diff options
Diffstat (limited to 'plumbing/format/commitgraph/commitgraph.go')
| -rw-r--r-- | plumbing/format/commitgraph/commitgraph.go | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/plumbing/format/commitgraph/commitgraph.go b/plumbing/format/commitgraph/commitgraph.go new file mode 100644 index 0000000..9bf7149 --- /dev/null +++ b/plumbing/format/commitgraph/commitgraph.go @@ -0,0 +1,35 @@ +package commitgraph
+
+import (
+ "time"
+
+ "gopkg.in/src-d/go-git.v4/plumbing"
+)
+
+// Node is a reduced representation of Commit as presented in the commit graph
+// file. It is merely useful as an optimization for walking the commit graphs.
+type Node struct {
+ // TreeHash is the hash of the root tree of the commit.
+ TreeHash plumbing.Hash
+ // ParentIndexes are the indexes of the parent commits of the commit.
+ ParentIndexes []int
+ // ParentHashes are the hashes of the parent commits of the commit.
+ ParentHashes []plumbing.Hash
+ // Generation number is the pre-computed generation in the commit graph
+ // or zero if not available
+ Generation int
+ // When is the timestamp of the commit.
+ When time.Time
+}
+
+// Index represents a representation of commit graph that allows indexed
+// access to the nodes using commit object hash
+type Index interface {
+ // GetIndexByHash gets the index in the commit graph from commit hash, if available
+ GetIndexByHash(h plumbing.Hash) (int, error)
+ // GetNodeByIndex gets the commit node from the commit graph using index
+ // obtained from child node, if available
+ GetNodeByIndex(i int) (*Node, error)
+ // Hashes returns all the hashes that are available in the index
+ Hashes() []plumbing.Hash
+}
|