1 files changed, 0 insertions, 91 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeSorter.java b/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeSorter.java
deleted file mode 100644
index d547d7fdb2..0000000000
--- a/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeSorter.java
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright (C) 2008 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.server.git;
-
-import com.google.gerrit.server.git.CodeReviewCommit.CodeReviewRevWalk;
-import com.google.gerrit.server.git.strategy.CommitMergeStatus;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
-import org.eclipse.jgit.revwalk.RevCommit;
-import org.eclipse.jgit.revwalk.RevCommitList;
-import org.eclipse.jgit.revwalk.RevFlag;
-
-public class MergeSorter {
-  private final CodeReviewRevWalk rw;
-  private final RevFlag canMergeFlag;
-  private final Set<RevCommit> accepted;
-  private final Set<CodeReviewCommit> incoming;
-
-  public MergeSorter(
-      CodeReviewRevWalk rw,
-      Set<RevCommit> alreadyAccepted,
-      RevFlag canMergeFlag,
-      Set<CodeReviewCommit> incoming) {
-    this.rw = rw;
-    this.canMergeFlag = canMergeFlag;
-    this.accepted = alreadyAccepted;
-    this.incoming = incoming;
-  }
-
-  Collection<CodeReviewCommit> sort(Collection<CodeReviewCommit> toMerge) throws IOException {
-    final Set<CodeReviewCommit> heads = new HashSet<>();
-    final Set<CodeReviewCommit> sort = new HashSet<>(toMerge);
-    while (!sort.isEmpty()) {
-      final CodeReviewCommit n = removeOne(sort);
-
-      rw.resetRetain(canMergeFlag);
-      rw.markStart(n);
-      for (RevCommit c : accepted) {
-        rw.markUninteresting(c);
-      }
-
-      CodeReviewCommit c;
-      RevCommitList<RevCommit> contents = new RevCommitList<>();
-      while ((c = rw.next()) != null) {
-        if (!c.has(canMergeFlag) || !incoming.contains(c)) {
-          // We cannot merge n as it would bring something we
-          // aren't permitted to merge at this time. Drop n.
-          //
-          n.setStatusCode(CommitMergeStatus.MISSING_DEPENDENCY);
-          break;
-        }
-        contents.add(c);
-      }
-
-      if (n.getStatusCode() == CommitMergeStatus.MISSING_DEPENDENCY) {
-        continue;
-      }
-
-      // Anything reachable through us is better merged by just
-      // merging us directly. So prune our ancestors out and let
-      // us merge instead.
-      //
-      sort.removeAll(contents);
-      heads.removeAll(contents);
-      heads.add(n);
-    }
-    return heads;
-  }
-
-  private static <T> T removeOne(Collection<T> c) {
-    final Iterator<T> i = c.iterator();
-    final T r = i.next();
-    i.remove();
-    return r;
-  }
-}