1 files changed, 341 insertions, 0 deletions
diff --git a/java/com/google/gerrit/sshd/commands/ReviewCommand.java b/java/com/google/gerrit/sshd/commands/ReviewCommand.java
new file mode 100644
index 0000000000..bc8ef2af28
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+++ b/java/com/google/gerrit/sshd/commands/ReviewCommand.java
@@ -0,0 +1,341 @@
+// Copyright (C) 2009 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.sshd.commands;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import com.google.common.base.Strings;
+import com.google.common.flogger.FluentLogger;
+import com.google.common.io.CharStreams;
+import com.google.gerrit.common.data.LabelType;
+import com.google.gerrit.common.data.LabelValue;
+import com.google.gerrit.extensions.api.GerritApi;
+import com.google.gerrit.extensions.api.changes.AbandonInput;
+import com.google.gerrit.extensions.api.changes.ChangeApi;
+import com.google.gerrit.extensions.api.changes.MoveInput;
+import com.google.gerrit.extensions.api.changes.NotifyHandling;
+import com.google.gerrit.extensions.api.changes.RestoreInput;
+import com.google.gerrit.extensions.api.changes.ReviewInput;
+import com.google.gerrit.extensions.api.changes.RevisionApi;
+import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.reviewdb.client.PatchSet;
+import com.google.gerrit.server.OutputFormat;
+import com.google.gerrit.server.config.AllProjectsName;
+import com.google.gerrit.server.project.NoSuchChangeException;
+import com.google.gerrit.server.project.ProjectCache;
+import com.google.gerrit.server.project.ProjectState;
+import com.google.gerrit.server.util.LabelVote;
+import com.google.gerrit.sshd.CommandMetaData;
+import com.google.gerrit.sshd.SshCommand;
+import com.google.gerrit.util.cli.CmdLineParser;
+import com.google.gson.JsonSyntaxException;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+import org.kohsuke.args4j.Argument;
+import org.kohsuke.args4j.Option;
+
+@CommandMetaData(name = "review", description = "Apply reviews to one or more patch sets")
+public class ReviewCommand extends SshCommand {
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
+  @Override
+  protected final CmdLineParser newCmdLineParser(Object options) {
+    final CmdLineParser parser = super.newCmdLineParser(options);
+    for (ApproveOption c : optionList) {
+      parser.addOption(c, c);
+    }
+    return parser;
+  }
+
+  private final Set<PatchSet> patchSets = new HashSet<>();
+
+  @Argument(
+      index = 0,
+      required = true,
+      multiValued = true,
+      metaVar = "{COMMIT | CHANGE,PATCHSET}",
+      usage = "list of commits or patch sets to review")
+  void addPatchSetId(String token) {
+    try {
+      PatchSet ps = psParser.parsePatchSet(token, projectState, branch);
+      patchSets.add(ps);
+    } catch (UnloggedFailure e) {
+      throw new IllegalArgumentException(e.getMessage(), e);
+    } catch (OrmException e) {
+      throw new IllegalArgumentException("database error", e);
+    }
+  }
+
+  @Option(
+      name = "--project",
+      aliases = "-p",
+      usage = "project containing the specified patch set(s)")
+  private ProjectState projectState;
+
+  @Option(name = "--branch", aliases = "-b", usage = "branch containing the specified patch set(s)")
+  private String branch;
+
+  @Option(
+      name = "--message",
+      aliases = "-m",
+      usage = "cover message to publish on change(s)",
+      metaVar = "MESSAGE")
+  private String changeComment;
+
+  @Option(
+      name = "--notify",
+      aliases = "-n",
+      usage = "Who to send email notifications to after the review is stored.",
+      metaVar = "NOTIFYHANDLING")
+  private NotifyHandling notify;
+
+  @Option(name = "--abandon", usage = "abandon the specified change(s)")
+  private boolean abandonChange;
+
+  @Option(name = "--restore", usage = "restore the specified abandoned change(s)")
+  private boolean restoreChange;
+
+  @Option(name = "--rebase", usage = "rebase the specified change(s)")
+  private boolean rebaseChange;
+
+  @Option(name = "--move", usage = "move the specified change(s)", metaVar = "BRANCH")
+  private String moveToBranch;
+
+  @Option(name = "--submit", aliases = "-s", usage = "submit the specified patch set(s)")
+  private boolean submitChange;
+
+  @Option(name = "--json", aliases = "-j", usage = "read review input json from stdin")
+  private boolean json;
+
+  @Option(
+      name = "--tag",
+      aliases = "-t",
+      usage = "applies a tag to the given review",
+      metaVar = "TAG")
+  private String changeTag;
+
+  @Option(
+      name = "--label",
+      aliases = "-l",
+      usage = "custom label(s) to assign",
+      metaVar = "LABEL=VALUE")
+  void addLabel(String token) {
+    LabelVote v = LabelVote.parseWithEquals(token);
+    LabelType.checkName(v.label()); // Disallow SUBM.
+    customLabels.put(v.label(), v.value());
+  }
+
+  @Inject private ProjectCache projectCache;
+
+  @Inject private AllProjectsName allProjects;
+
+  @Inject private GerritApi gApi;
+
+  @Inject private PatchSetParser psParser;
+
+  private List<ApproveOption> optionList;
+  private Map<String, Short> customLabels;
+
+  @Override
+  protected void run() throws UnloggedFailure {
+    if (abandonChange) {
+      if (restoreChange) {
+        throw die("abandon and restore actions are mutually exclusive");
+      }
+      if (submitChange) {
+        throw die("abandon and submit actions are mutually exclusive");
+      }
+      if (rebaseChange) {
+        throw die("abandon and rebase actions are mutually exclusive");
+      }
+      if (moveToBranch != null) {
+        throw die("abandon and move actions are mutually exclusive");
+      }
+    }
+    if (json) {
+      if (restoreChange) {
+        throw die("json and restore actions are mutually exclusive");
+      }
+      if (submitChange) {
+        throw die("json and submit actions are mutually exclusive");
+      }
+      if (abandonChange) {
+        throw die("json and abandon actions are mutually exclusive");
+      }
+      if (changeComment != null) {
+        throw die("json and message are mutually exclusive");
+      }
+      if (rebaseChange) {
+        throw die("json and rebase actions are mutually exclusive");
+      }
+      if (moveToBranch != null) {
+        throw die("json and move actions are mutually exclusive");
+      }
+      if (changeTag != null) {
+        throw die("json and tag actions are mutually exclusive");
+      }
+    }
+    if (rebaseChange) {
+      if (submitChange) {
+        throw die("rebase and submit actions are mutually exclusive");
+      }
+    }
+
+    boolean ok = true;
+    ReviewInput input = null;
+    if (json) {
+      input = reviewFromJson();
+    }
+
+    for (PatchSet patchSet : patchSets) {
+      try {
+        if (input != null) {
+          applyReview(patchSet, input);
+        } else {
+          reviewPatchSet(patchSet);
+        }
+      } catch (RestApiException | UnloggedFailure e) {
+        ok = false;
+        writeError("error", e.getMessage() + "\n");
+      } catch (NoSuchChangeException e) {
+        ok = false;
+        writeError("error", "no such change " + patchSet.getId().getParentKey().get());
+      } catch (Exception e) {
+        ok = false;
+        writeError("fatal", "internal server error while reviewing " + patchSet.getId() + "\n");
+        logger.atSevere().withCause(e).log("internal error while reviewing %s", patchSet.getId());
+      }
+    }
+
+    if (!ok) {
+      throw die("one or more reviews failed; review output above");
+    }
+  }
+
+  private void applyReview(PatchSet patchSet, ReviewInput review) throws RestApiException {
+    gApi.changes()
+        .id(patchSet.getId().getParentKey().get())
+        .revision(patchSet.getRevision().get())
+        .review(review);
+  }
+
+  private ReviewInput reviewFromJson() throws UnloggedFailure {
+    try (InputStreamReader r = new InputStreamReader(in, UTF_8)) {
+      return OutputFormat.JSON.newGson().fromJson(CharStreams.toString(r), ReviewInput.class);
+    } catch (IOException | JsonSyntaxException e) {
+      writeError("error", e.getMessage() + '\n');
+      throw die("internal error while reading review input");
+    }
+  }
+
+  private void reviewPatchSet(PatchSet patchSet) throws Exception {
+
+    ReviewInput review = new ReviewInput();
+    review.message = Strings.emptyToNull(changeComment);
+    review.tag = Strings.emptyToNull(changeTag);
+    review.notify = notify;
+    review.labels = new TreeMap<>();
+    review.drafts = ReviewInput.DraftHandling.PUBLISH;
+    for (ApproveOption ao : optionList) {
+      Short v = ao.value();
+      if (v != null) {
+        review.labels.put(ao.getLabelName(), v);
+      }
+    }
+    review.labels.putAll(customLabels);
+
+    // We don't need to add the review comment when abandoning/restoring.
+    if (abandonChange || restoreChange || moveToBranch != null) {
+      review.message = null;
+    }
+
+    try {
+      if (abandonChange) {
+        AbandonInput input = new AbandonInput();
+        input.message = Strings.emptyToNull(changeComment);
+        applyReview(patchSet, review);
+        changeApi(patchSet).abandon(input);
+      } else if (restoreChange) {
+        RestoreInput input = new RestoreInput();
+        input.message = Strings.emptyToNull(changeComment);
+        changeApi(patchSet).restore(input);
+        applyReview(patchSet, review);
+      } else {
+        applyReview(patchSet, review);
+      }
+
+      if (moveToBranch != null) {
+        MoveInput moveInput = new MoveInput();
+        moveInput.destinationBranch = moveToBranch;
+        moveInput.message = Strings.emptyToNull(changeComment);
+        changeApi(patchSet).move(moveInput);
+      }
+
+      if (rebaseChange) {
+        revisionApi(patchSet).rebase();
+      }
+
+      if (submitChange) {
+        revisionApi(patchSet).submit();
+      }
+
+    } catch (IllegalStateException | RestApiException e) {
+      throw die(e);
+    }
+  }
+
+  private ChangeApi changeApi(PatchSet patchSet) throws RestApiException {
+    return gApi.changes().id(patchSet.getId().getParentKey().get());
+  }
+
+  private RevisionApi revisionApi(PatchSet patchSet) throws RestApiException {
+    return changeApi(patchSet).revision(patchSet.getRevision().get());
+  }
+
+  @Override
+  protected void parseCommandLine() throws UnloggedFailure {
+    optionList = new ArrayList<>();
+    customLabels = new HashMap<>();
+
+    ProjectState allProjectsState;
+    try {
+      allProjectsState = projectCache.checkedGet(allProjects);
+    } catch (IOException e) {
+      throw die("missing " + allProjects.get());
+    }
+
+    for (LabelType type : allProjectsState.getLabelTypes().getLabelTypes()) {
+      StringBuilder usage = new StringBuilder("score for ").append(type.getName()).append("\n");
+
+      for (LabelValue v : type.getValues()) {
+        usage.append(v.format()).append("\n");
+      }
+
+      final String name = "--" + type.getName().toLowerCase();
+      optionList.add(new ApproveOption(name, usage.toString(), type));
+    }
+
+    super.parseCommandLine();
+  }
+}