Add item represents an insert diff.

Delete item represents a delete diff.

Equal item represents an equals diff.

Chunk represents a portion of a file transformation into another.

Commit data.

FileChange represents the necessary steps to transform one file into another.

Signature is used to identify who and when created a commit or tag.

Change is abstraction upon git using go-git library Encapsulates work with pull request history diff.

Operation defines the operation of a diff item.