The number of commits in level N + 1 is more than C commits. Default is 64000.
The number of commits in level N is less than X times the number of commits in level N + 1. Default is 2.
The strategy to use when adding new commits to a pre-existing commit-graph chain.
Options structure for git_commit_graph_writer_commit/git_commit_graph_writer_dump.
Initialize with GIT_COMMIT_GRAPH_WRITER_OPTIONS_INIT. Alternatively, you can use git_commit_graph_writer_options_init.