Merge branch 'vn/xmmap-gently'

diff --git a/commit-graph.h b/commit-graph.h
index 390c7f696104fbe772151b91cb04889d0f682401..df9a3b20e4abc7d388acab1cc85546aafa8345a3 100644 (file)
--- a/commit-graph.h
+++ b/commit-graph.h
@@ -47,15 +47,21 @@ struct commit_graph {
        unsigned char num_chunks;
        uint32_t num_commits;
        struct object_id oid;
+       char *filename;
+       const char *obj_dir;
+
+       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);
-
+struct commit_graph *read_commit_graph_one(struct repository *r, const char *obj_dir);
 struct commit_graph *parse_commit_graph(void *graph_map, int fd,
                                        size_t graph_size);
 
@@ -67,6 +73,13 @@ 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)
+
+struct split_commit_graph_opts {
+       int size_multiple;
+       int max_commits;
+       timestamp_t expire_time;
+};
 
 /*
  * The write_commit_graph* methods return zero on success
@@ -74,13 +87,17 @@ int generation_numbers_enabled(struct repository *r);
  * is not compatible with the commit-graph feature, then the
  * methods will return 0 without writing a commit-graph.
  */
-int write_commit_graph_reachable(const char *obj_dir, unsigned int flags);
+int write_commit_graph_reachable(const char *obj_dir, unsigned int flags,
+                                const struct split_commit_graph_opts *split_opts);
 int write_commit_graph(const char *obj_dir,
                       struct string_list *pack_indexes,
                       struct string_list *commit_hex,
-                      unsigned int flags);
+                      unsigned int flags,
+                      const struct split_commit_graph_opts *split_opts);
+
+#define COMMIT_GRAPH_VERIFY_SHALLOW    (1 << 0)
 
-int verify_commit_graph(struct repository *r, struct commit_graph *g);
+int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags);
 
 void close_commit_graph(struct raw_object_store *);
 void free_commit_graph(struct commit_graph *);