| // Copyright (C) 2022 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.owners; |
| |
| import static com.google.gerrit.server.project.ProjectCache.illegalState; |
| import static java.util.Objects.requireNonNull; |
| |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.entities.Change; |
| import com.google.gerrit.entities.Project; |
| import com.google.gerrit.entities.SubmitRecord; |
| import com.google.gerrit.extensions.annotations.Exports; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.patch.DiffNotAvailableException; |
| import com.google.gerrit.server.patch.DiffOperations; |
| import com.google.gerrit.server.patch.filediff.FileDiffOutput; |
| import com.google.gerrit.server.project.ProjectCache; |
| import com.google.gerrit.server.project.ProjectState; |
| import com.google.gerrit.server.query.change.ChangeData; |
| import com.google.gerrit.server.rules.SubmitRule; |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.googlesource.gerrit.owners.common.Accounts; |
| import com.googlesource.gerrit.owners.common.PathOwners; |
| import com.googlesource.gerrit.owners.common.PluginSettings; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.concurrent.TimeUnit; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Repository; |
| |
| @Singleton |
| public class OwnersSubmitRequirement implements SubmitRule { |
| public static class OwnersSubmitRequirementModule extends AbstractModule { |
| @Override |
| public void configure() { |
| bind(SubmitRule.class) |
| .annotatedWith(Exports.named("OwnersSubmitRequirement")) |
| .to(OwnersSubmitRequirement.class); |
| } |
| } |
| |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| private final PluginSettings pluginSettings; |
| private final ProjectCache projectCache; |
| private final Accounts accounts; |
| private final GitRepositoryManager repoManager; |
| private final DiffOperations diffOperations; |
| |
| @Inject |
| OwnersSubmitRequirement( |
| PluginSettings pluginSettings, |
| ProjectCache projectCache, |
| Accounts accounts, |
| GitRepositoryManager repoManager, |
| DiffOperations diffOperations) { |
| this.pluginSettings = pluginSettings; |
| this.projectCache = projectCache; |
| this.accounts = accounts; |
| this.repoManager = repoManager; |
| this.diffOperations = diffOperations; |
| } |
| |
| @Override |
| public Optional<SubmitRecord> evaluate(ChangeData cd) { |
| requireNonNull(cd, "changeData"); |
| |
| Change change = cd.change(); |
| if (change.isClosed()) { |
| logger.atInfo().log("Change is closed therefore OWNERS file based requirement is skipped."); |
| return Optional.empty(); |
| } |
| |
| Project.NameKey project = cd.project(); |
| ProjectState projectState = projectCache.get(project).orElseThrow(illegalState(project)); |
| if (projectState.hasPrologRules()) { |
| logger.atInfo().atMostEvery(1, TimeUnit.DAYS).log( |
| "Project has prolog rules enabled. It may interfere with submit requirement evaluation."); |
| } |
| |
| String branch = change.getDest().branch(); |
| List<Project.NameKey> parents = |
| Optional.ofNullable(projectState.getProject().getParent()) |
| .map(Arrays::asList) |
| .orElse(Collections.emptyList()); |
| |
| try (Repository repo = repoManager.openRepository(project)) { |
| PathOwners pathOwners = |
| new PathOwners( |
| accounts, |
| repoManager, |
| repo, |
| parents, |
| pluginSettings.isBranchDisabled(branch) ? Optional.empty() : Optional.of(branch), |
| getDiff(project, cd.currentPatchSet().commitId()), |
| pluginSettings.expandGroups()); |
| |
| if (pathOwners.getFileOwners().isEmpty()) { |
| logger.atInfo().log("Change has no file owners defined. Skipping submit requirement."); |
| return Optional.empty(); |
| } |
| |
| logger.atInfo().log("TODO: check if change is approved."); |
| } catch (IOException e) { |
| logger.atSevere().withCause(e).log("TODO: handle exceptions"); |
| throw new IllegalStateException( |
| "Unable to open repository while evaluating owners requirement", e); |
| } catch (DiffNotAvailableException e) { |
| logger.atSevere().withCause(e).log("TODO: handle exceptions"); |
| throw new IllegalStateException("Unable to get diff while evaluating owners requirement", e); |
| } |
| |
| return Optional.empty(); |
| } |
| |
| private Map<String, FileDiffOutput> getDiff(Project.NameKey project, ObjectId revision) |
| throws DiffNotAvailableException { |
| requireNonNull(project, "project"); |
| requireNonNull(revision, "revision"); |
| |
| // Use parentNum=0 to do the comparison against the default base. |
| // For non-merge commits the default base is the only parent (aka parent 1, initial commits |
| // are not supported). |
| // For merge commits the default base is the auto-merge commit which should be used as base IOW |
| // only the changes from it should be reviewed as changes against the parent 1 were already |
| // reviewed |
| return diffOperations.listModifiedFilesAgainstParent(project, revision, 0); |
| } |
| } |