builtin/repo: group per-type object values into struct

The `object_stats` structure stores object counts by type. In a
subsequent commit, additional per-type object measurements will also be
stored. Group per-type object values into a new struct to allow better
reuse.

Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: jltobler

builtin/repo.c

@@ -202,13 +202,17 @@ struct ref_stats {
 	size_t others;
 };
 
-struct object_stats {
+struct object_values {
 	size_t tags;
 	size_t commits;
 	size_t trees;
 	size_t blobs;
 };
 
+struct object_stats {
+	struct object_values type_counts;
+};
+
 struct repo_structure {
 	struct ref_stats refs;
 	struct object_stats objects;
@@ -281,9 +285,9 @@ static inline size_t get_total_reference_count(struct ref_stats *stats)
 	return stats->branches + stats->remotes + stats->tags + stats->others;
 }
 
-static inline size_t get_total_object_count(struct object_stats *stats)
+static inline size_t get_total_object_values(struct object_values *values)
 {
-	return stats->tags + stats->commits + stats->trees + stats->blobs;
+	return values->tags + values->commits + values->trees + values->blobs;
 }
 
 static void stats_table_setup_structure(struct stats_table *table,
@@ -302,14 +306,18 @@ static void stats_table_setup_structure(struct stats_table *table,
 	stats_table_count_addf(table, refs->remotes, "    * %s", _("Remotes"));
 	stats_table_count_addf(table, refs->others, "    * %s", _("Others"));
 
-	object_total = get_total_object_count(objects);
+	object_total = get_total_object_values(&objects->type_counts);
 	stats_table_addf(table, "");
 	stats_table_addf(table, "* %s", _("Reachable objects"));
 	stats_table_count_addf(table, object_total, "  * %s", _("Count"));
-	stats_table_count_addf(table, objects->commits, "    * %s", _("Commits"));
-	stats_table_count_addf(table, objects->trees, "    * %s", _("Trees"));
-	stats_table_count_addf(table, objects->blobs, "    * %s", _("Blobs"));
-	stats_table_count_addf(table, objects->tags, "    * %s", _("Tags"));
+	stats_table_count_addf(table, objects->type_counts.commits,
+			       "    * %s", _("Commits"));
+	stats_table_count_addf(table, objects->type_counts.trees,
+			       "    * %s", _("Trees"));
+	stats_table_count_addf(table, objects->type_counts.blobs,
+			       "    * %s", _("Blobs"));
+	stats_table_count_addf(table, objects->type_counts.tags,
+			       "    * %s", _("Tags"));
 }
 
 static void stats_table_print_structure(const struct stats_table *table)
@@ -389,13 +397,13 @@ static void structure_keyvalue_print(struct repo_structure *stats,
 	       (uintmax_t)stats->refs.others, value_delim);
 
 	printf("objects.commits.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.commits, value_delim);
+	       (uintmax_t)stats->objects.type_counts.commits, value_delim);
 	printf("objects.trees.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.trees, value_delim);
+	       (uintmax_t)stats->objects.type_counts.trees, value_delim);
 	printf("objects.blobs.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.blobs, value_delim);
+	       (uintmax_t)stats->objects.type_counts.blobs, value_delim);
 	printf("objects.tags.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.tags, value_delim);
+	       (uintmax_t)stats->objects.type_counts.tags, value_delim);
 
 	fflush(stdout);
 }
@@ -473,22 +481,22 @@ static int count_objects(const char *path UNUSED, struct oid_array *oids,
 
 	switch (type) {
 	case OBJ_TAG:
-		stats->tags += oids->nr;
+		stats->type_counts.tags += oids->nr;
 		break;
 	case OBJ_COMMIT:
-		stats->commits += oids->nr;
+		stats->type_counts.commits += oids->nr;
 		break;
 	case OBJ_TREE:
-		stats->trees += oids->nr;
+		stats->type_counts.trees += oids->nr;
 		break;
 	case OBJ_BLOB:
-		stats->blobs += oids->nr;
+		stats->type_counts.blobs += oids->nr;
 		break;
 	default:
 		BUG("invalid object type");
 	}
 
-	object_count = get_total_object_count(stats);
+	object_count = get_total_object_values(&stats->type_counts);
 	display_progress(data->progress, object_count);
 
 	return 0;