1 files changed, 20 insertions, 0 deletions
diff --git a/include/katja/repository.hpp b/include/katja/repository.hpp
index ca20277..0a799bd 100644
--- a/include/katja/repository.hpp
+++ b/include/katja/repository.hpp
@@ -5,6 +5,26 @@
  */
 #pragma once
 
+#include <string>
+#include <vector>
+
+#include "katja/database.hpp"
+
 namespace katja
 {
+    struct package_identifier
+    {
+        const std::string name;
+        const std::string version;
+        const std::string architecture;
+        const std::string data;
+
+        std::string to_string() const;
+    };
+
+    class repository
+    {
+    public:
+        virtual std::vector<package_identifier> get_updates(const package_database& database) = 0;
+    };
 }