commitquery: Merge from ancestor and mergebases

1 files changed, 39 insertions, 0 deletions

diff --git a/commitquery/node.go b/commitquery/node.go
new file mode 100644
index 00000000..cd357631
--- /dev/null
+++ b/commitquery/node.go
@@ -0,0 +1,39 @@
+package commitquery
+
+import (
+	commitgraphread "codeberg.org/lindenii/furgit/commitgraph/read"
+	"codeberg.org/lindenii/furgit/objectid"
+)
+
+// nodeIndex identifies one internal query node.
+type nodeIndex int
+
+// node stores one mutable commit traversal node.
+type node struct {
+	id objectid.ObjectID
+
+	parents []nodeIndex
+
+	commitTime int64
+	generation uint64
+
+	hasGeneration bool
+	hasGraphPos   bool
+	loaded        bool
+
+	graphPos commitgraphread.Position
+	marks    markBits
+
+	touchedPhase uint32
+}
+
+// newNode allocates one empty internal node.
+func (query *Query) newNode(id objectid.ObjectID) nodeIndex {
+	count := len(query.nodes)
+
+	idx := nodeIndex(count)
+
+	query.nodes = append(query.nodes, node{id: id})
+
+	return idx
+}