From 6af6e41df06f0a8a3b919b4052b41d09f0a97678 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Tue, 26 Jan 2021 06:22:24 -0500
Subject: Move command plugin interface to libnixcmd

---
 src/libcmd/legacy.hh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/libcmd/legacy.hh

(limited to 'src/libcmd/legacy.hh')

diff --git a/src/libcmd/legacy.hh b/src/libcmd/legacy.hh
new file mode 100644
index 000000000..f503b0da3
--- /dev/null
+++ b/src/libcmd/legacy.hh
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <functional>
+#include <map>
+#include <string>
+
+namespace nix {
+
+typedef std::function<void(int, char * *)> MainFunction;
+
+struct RegisterLegacyCommand
+{
+    typedef std::map<std::string, MainFunction> Commands;
+    static Commands * commands;
+
+    RegisterLegacyCommand(const std::string & name, MainFunction fun)
+    {
+        if (!commands) commands = new Commands;
+        (*commands)[name] = fun;
+    }
+};
+
+}
-- 
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