From b74306489cec2547fce48387ca66d8f4a9528d71 Mon Sep 17 00:00:00 2001
From: Max O'Cull <max.ocull@protonmail.com>
Date: Thu, 2 Mar 2023 14:54:02 -0500
Subject: [PATCH] Default to histogram diff

---
 modules/git/git.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/git/git.go b/modules/git/git.go
index 24cfea8c7fe17..df263918f18c7 100644
--- a/modules/git/git.go
+++ b/modules/git/git.go
@@ -242,6 +242,13 @@ func syncGitConfig() (err error) {
 		}
 	}
 
+	if CheckGitVersionAtLeast("1.8.2") == nil {
+		// The `histogram` algorithm itself was added in 1.7.7, but `diff.algorithm` was supported in Git 1.8.2.
+		if err := configSet("diff.algorithm", "histogram"); err != nil {
+			return err
+		}
+	}
+
 	if SupportProcReceive {
 		// set support for AGit flow
 		if err := configAddNonExist("receive.procReceiveRefs", "refs/for"); err != nil {