Line data    Source code

       1             : // Copyright (C) 2018 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.testing;
      16             : 
      17             : import static com.google.common.collect.ImmutableList.toImmutableList;
      18             : 
      19             : import com.google.common.collect.ImmutableList;
      20             : import com.google.common.collect.Streams;
      21             : import com.google.gerrit.extensions.common.CommitInfo;
      22             : import com.google.gerrit.server.git.CommitUtil;
      23             : import java.io.IOException;
      24             : import org.eclipse.jgit.lib.Ref;
      25             : import org.eclipse.jgit.lib.Repository;
      26             : import org.eclipse.jgit.revwalk.RevSort;
      27             : import org.eclipse.jgit.revwalk.RevWalk;
      28             : 
      29           0 : public class GitTestUtil {
      30             :   public static ImmutableList<CommitInfo> log(Repository repo, String refName) throws Exception {
      31           1 :     try (RevWalk rw = new RevWalk(repo)) {
      32           1 :       Ref ref = repo.exactRef(refName);
      33           1 :       if (ref != null) {
      34           1 :         rw.sort(RevSort.REVERSE);
      35           1 :         rw.markStart(rw.parseCommit(ref.getObjectId()));
      36           1 :         return Streams.stream(rw)
      37           1 :             .map(
      38             :                 c -> {
      39             :                   try {
      40           1 :                     return CommitUtil.toCommitInfo(c);
      41           0 :                   } catch (IOException e) {
      42           0 :                     throw new IllegalStateException(
      43           0 :                         "unexpected state when converting commit " + c.getName(), e);
      44             :                   }
      45             :                 })
      46           1 :             .collect(toImmutableList());
      47             :       }
      48           1 :     }
      49           0 :     return ImmutableList.of();
      50             :   }
      51             : }