fix(extension): 修复 Maven 仓库扩展搜索器无法从第三方仓库获取扩展的问题.

由于在加载仓库配置时, 未设置仓库 Id, 导致 Aether 将仓库排除, 进而导致无法通过第三方仓库获取插件.
改动后, 将在未配置仓库 Id 的情况下, 为其生成一个 Id 名称.

scalabot-app/src/main/kotlin/AppConfigs.kt

@@ -13,12 +13,14 @@ import org.eclipse.aether.artifact.Artifact
 import org.eclipse.aether.repository.Authentication
 import org.eclipse.aether.repository.Proxy
 import org.eclipse.aether.repository.RemoteRepository
+import org.eclipse.aether.repository.RepositoryPolicy
 import org.telegram.telegrambots.bots.DefaultBotOptions
 import org.telegram.telegrambots.meta.ApiConstants
 import java.io.File
 import java.net.URL
 import java.nio.charset.StandardCharsets
 import java.util.concurrent.atomic.AtomicBoolean
+import java.util.concurrent.atomic.AtomicInteger
 import kotlin.system.exitProcess
 
 private val log = KotlinLogging.logger { }
@@ -100,6 +102,7 @@ internal data class MetricsConfig(
  * @property layout 仓库布局版本, Maven 2 及以上使用 `default`, Maven 1 使用 `legacy`.
  */
 internal data class MavenRepositoryConfig(
+    val id: String? = null,
     val url: URL,
     val proxy: Proxy? = Proxy("http", "127.0.0.1", 1080),
     val layout: String = "default",
@@ -108,12 +111,29 @@ internal data class MavenRepositoryConfig(
 ) {
 
     fun toRemoteRepository(proxyConfig: ProxyConfig): RemoteRepository {
-        val builder = RemoteRepository.Builder(null, checkRepositoryLayout(layout), url.toString())
+        val builder =
+            RemoteRepository.Builder(id ?: createDefaultRepositoryId(), checkRepositoryLayout(layout), url.toString())
         if (proxy != null) {
             builder.setProxy(proxy)
         } else if (proxyConfig.type == DefaultBotOptions.ProxyType.HTTP) {
             builder.setProxy(proxyConfig.toAetherProxy())
         }
+
+        builder.setReleasePolicy(
+            RepositoryPolicy(
+                true,
+                RepositoryPolicy.UPDATE_POLICY_NEVER,
+                RepositoryPolicy.CHECKSUM_POLICY_FAIL
+            )
+        )
+        builder.setSnapshotPolicy(
+            RepositoryPolicy(
+                true,
+                RepositoryPolicy.UPDATE_POLICY_ALWAYS,
+                RepositoryPolicy.CHECKSUM_POLICY_WARN
+            )
+        )
+
         return builder.build()
     }
 
@@ -125,6 +145,13 @@ internal data class MavenRepositoryConfig(
             }
             return type
         }
+
+        private val repoNumber = AtomicInteger(1)
+
+        fun createDefaultRepositoryId(): String {
+            return "Repository-${repoNumber.getAndIncrement()}"
+        }
+
     }
 }
 
@@ -180,7 +207,8 @@ internal enum class AppPaths(
                     AppConfig(
                         mavenRepositories = listOf(
                             MavenRepositoryConfig(
-                                URL(MavenRepositoryExtensionFinder.MAVEN_CENTRAL_URL)
+                                id = "central",
+                                url = URL(MavenRepositoryExtensionFinder.MAVEN_CENTRAL_URL)
                             )
                         )
                     ), it

scalabot-app/src/main/kotlin/ExtensionFinders.kt

@@ -257,9 +257,21 @@ internal class MavenRepositoryExtensionFinder(
     }
 
     override fun findByArtifact(extensionArtifact: Artifact, extensionsPath: File): Set<FoundExtensionPackage> {
+        log.debug {
+            StringBuilder().apply {
+                append("构件 $extensionArtifact 将在以下仓库拉取: \n")
+                remoteRepositories.forEach {
+                    append("\t- ${it}\n")
+                }
+            }
+        }
         val extensionArtifactResult = repositorySystem.resolveArtifact(
             repoSystemSession,
-            ArtifactRequest(extensionArtifact, remoteRepositories, null)
+            ArtifactRequest(
+                extensionArtifact,
+                repositorySystem.newResolutionRepositories(repoSystemSession, remoteRepositories),
+                null
+            )
         )
         val extResolvedArtifact = extensionArtifactResult.artifact
         if (!extensionArtifactResult.isResolved) {

scalabot-app/src/main/kotlin/util/Serializers.kt

@@ -155,7 +155,7 @@ internal object MavenRepositoryConfigSerializer
                 )
             }
             is JsonPrimitive -> {
-                MavenRepositoryConfig(URL(json.asString))
+                MavenRepositoryConfig(url = URL(json.asString))
             }
             else -> {
                 throw JsonParseException("Unsupported Maven warehouse configuration type.")