Line data    Source code

       1             : // Copyright (C) 2017 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.git;
      16             : 
      17             : import com.google.common.flogger.FluentLogger;
      18             : import com.google.gerrit.extensions.events.LifecycleListener;
      19             : import com.google.gerrit.server.config.SitePaths;
      20             : import com.google.gerrit.server.util.git.DelegateSystemReader;
      21             : import com.google.inject.Inject;
      22             : import com.google.inject.Singleton;
      23             : import org.eclipse.jgit.lib.Config;
      24             : import org.eclipse.jgit.storage.file.FileBasedConfig;
      25             : import org.eclipse.jgit.util.FS;
      26             : import org.eclipse.jgit.util.SystemReader;
      27             : 
      28             : @Singleton
      29             : public class SystemReaderInstaller implements LifecycleListener {
      30          16 :   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
      31             : 
      32             :   private final SitePaths site;
      33             : 
      34             :   @Inject
      35          16 :   SystemReaderInstaller(SitePaths site) {
      36          16 :     this.site = site;
      37          16 :   }
      38             : 
      39             :   @Override
      40             :   public void start() {
      41          16 :     SystemReader.setInstance(customReader());
      42          16 :     logger.atInfo().log("Set JGit's SystemReader to read system config from %s", site.jgit_config);
      43          16 :   }
      44             : 
      45             :   @Override
      46          15 :   public void stop() {}
      47             : 
      48             :   private SystemReader customReader() {
      49          16 :     SystemReader current = SystemReader.getInstance();
      50             : 
      51          16 :     return new DelegateSystemReader(current) {
      52             :       @Override
      53             :       public FileBasedConfig openSystemConfig(Config parent, FS fs) {
      54          16 :         return new FileBasedConfig(parent, site.jgit_config.toFile(), FS.DETECTED);
      55             :       }
      56             :     };
      57             :   }
      58             : }