum Feature {
     /// A feature of the current crate.
     Normal {
@@ -110,6 +109,20 @@ pub(crate) enum Feature {
     },
 }
 
+impl fmt::Debug for Feature {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        use fmt::Write;
+        match self {
+            Self::Normal { name } | Self::Path { name, .. } => f.write_str(name),
+            Self::Group { name, .. } => {
+                f.write_char('[')?;
+                f.write_str(name)?;
+                f.write_char(']')
+            }
+        }
+    }
+}
+
 impl Feature {
     pub(crate) fn group(group: impl IntoIterator<Item = impl Into<String>>) -> Self {
         let list: Vec<_> = group.into_iter().map(Into::into).collect();