1 files changed, 25 insertions, 8 deletions

diff --git a/commit-graph.h b/commit-graph.h
index 09a97030dc..97f3497c27 100644
--- a/commit-graph.h
+++ b/commit-graph.h
@@ -6,6 +6,7 @@
 #include "oidset.h"
 
 #define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH"
+#define GIT_TEST_COMMIT_GRAPH_NO_GDAT "GIT_TEST_COMMIT_GRAPH_NO_GDAT"
 #define GIT_TEST_COMMIT_GRAPH_DIE_ON_PARSE "GIT_TEST_COMMIT_GRAPH_DIE_ON_PARSE"
 #define GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS "GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS"
 
@@ -25,6 +26,7 @@ struct raw_object_store;
 struct string_list;
 
 char *get_commit_graph_filename(struct object_directory *odb);
+char *get_commit_graph_chain_filename(struct object_directory *odb);
 int open_commit_graph(const char *graph_file, int *fd, struct stat *st);
 
 /*
@@ -62,24 +64,30 @@ struct commit_graph {
 	struct object_directory *odb;
 
 	uint32_t num_commits_in_base;
+	unsigned int read_generation_data;
 	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_generation_data;
+	const unsigned char *chunk_generation_data_overflow;
 	const unsigned char *chunk_extra_edges;
 	const unsigned char *chunk_base_graphs;
 	const unsigned char *chunk_bloom_indexes;
 	const unsigned char *chunk_bloom_data;
 
+	struct topo_level_slab *topo_levels;
 	struct bloom_filter_settings *bloom_filter_settings;
 };
 
-struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st,
+struct commit_graph *load_commit_graph_one_fd_st(struct repository *r,
+						 int fd, struct stat *st,
 						 struct object_directory *odb);
 struct commit_graph *read_commit_graph_one(struct repository *r,
 					   struct object_directory *odb);
-struct commit_graph *parse_commit_graph(void *graph_map, size_t graph_size);
+struct commit_graph *parse_commit_graph(struct repository *r,
+					void *graph_map, size_t graph_size);
 
 /*
  * Return 1 if and only if the repository has a commit-graph
@@ -87,6 +95,14 @@ struct commit_graph *parse_commit_graph(void *graph_map, size_t graph_size);
  */
 int generation_numbers_enabled(struct repository *r);
 
+/*
+ * Return 1 if and only if the repository has a commit-graph
+ * file and generation data chunk has been written for the file.
+ */
+int corrected_commit_dates_enabled(struct repository *r);
+
+struct bloom_filter_settings *get_bloom_filter_settings(struct repository *r);
+
 enum commit_graph_write_flags {
 	COMMIT_GRAPH_WRITE_APPEND     = (1 << 0),
 	COMMIT_GRAPH_WRITE_PROGRESS   = (1 << 1),
@@ -101,11 +117,12 @@ enum commit_graph_split_flags {
 	COMMIT_GRAPH_SPLIT_REPLACE          = 2
 };
 
-struct split_commit_graph_opts {
+struct commit_graph_opts {
 	int size_multiple;
 	int max_commits;
 	timestamp_t expire_time;
-	enum commit_graph_split_flags flags;
+	enum commit_graph_split_flags split_flags;
+	int max_new_filters;
 };
 
 /*
@@ -116,12 +133,12 @@ struct split_commit_graph_opts {
  */
 int write_commit_graph_reachable(struct object_directory *odb,
 				 enum commit_graph_write_flags flags,
-				 const struct split_commit_graph_opts *split_opts);
+				 const struct commit_graph_opts *opts);
 int write_commit_graph(struct object_directory *odb,
 		       struct string_list *pack_indexes,
 		       struct oidset *commits,
 		       enum commit_graph_write_flags flags,
-		       const struct split_commit_graph_opts *split_opts);
+		       const struct commit_graph_opts *opts);
 
 #define COMMIT_GRAPH_VERIFY_SHALLOW	(1 << 0)
 
@@ -138,12 +155,12 @@ void disable_commit_graph(struct repository *r);
 
 struct commit_graph_data {
 	uint32_t graph_pos;
-	uint32_t generation;
+	timestamp_t generation;
 };
 
 /*
  * Commits should be parsed before accessing generation, graph positions.
  */
-uint32_t commit_graph_generation(const struct commit *);
+timestamp_t commit_graph_generation(const struct commit *);
 uint32_t commit_graph_position(const struct commit *);
 #endif