From e15054a4f93fc54806e84aa7036e60168e78e823 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 6 Mar 2026 08:05:51 +0800
Subject: format/commitgraph: Add initial commit-graph support

---
 format/commitgraph/mode.go | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 format/commitgraph/mode.go

(limited to 'format/commitgraph/mode.go')

diff --git a/format/commitgraph/mode.go b/format/commitgraph/mode.go
new file mode 100644
index 00000000..71b55412
--- /dev/null
+++ b/format/commitgraph/mode.go
@@ -0,0 +1,11 @@
+package commitgraph
+
+// OpenMode controls which commit-graph layout Open loads.
+type OpenMode uint8
+
+const (
+	// OpenSingle opens one commit-graph file at info/commit-graph.
+	OpenSingle OpenMode = iota
+	// OpenChain opens chained commit-graphs from info/commit-graphs.
+	OpenChain
+)
-- 
cgit v1.3.1-10-gc9f91