From 8a1b21ff73c8899c640537a2cec7729eceee93d6 Mon Sep 17 00:00:00 2001
From: Martin von Zweigbergk <martinvonz@google.com>
Date: Fri, 20 Jan 2023 11:40:16 -0800
Subject: [PATCH] backend: implement equality for commits and trees

It can be useful in tests to be able to compare two commits or
trees. Most other structs already implement equality.
---
 lib/src/backend.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/src/backend.rs b/lib/src/backend.rs
index bb5511459..c7b3870f6 100644
--- a/lib/src/backend.rs
+++ b/lib/src/backend.rs
@@ -138,7 +138,7 @@ content_hash! {
 }
 
 content_hash! {
-    #[derive(Debug, Clone)]
+    #[derive(Debug, PartialEq, Eq, Clone)]
     pub struct Commit {
         pub parents: Vec<CommitId>,
         pub predecessors: Vec<CommitId>,
@@ -291,7 +291,7 @@ impl<'a> Iterator for TreeEntriesNonRecursiveIterator<'a> {
 }
 
 content_hash! {
-    #[derive(Default, Debug, Clone)]
+    #[derive(Default, PartialEq, Eq, Debug, Clone)]
     pub struct Tree {
         entries: BTreeMap<RepoPathComponent, TreeValue>,
     }