commit-graph: define GIT_TEST_COMMIT_GRAPH

diff --git a/commit-graph.h b/commit-graph.h
index 2528478f06db26abbfc22ca62e93425bf6a1da05..5fd8ded7c68fadf086e9f2cb59664ac08e850f98 100644 (file)
--- a/commit-graph.h
+++ b/commit-graph.h
@@ -2,9 +2,39 @@
 #define COMMIT_GRAPH_H
 
 #include "git-compat-util.h"
+#include "repository.h"
+#include "string-list.h"
+#include "cache.h"
+
+#define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH"
+
+struct commit;
 
 char *get_commit_graph_filename(const char *obj_dir);
 
+/*
+ * Given a commit struct, try to fill the commit struct info, including:
+ *  1. tree object
+ *  2. date
+ *  3. parents.
+ *
+ * Returns 1 if and only if the commit was found in the packed graph.
+ *
+ * See parse_commit_buffer() for the fallback after this call.
+ */
+int parse_commit_in_graph(struct repository *r, struct commit *item);
+
+/*
+ * It is possible that we loaded commit contents from the commit buffer,
+ * but we also want to ensure the commit-graph content is correctly
+ * checked and filled. Fill the graph_pos and generation members of
+ * the given commit.
+ */
+void load_commit_graph_info(struct repository *r, struct commit *item);
+
+struct tree *get_commit_tree_in_graph(struct repository *r,
+                                     const struct commit *c);
+
 struct commit_graph {
        int graph_fd;
 
@@ -24,6 +54,14 @@ struct commit_graph {
 
 struct commit_graph *load_commit_graph_one(const char *graph_file);
 
-void write_commit_graph(const char *obj_dir);
+void write_commit_graph_reachable(const char *obj_dir, int append);
+void write_commit_graph(const char *obj_dir,
+                       struct string_list *pack_indexes,
+                       struct string_list *commit_hex,
+                       int append);
+
+int verify_commit_graph(struct repository *r, struct commit_graph *g);
+
+void free_commit_graph(struct commit_graph *);
 
 #endif