| // Copyright (C) 2015 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.googlesource.gerrit.plugins.importer; |
| |
| import com.google.gerrit.common.errors.NoSuchAccountException; |
| import com.google.gerrit.extensions.common.ChangeInfo; |
| import com.google.gerrit.extensions.common.RevisionInfo; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.client.PatchSetInfo; |
| import com.google.gerrit.reviewdb.client.RevId; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.patch.PatchSetInfoFactory; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.assistedinject.Assisted; |
| |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.RefUpdate; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| class ReplayRevisionsStep { |
| |
| interface Factory { |
| ReplayRevisionsStep create(Repository repo, RevWalk rw, Change change, |
| ChangeInfo changeInfo); |
| } |
| |
| private static final Logger log = LoggerFactory |
| .getLogger(ReplayRevisionsStep.class); |
| |
| private final AccountUtil accountUtil; |
| private final ReviewDb db; |
| private final PatchSetInfoFactory patchSetInfoFactory; |
| private final Repository repo; |
| private final RevWalk rw; |
| private final Change change; |
| private final ChangeInfo changeInfo; |
| |
| @Inject |
| public ReplayRevisionsStep(AccountUtil accountUtil, |
| ReviewDb db, |
| PatchSetInfoFactory patchSetInfoFactory, |
| @Assisted Repository repo, |
| @Assisted RevWalk rw, |
| @Assisted Change change, |
| @Assisted ChangeInfo changeInfo) { |
| this.accountUtil = accountUtil; |
| this.db = db; |
| this.patchSetInfoFactory = patchSetInfoFactory; |
| this.repo = repo; |
| this.rw = rw; |
| this.change = change; |
| this.changeInfo = changeInfo; |
| } |
| |
| void replay(GerritApi api) |
| throws IOException, OrmException, NoSuchAccountException, |
| RestApiException, ConfigInvalidException { |
| List<RevisionInfo> revisions = new ArrayList<>(changeInfo.revisions.values()); |
| sortRevisionInfoByNumber(revisions); |
| List<PatchSet> patchSets = new ArrayList<>(); |
| |
| db.changes().beginTransaction(change.getId()); |
| try { |
| PatchSetInfo info = null; |
| for (RevisionInfo r : revisions) { |
| if (r.draft != null && r.draft) { |
| // no import of draft patch sets |
| continue; |
| } |
| PatchSet ps = new PatchSet(new PatchSet.Id(change.getId(), r._number)); |
| String newRef = ps.getId().toRefName(); |
| ObjectId newId = repo.resolve(newRef); |
| String origRef = imported(r.ref); |
| ObjectId id = repo.resolve(origRef); |
| if (id == null) { |
| continue; |
| } |
| RevCommit commit = rw.parseCommit(id); |
| if (newId != null) { |
| RevCommit newCommit = rw.parseCommit(newId); |
| if (newCommit.equals(commit)) { |
| // already replayed |
| continue; |
| } |
| // a patch set with the same number was created both in the source |
| // and in the target system |
| log.warn(String.format( |
| "Project %s was modified in target system: " |
| + "Skip replay revision for patch set %s.", |
| change.getProject().get(), ps.getId().toString())); |
| continue; |
| } |
| |
| patchSets.add(ps); |
| |
| ps.setUploader(accountUtil.resolveUser(api, r.uploader)); |
| ps.setCreatedOn(r.created); |
| ps.setRevision(new RevId(commit.name())); |
| ps.setDraft(r.draft != null && r.draft); |
| |
| info = patchSetInfoFactory.get(rw, commit, ps.getId()); |
| if (info.getRevId().equals(changeInfo.currentRevision)) { |
| change.setCurrentPatchSet(info); |
| } |
| |
| updateRef(repo, ps); |
| } |
| |
| if (change.currentPatchSetId() == null) { |
| if (changeInfo.currentRevision != null) { |
| log.warn(String.format( |
| "Current revision %s of change %s not found." |
| + " Setting lastest revision %s as current patch set.", |
| changeInfo.currentRevision, changeInfo.id, info.getRevId())); |
| } else { |
| log.warn(String.format( |
| "Change %s has no current revision." |
| + " Setting lastest revision %s as current patch set.", |
| changeInfo.id, info.getRevId())); |
| } |
| change.setCurrentPatchSet(info); |
| } |
| |
| db.patchSets().insert(patchSets); |
| db.commit(); |
| } finally { |
| db.rollback(); |
| } |
| } |
| |
| private static String imported(String ref) { |
| return ConfigureRepositoryStep.R_IMPORTS |
| + ref.substring(Constants.R_REFS.length()); |
| } |
| |
| private static void sortRevisionInfoByNumber(List<RevisionInfo> list) { |
| Collections.sort(list, new Comparator<RevisionInfo>() { |
| @Override |
| public int compare(RevisionInfo a, RevisionInfo b) { |
| return a._number - b._number; |
| } |
| }); |
| } |
| |
| private void updateRef(Repository repo, PatchSet ps) |
| throws IOException { |
| String ref = ps.getId().toRefName(); |
| RefUpdate ru = repo.updateRef(ref); |
| ru.setExpectedOldObjectId(ObjectId.zeroId()); |
| ru.setNewObjectId(ObjectId.fromString(ps.getRevision().get())); |
| RefUpdate.Result result = ru.update(); |
| switch (result) { |
| case NEW: |
| case FORCED: |
| case FAST_FORWARD: |
| return; |
| case IO_FAILURE: |
| case LOCK_FAILURE: |
| case NOT_ATTEMPTED: |
| case NO_CHANGE: |
| case REJECTED: |
| case REJECTED_CURRENT_BRANCH: |
| case RENAMED: |
| case REJECTED_MISSING_OBJECT: |
| case REJECTED_OTHER_REASON: |
| default: |
| throw new IOException(String.format( |
| "Failed to create ref %s, RefUpdate.Result = %s", ref, result)); |
| } |
| } |
| } |