1 files changed, 102 insertions, 98 deletions
diff --git a/plumbing/object/commitgraph/commitnode.go b/plumbing/object/commitgraph/commitnode.go
index 7abc58b..47227d4 100644
--- a/plumbing/object/commitgraph/commitnode.go
+++ b/plumbing/object/commitgraph/commitnode.go
@@ -1,98 +1,102 @@
-package commitgraph
-
-import (
-	"io"
-	"time"
-
-	"github.com/go-git/go-git/v5/plumbing"
-	"github.com/go-git/go-git/v5/plumbing/object"
-	"github.com/go-git/go-git/v5/plumbing/storer"
-)
-
-// CommitNode is generic interface encapsulating a lightweight commit object retrieved
-// from CommitNodeIndex
-type CommitNode interface {
-	// ID returns the Commit object id referenced by the commit graph node.
-	ID() plumbing.Hash
-	// Tree returns the Tree referenced by the commit graph node.
-	Tree() (*object.Tree, error)
-	// CommitTime returns the Commiter.When time of the Commit referenced by the commit graph node.
-	CommitTime() time.Time
-	// NumParents returns the number of parents in a commit.
-	NumParents() int
-	// ParentNodes return a CommitNodeIter for parents of specified node.
-	ParentNodes() CommitNodeIter
-	// ParentNode returns the ith parent of a commit.
-	ParentNode(i int) (CommitNode, error)
-	// ParentHashes returns hashes of the parent commits for a specified node
-	ParentHashes() []plumbing.Hash
-	// Generation returns the generation of the commit for reachability analysis.
-	// Objects with newer generation are not reachable from objects of older generation.
-	Generation() uint64
-	// Commit returns the full commit object from the node
-	Commit() (*object.Commit, error)
-}
-
-// CommitNodeIndex is generic interface encapsulating an index of CommitNode objects
-type CommitNodeIndex interface {
-	// Get returns a commit node from a commit hash
-	Get(hash plumbing.Hash) (CommitNode, error)
-}
-
-// CommitNodeIter is a generic closable interface for iterating over commit nodes.
-type CommitNodeIter interface {
-	Next() (CommitNode, error)
-	ForEach(func(CommitNode) error) error
-	Close()
-}
-
-// parentCommitNodeIter provides an iterator for parent commits from associated CommitNodeIndex.
-type parentCommitNodeIter struct {
-	node CommitNode
-	i    int
-}
-
-func newParentgraphCommitNodeIter(node CommitNode) CommitNodeIter {
-	return &parentCommitNodeIter{node, 0}
-}
-
-// Next moves the iterator to the next commit and returns a pointer to it. If
-// there are no more commits, it returns io.EOF.
-func (iter *parentCommitNodeIter) Next() (CommitNode, error) {
-	obj, err := iter.node.ParentNode(iter.i)
-	if err == object.ErrParentNotFound {
-		return nil, io.EOF
-	}
-	if err == nil {
-		iter.i++
-	}
-
-	return obj, err
-}
-
-// ForEach call the cb function for each commit contained on this iter until
-// an error appends or the end of the iter is reached. If ErrStop is sent
-// the iteration is stopped but no error is returned. The iterator is closed.
-func (iter *parentCommitNodeIter) ForEach(cb func(CommitNode) error) error {
-	for {
-		obj, err := iter.Next()
-		if err != nil {
-			if err == io.EOF {
-				return nil
-			}
-
-			return err
-		}
-
-		if err := cb(obj); err != nil {
-			if err == storer.ErrStop {
-				return nil
-			}
-
-			return err
-		}
-	}
-}
-
-func (iter *parentCommitNodeIter) Close() {
-}
+package commitgraph
+
+import (
+	"io"
+	"time"
+
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/object"
+	"github.com/go-git/go-git/v5/plumbing/storer"
+)
+
+// CommitNode is generic interface encapsulating a lightweight commit object retrieved
+// from CommitNodeIndex
+type CommitNode interface {
+	// ID returns the Commit object id referenced by the commit graph node.
+	ID() plumbing.Hash
+	// Tree returns the Tree referenced by the commit graph node.
+	Tree() (*object.Tree, error)
+	// CommitTime returns the Committer.When time of the Commit referenced by the commit graph node.
+	CommitTime() time.Time
+	// NumParents returns the number of parents in a commit.
+	NumParents() int
+	// ParentNodes return a CommitNodeIter for parents of specified node.
+	ParentNodes() CommitNodeIter
+	// ParentNode returns the ith parent of a commit.
+	ParentNode(i int) (CommitNode, error)
+	// ParentHashes returns hashes of the parent commits for a specified node
+	ParentHashes() []plumbing.Hash
+	// Generation returns the generation of the commit for reachability analysis.
+	// Objects with newer generation are not reachable from objects of older generation.
+	Generation() uint64
+	// GenerationV2 stores the corrected commit date for the commits
+	// It combines the contents of the GDA2 and GDO2 sections of the commit-graph
+	// with the commit time portion of the CDAT section.
+	GenerationV2() uint64
+	// Commit returns the full commit object from the node
+	Commit() (*object.Commit, error)
+}
+
+// CommitNodeIndex is generic interface encapsulating an index of CommitNode objects
+type CommitNodeIndex interface {
+	// Get returns a commit node from a commit hash
+	Get(hash plumbing.Hash) (CommitNode, error)
+}
+
+// CommitNodeIter is a generic closable interface for iterating over commit nodes.
+type CommitNodeIter interface {
+	Next() (CommitNode, error)
+	ForEach(func(CommitNode) error) error
+	Close()
+}
+
+// parentCommitNodeIter provides an iterator for parent commits from associated CommitNodeIndex.
+type parentCommitNodeIter struct {
+	node CommitNode
+	i    int
+}
+
+func newParentgraphCommitNodeIter(node CommitNode) CommitNodeIter {
+	return &parentCommitNodeIter{node, 0}
+}
+
+// Next moves the iterator to the next commit and returns a pointer to it. If
+// there are no more commits, it returns io.EOF.
+func (iter *parentCommitNodeIter) Next() (CommitNode, error) {
+	obj, err := iter.node.ParentNode(iter.i)
+	if err == object.ErrParentNotFound {
+		return nil, io.EOF
+	}
+	if err == nil {
+		iter.i++
+	}
+
+	return obj, err
+}
+
+// ForEach call the cb function for each commit contained on this iter until
+// an error appends or the end of the iter is reached. If ErrStop is sent
+// the iteration is stopped but no error is returned. The iterator is closed.
+func (iter *parentCommitNodeIter) ForEach(cb func(CommitNode) error) error {
+	for {
+		obj, err := iter.Next()
+		if err != nil {
+			if err == io.EOF {
+				return nil
+			}
+
+			return err
+		}
+
+		if err := cb(obj); err != nil {
+			if err == storer.ErrStop {
+				return nil
+			}
+
+			return err
+		}
+	}
+}
+
+func (iter *parentCommitNodeIter) Close() {
+}