// Copyright (C) 2014 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.acceptance.pgm;

import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.io.Files;
import com.google.gerrit.launcher.GerritLauncher;
import com.google.gerrit.server.notedb.ConfigNotesMigration;
import com.google.gerrit.testutil.TempFileUtil;
import java.io.File;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class RebuildNoteDbIT {
  private File sitePath;

  @Before
  public void createTempDirectory() throws Exception {
    sitePath = TempFileUtil.createTempDirectory();
  }

  @After
  public void destroySite() throws Exception {
    if (sitePath != null) {
      TempFileUtil.cleanup();
    }
  }

  @Test
  public void rebuildEmptySite() throws Exception {
    initSite();
    Files.append(
        ConfigNotesMigration.allEnabledConfig().toText(),
        new File(sitePath.toString(), "etc/gerrit.config"),
        UTF_8);
    runGerrit("RebuildNoteDb", "-d", sitePath.toString(), "--show-stack-trace");
  }

  private void initSite() throws Exception {
    runGerrit(
        "init",
        "-d",
        sitePath.getPath(),
        "--batch",
        "--no-auto-start",
        "--skip-plugins",
        "--show-stack-trace");
  }

  private static void runGerrit(String... args) throws Exception {
    assertThat(GerritLauncher.mainImpl(args)).isEqualTo(0);
  }
}

@@ -757,16 +757,59 @@
 UTF_8;%0A%0A
+import com.google.common.io.FileWriteMode;%0A
 import c
@@ -1482,73 +1482,23 @@
 es.a
-ppend
+sCharSink
 (%0A    
-    ConfigNotesMigration.allEnabledConfig().toText(),%0A
     
@@ -1556,22 +1556,101 @@
 g%22),
-%0A        UTF_8
+ UTF_8, FileWriteMode.APPEND)%0A        .write(ConfigNotesMigration.allEnabledConfig().toText()
 );%0A 

Replace to be deprecated Files.append with Files.asCharSink