plug: Include deleted plugins in full list

library/Core.cpp

@@ -815,16 +815,14 @@ command_result Core::runCommand(color_ostream &con, const std::string &first_, v
             const char *row_format =    "%25s %10s %4i\n";
             con.print(header_format, "Name", "State", "Cmds");
 
-            vector<string> plugins;
-            if (parts.size())
-                plugins = parts;
-            else
-                plugins = plug_mgr->listPlugins();
-            for (auto f = plugins.begin(); f != plugins.end(); ++f)
+            plug_mgr->refresh();
+            for (auto it = plug_mgr->begin(); it != plug_mgr->end(); ++it)
             {
-                const Plugin * plug = plug_mgr->getPluginByName(*f);
+                const Plugin * plug = it->second;
                 if (!plug)
                     continue;
+                if (parts.size() && std::find(parts.begin(), parts.end(), plug->getName()) == parts.end())
+                    continue;
                 color_value color;
                 switch (plug->getState())
                 {
@@ -847,7 +845,7 @@ command_result Core::runCommand(color_ostream &con, const std::string &first_, v
                 }
                 con.color(color);
                 con.print(row_format,
-                    f->c_str(),
+                    plug->getName().c_str(),
                     Plugin::getStateDescription(plug->getState()),
                     plug->size()
                 );

library/PluginManager.cpp

@@ -851,6 +851,17 @@ vector<string> PluginManager::listPlugins()
     return results;
 }
 
+void PluginManager::refresh()
+{
+    MUTEX_GUARD(plugin_mutex);
+    auto files = listPlugins();
+    for (auto f = files.begin(); f != files.end(); ++f)
+    {
+        if (!(*this)[*f])
+            addPlugin(*f);
+    }
+}
+
 bool PluginManager::load (const string &name)
 {
     MUTEX_GUARD(plugin_mutex);

library/include/PluginManager.h

@@ -261,7 +261,10 @@ namespace DFHack
         void unregisterCommands( Plugin * p );
     // PUBLIC METHODS
     public:
+        // list names of all plugins present in hack/plugins
         std::vector<std::string> listPlugins();
+        // create Plugin instances for any plugins in hack/plugins that aren't present in all_plugins
+        void refresh();
 
         bool load (const std::string &name);
         bool loadAll();