Merge branch 'ps/commit-graph-per-object-source' into seen

* ps/commit-graph-per-object-source:
  odb: move commit-graph into the object sources
  commit-graph: pass graphs that are to be merged as parameter
  commit-graph: return commit graph from `repo_find_commit_pos_in_graph()`
  commit-graph: return the prepared commit graph from `prepare_commit_graph()`
  revision: drop explicit check for commit graph
  blame: drop explicit check for commit graph

Author: gitster

blame.c

@@ -2909,9 +2909,6 @@ void setup_blame_bloom_data(struct blame_scoreboard *sb)
 	struct blame_bloom_data *bd;
 	struct bloom_filter_settings *bs;
 
-	if (!sb->repo->objects->commit_graph)
-		return;
-
 	bs = get_bloom_filter_settings(sb->repo);
 	if (!bs)
 		return;

bloom.c

@@ -452,10 +452,12 @@ struct bloom_filter *get_or_compute_bloom_filter(struct repository *r,
 	filter = bloom_filter_slab_at(&bloom_filters, c);
 
 	if (!filter->data) {
+		struct commit_graph *g;
 		uint32_t graph_pos;
-		if (repo_find_commit_pos_in_graph(r, c, &graph_pos))
-			load_bloom_filter_from_graph(r->objects->commit_graph,
-						     filter, graph_pos);
+
+		g = repo_find_commit_pos_in_graph(r, c, &graph_pos);
+		if (g)
+			load_bloom_filter_from_graph(g, filter, graph_pos);
 	}
 
 	if (filter->data && filter->len) {