[console] Wrap mirai-console as a plugin

mirai-console/backend/mirai-console/src/command/BuiltInCommands.kt

@@ -39,6 +39,7 @@ import net.mamoe.mirai.console.internal.extension.GlobalComponentStorage
 import net.mamoe.mirai.console.internal.permission.BuiltInPermissionService
 import net.mamoe.mirai.console.internal.permission.getPermittedPermissionsAndSource
 import net.mamoe.mirai.console.internal.plugin.JvmPluginInternal
+import net.mamoe.mirai.console.internal.plugin.MiraiConsoleAsPlugin
 import net.mamoe.mirai.console.internal.pluginManagerImpl
 import net.mamoe.mirai.console.internal.util.runIgnoreException
 import net.mamoe.mirai.console.permission.Permission
@@ -633,10 +634,15 @@ public object BuiltInCommands {
                 reset().append("\n\n")
 
                 append("Plugins: ")
-                if (MiraiConsole.pluginManagerImpl.resolvedPlugins.isEmpty()) {
+
+                val resolvedPlugins = MiraiConsole.pluginManagerImpl.resolvedPlugins.asSequence()
+                    .filter { it !is MiraiConsoleAsPlugin } // skip mirai-console in status
+                    .toList()
+
+                if (resolvedPlugins.isEmpty()) {
                     gray().append("<none>")
                 } else {
-                    MiraiConsole.pluginManagerImpl.resolvedPlugins.joinTo(this) { plugin ->
+                    resolvedPlugins.joinTo(this) { plugin ->
                         if (plugin.isEnabled) {
                             green().append(plugin.name).reset().append(" v").gold()
                         } else {

mirai-console/backend/mirai-console/src/internal/plugin/MiraiConsoleAsPlugin.kt

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2019-2023 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/dev/LICENSE
+ */
+
+package net.mamoe.mirai.console.internal.plugin
+
+import net.mamoe.mirai.console.command.ConsoleCommandOwner
+import net.mamoe.mirai.console.internal.MiraiConsoleBuildConstants
+import net.mamoe.mirai.console.permission.Permission
+import net.mamoe.mirai.console.permission.PermissionId
+import net.mamoe.mirai.console.plugin.Plugin
+import net.mamoe.mirai.console.plugin.PluginManager.INSTANCE.description
+import net.mamoe.mirai.console.plugin.description.PluginDependency
+import net.mamoe.mirai.console.plugin.description.PluginDescription
+import net.mamoe.mirai.console.plugin.loader.PluginLoader
+import net.mamoe.mirai.console.util.SemVersion
+
+internal object MiraiConsoleAsPlugin : Plugin {
+    // MiraiConsole always enabled
+    override val isEnabled: Boolean get() = true
+
+    override val loader: PluginLoader<*, *> get() = TheLoader
+
+    override val parentPermission: Permission
+        get() = ConsoleCommandOwner.parentPermission
+
+    override fun permissionId(name: String): PermissionId {
+        return ConsoleCommandOwner.permissionId(name)
+    }
+
+    internal object TheLoader : PluginLoader<Plugin, PluginDescription> {
+        override fun listPlugins(): List<Plugin> = listOf(MiraiConsoleAsPlugin)
+
+        override fun disable(plugin: Plugin) {
+            // noop
+        }
+
+        override fun enable(plugin: Plugin) {
+            // noop
+        }
+
+        override fun load(plugin: Plugin) {
+            // noop
+        }
+
+        override fun getPluginDescription(plugin: Plugin): PluginDescription {
+            if (plugin !== MiraiConsoleAsPlugin) {
+                error("loader not match with " + plugin.description.id)
+            }
+            return TheDescription
+        }
+    }
+
+    internal object TheDescription : PluginDescription {
+        override val id: String get() = "net.mamoe.mirai-console"
+        override val name: String get() = "Console"
+        override val author: String get() = "Mamoe Technologies"
+        override val version: SemVersion get() = MiraiConsoleBuildConstants.version
+        override val info: String get() = ""
+        override val dependencies: Set<PluginDependency> get() = setOf()
+
+
+        override fun toString(): String {
+            return "PluginDescription[ mirai-console ]"
+        }
+    }
+}

mirai-console/backend/mirai-console/src/internal/plugin/PluginManagerImpl.kt

@@ -88,6 +88,8 @@ internal class PluginManagerImpl(
                 }
             }
         }
+
+        resolvedPlugins.add(MiraiConsoleAsPlugin)
     }
 
     // region LOADING

mirai-console/backend/mirai-console/src/plugin/description/PluginDescription.kt

@@ -104,6 +104,8 @@ public interface PluginDescription {
     /**
      * 此插件依赖的其他插件, 将会在这些插件加载之后加载此插件
      *
+     * 特别的, 可以使用 `net.mamoe.mirai-console` 作为插件 id 限制 mirai-console 版本 (自 2.16.0 后)
+     *
      * @see PluginDependency
      */
     public val dependencies: Set<PluginDependency>

mirai-console/backend/mirai-console/test/testFramework/test/FrameworkInstanceTest.kt

@@ -18,11 +18,11 @@ class FrameworkInstanceTest : AbstractConsoleInstanceTest() {
 
     @Test
     fun testConsole1() {
-        assertEquals(0, PluginManager.plugins.size)
+        assertEquals(1, PluginManager.plugins.size)
     }
 
     @Test
     fun testConsole2() {
-        assertEquals(0, PluginManager.plugins.size)
+        assertEquals(1, PluginManager.plugins.size)
     }
 }