| // Copyright (C) 2012 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.strategy; |
| |
| import com.google.gerrit.reviewdb.client.PatchSetApproval; |
| import com.google.gerrit.server.git.CodeReviewCommit; |
| import com.google.gerrit.server.git.CommitMergeStatus; |
| import com.google.gerrit.server.git.MergeException; |
| import com.google.gerrit.server.git.MergeTip; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| public class FastForwardOnly extends SubmitStrategy { |
| FastForwardOnly(SubmitStrategy.Arguments args) { |
| super(args); |
| } |
| |
| @Override |
| protected MergeTip _run(final CodeReviewCommit branchTip, |
| final Collection<CodeReviewCommit> toMerge) throws MergeException { |
| MergeTip mergeTip = new MergeTip(branchTip, toMerge); |
| List<CodeReviewCommit> sorted = args.mergeUtil.reduceToMinimalMerge( |
| args.mergeSorter, toMerge); |
| final CodeReviewCommit newMergeTipCommit = |
| args.mergeUtil.getFirstFastForward(branchTip, args.rw, sorted); |
| mergeTip.moveTipTo(newMergeTipCommit, newMergeTipCommit); |
| |
| while (!sorted.isEmpty()) { |
| final CodeReviewCommit n = sorted.remove(0); |
| n.setStatusCode(CommitMergeStatus.NOT_FAST_FORWARD); |
| } |
| |
| PatchSetApproval submitApproval = |
| args.mergeUtil.markCleanMerges(args.rw, args.canMergeFlag, newMergeTipCommit, |
| args.alreadyAccepted); |
| setRefLogIdent(submitApproval); |
| |
| return mergeTip; |
| } |
| |
| @Override |
| public boolean retryOnLockFailure() { |
| return false; |
| } |
| |
| @Override |
| public boolean dryRun(CodeReviewCommit mergeTip, |
| CodeReviewCommit toMerge) throws MergeException { |
| return args.mergeUtil.canFastForward(args.mergeSorter, mergeTip, args.rw, |
| toMerge); |
| } |
| } |