commit-graph: write commit-graph chains

diff --git a/commit-graph.h b/commit-graph.h
index 390c7f696104fbe772151b91cb04889d0f682401..c321834533eb52b83cb5a898244cd3ca0f097576 100644 (file)
--- a/commit-graph.h
+++ b/commit-graph.h
@@ -47,11 +47,16 @@ struct commit_graph {
        unsigned char num_chunks;
        uint32_t num_commits;
        struct object_id oid;
+       char *filename;
+
+       uint32_t num_commits_in_base;
+       struct commit_graph *base_graph;
 
        const uint32_t *chunk_oid_fanout;
        const unsigned char *chunk_oid_lookup;
        const unsigned char *chunk_commit_data;
        const unsigned char *chunk_extra_edges;
+       const unsigned char *chunk_base_graphs;
 };
 
 struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st);
@@ -67,6 +72,7 @@ int generation_numbers_enabled(struct repository *r);
 
 #define COMMIT_GRAPH_APPEND     (1 << 0)
 #define COMMIT_GRAPH_PROGRESS   (1 << 1)
+#define COMMIT_GRAPH_SPLIT      (1 << 2)
 
 /*
  * The write_commit_graph* methods return zero on success