From 08da9bb09f6046c7344f537fc4a819ed03d23f55 Mon Sep 17 00:00:00 2001
From: Máximo Cuadros <mcuadros@gmail.com>
Date: Wed, 13 May 2020 11:58:48 +0200
Subject: plumbing: object, Commit.Patch support to as nil

---
 plumbing/object/commit.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'plumbing/object/commit.go')

diff --git a/plumbing/object/commit.go b/plumbing/object/commit.go
index b27f20b..113cb29 100644
--- a/plumbing/object/commit.go
+++ b/plumbing/object/commit.go
@@ -87,9 +87,12 @@ func (c *Commit) PatchContext(ctx context.Context, to *Commit) (*Patch, error) {
 		return nil, err
 	}
 
-	toTree, err := to.Tree()
-	if err != nil {
-		return nil, err
+	var toTree *Tree
+	if to != nil {
+		toTree, err = to.Tree()
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	return fromTree.PatchContext(ctx, toTree)
-- 
cgit