From 70916ec7713442a1f9b80f394b980ac2ab5a92df Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Sat, 21 Feb 2026 13:29:38 +0800
Subject: diff/trees: Add tree-diffing routines

---
 diff/trees/kind.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 diff/trees/kind.go

(limited to 'diff/trees/kind.go')

diff --git a/diff/trees/kind.go b/diff/trees/kind.go
new file mode 100644
index 00000000..6fdc6e0d
--- /dev/null
+++ b/diff/trees/kind.go
@@ -0,0 +1,15 @@
+package trees
+
+// EntryKind identifies a tree-diff entry kind.
+type EntryKind int
+
+const (
+	// EntryKindInvalid indicates an invalid diff entry kind.
+	EntryKindInvalid EntryKind = iota
+	// EntryKindDeleted indicates a deleted path.
+	EntryKindDeleted
+	// EntryKindAdded indicates an added path.
+	EntryKindAdded
+	// EntryKindModified indicates a modified path.
+	EntryKindModified
+)
-- 
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