1 files changed, 128 insertions, 0 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java b/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java
new file mode 100644
index 0000000000..fbe9d16732
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java
@@ -0,0 +1,128 @@
+// Copyright (C) 2011 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.reviewdb.client.Project;
+import com.google.gerrit.server.GerritPersonIdent;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.inject.Inject;
+import com.google.inject.assistedinject.Assisted;
+
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.lib.CommitBuilder;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.lib.Repository;
+
+/** Helps with the updating of a {@link VersionedMetaData}. */
+public class MetaDataUpdate {
+  public static class User {
+    private final InternalFactory factory;
+    private final GitRepositoryManager mgr;
+    private final PersonIdent serverIdent;
+    private final PersonIdent userIdent;
+
+    @Inject
+    User(InternalFactory factory, GitRepositoryManager mgr,
+        @GerritPersonIdent PersonIdent serverIdent, IdentifiedUser currentUser) {
+      this.factory = factory;
+      this.mgr = mgr;
+      this.serverIdent = serverIdent;
+      this.userIdent = currentUser.newCommitterIdent( //
+          serverIdent.getWhen(), //
+          serverIdent.getTimeZone());
+    }
+
+    public PersonIdent getUserPersonIdent() {
+      return userIdent;
+    }
+
+    public MetaDataUpdate create(Project.NameKey name)
+        throws RepositoryNotFoundException {
+      MetaDataUpdate md = factory.create(name, mgr.openRepository(name));
+      md.getCommitBuilder().setAuthor(userIdent);
+      md.getCommitBuilder().setCommitter(serverIdent);
+      return md;
+    }
+  }
+
+  public static class Server {
+    private final InternalFactory factory;
+    private final GitRepositoryManager mgr;
+    private final PersonIdent serverIdent;
+
+    @Inject
+    Server(InternalFactory factory, GitRepositoryManager mgr,
+        @GerritPersonIdent PersonIdent serverIdent) {
+      this.factory = factory;
+      this.mgr = mgr;
+      this.serverIdent = serverIdent;
+    }
+
+    public MetaDataUpdate create(Project.NameKey name)
+        throws RepositoryNotFoundException {
+      MetaDataUpdate md = factory.create(name, mgr.openRepository(name));
+      md.getCommitBuilder().setAuthor(serverIdent);
+      md.getCommitBuilder().setCommitter(serverIdent);
+      return md;
+    }
+  }
+
+  interface InternalFactory {
+    MetaDataUpdate create(@Assisted Project.NameKey projectName,
+        @Assisted Repository db);
+  }
+
+  private final ReplicationQueue replication;
+  private final Project.NameKey projectName;
+  private final Repository db;
+  private final CommitBuilder commit;
+
+  @Inject
+  public MetaDataUpdate(ReplicationQueue replication,
+      @Assisted Project.NameKey projectName, @Assisted Repository db) {
+    this.replication = replication;
+    this.projectName = projectName;
+    this.db = db;
+    this.commit = new CommitBuilder();
+  }
+
+  /** Set the commit message used when committing the update. */
+  public void setMessage(String message) {
+    getCommitBuilder().setMessage(message);
+  }
+
+  /** Close the cached Repository handle. */
+  public void close() {
+    getRepository().close();
+  }
+
+  Project.NameKey getProjectName() {
+    return projectName;
+  }
+
+  Repository getRepository() {
+    return db;
+  }
+
+  public CommitBuilder getCommitBuilder() {
+    return commit;
+  }
+
+  void replicate(String ref) {
+    if (replication.isEnabled()) {
+      replication.scheduleUpdate(projectName, ref);
+    }
+  }
+}