1 files changed, 25 insertions, 0 deletions
diff --git a/src/command.h b/src/command.h
index 8d0679d..f03281f 100644
--- a/src/command.h
+++ b/src/command.h
@@ -3,6 +3,8 @@
 #include <memory>
 #include <vector>
 #include "package.h"
+#include <boost/process.hpp>
+#include <filesystem>
 
 namespace katja
 {
@@ -24,6 +26,29 @@ namespace katja
         void execute() const override;
     };
 
+    class update final : public command
+    {
+        boost::filesystem::path git_binary;
+
+        template<typename... Args>
+        void git(const std::string& command, const std::filesystem::path& cwd, const Args&... args) const
+        {
+            if (cwd.empty())
+            {
+                boost::process::system(git_binary, command, args...);
+            }
+            else
+            {
+                boost::process::system(git_binary, "-C", cwd.native(), command, args...);
+            }
+        }
+
+    public:
+        explicit update();
+
+        void execute() const override;
+    };
+
     enum class command_exception_t
     {
         no_command,