Добавлена возможность проверки размера репозитория со снимками

source/snag/core/core.d

@@ -442,4 +442,21 @@ class Snag {
 
 		writeln("Import completed successfully: ", newSnapshot);
 	}
+
+	void size() {
+		try {
+			"Total size of the snapshots is: %.2f MB".writefln(
+				dirEntries(_config.git, SpanMode.depth)
+					.filter!(path => path.isFile)
+					.array
+					.map!(path => path.getSize)
+					.sum / (1024.0 * 1024.0)
+			);
+		} catch (Exception e) {
+			throw new SnagException(
+					"Error while checking the snapshots size:\n\t"
+					~ e.msg
+				);
+		}
+	}
 }