From 539edad216eadbc1c563acc02a525b90b2c19e0e Mon Sep 17 00:00:00 2001
From: dploch <dploch@google.com>
Date: Wed, 5 Jun 2024 15:45:22 -0400
Subject: [PATCH] diff_util: don't panic for file hashes < 10 hex chars

---
 cli/src/diff_util.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cli/src/diff_util.rs b/cli/src/diff_util.rs
index c21b3f693..587dc67a6 100644
--- a/cli/src/diff_util.rs
+++ b/cli/src/diff_util.rs
@@ -638,7 +638,7 @@ fn git_diff_part(
     value: MaterializedTreeValue,
 ) -> Result<GitDiffPart, DiffRenderError> {
     let mode;
-    let hash;
+    let mut hash;
     let mut contents: Vec<u8>;
     match value {
         MaterializedTreeValue::Absent => {
@@ -693,7 +693,7 @@ fn git_diff_part(
             panic!("Unexpected tree in diff at path {path:?}");
         }
     }
-    let hash = hash[0..10].to_string();
+    hash.truncate(10);
     Ok(GitDiffPart {
         mode,
         hash,