1 files changed, 119 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/schema/Schema_120.java b/java/com/google/gerrit/server/schema/Schema_120.java
new file mode 100644
index 0000000000..f2f3b99ceb
--- /dev/null
+++ b/java/com/google/gerrit/server/schema/Schema_120.java
@@ -0,0 +1,119 @@
+// Copyright (C) 2016 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.schema;
+
+import com.google.gerrit.common.data.SubscribeSection;
+import com.google.gerrit.reviewdb.client.Branch;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.GerritPersonIdent;
+import com.google.gerrit.server.extensions.events.GitReferenceUpdated;
+import com.google.gerrit.server.git.GitRepositoryManager;
+import com.google.gerrit.server.git.meta.MetaDataUpdate;
+import com.google.gerrit.server.project.ProjectConfig;
+import com.google.gwtorm.jdbc.JdbcSchema;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import java.io.IOException;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import org.eclipse.jgit.errors.ConfigInvalidException;
+import org.eclipse.jgit.lib.BatchRefUpdate;
+import org.eclipse.jgit.lib.NullProgressMonitor;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.transport.RefSpec;
+
+public class Schema_120 extends SchemaVersion {
+
+  private final GitRepositoryManager mgr;
+  private final PersonIdent serverUser;
+
+  @Inject
+  Schema_120(
+      Provider<Schema_119> prior,
+      GitRepositoryManager mgr,
+      @GerritPersonIdent PersonIdent serverUser) {
+    super(prior);
+    this.mgr = mgr;
+    this.serverUser = serverUser;
+  }
+
+  private void allowSubmoduleSubscription(Branch.NameKey subbranch, Branch.NameKey superBranch)
+      throws OrmException {
+    try (Repository git = mgr.openRepository(subbranch.getParentKey());
+        RevWalk rw = new RevWalk(git)) {
+      BatchRefUpdate bru = git.getRefDatabase().newBatchUpdate();
+      try (MetaDataUpdate md =
+          new MetaDataUpdate(GitReferenceUpdated.DISABLED, subbranch.getParentKey(), git, bru)) {
+        md.getCommitBuilder().setAuthor(serverUser);
+        md.getCommitBuilder().setCommitter(serverUser);
+        md.setMessage("Added superproject subscription during upgrade");
+        ProjectConfig pc = ProjectConfig.read(md);
+
+        SubscribeSection s = null;
+        for (SubscribeSection s1 : pc.getSubscribeSections(subbranch)) {
+          if (s1.getProject().equals(superBranch.getParentKey())) {
+            s = s1;
+          }
+        }
+        if (s == null) {
+          s = new SubscribeSection(superBranch.getParentKey());
+          pc.addSubscribeSection(s);
+        }
+        RefSpec newRefSpec = new RefSpec(subbranch.get() + ":" + superBranch.get());
+
+        if (!s.getMatchingRefSpecs().contains(newRefSpec)) {
+          // For the migration we use only exact RefSpecs, we're not trying to
+          // generalize it.
+          s.addMatchingRefSpec(newRefSpec);
+        }
+
+        pc.commit(md);
+      }
+      bru.execute(rw, NullProgressMonitor.INSTANCE);
+    } catch (ConfigInvalidException | IOException e) {
+      throw new OrmException(e);
+    }
+  }
+
+  @Override
+  protected void migrateData(ReviewDb db, UpdateUI ui) throws OrmException, SQLException {
+    ui.message("Generating Superproject subscriptions table to submodule ACLs");
+
+    try (Statement stmt = ((JdbcSchema) db).getConnection().createStatement();
+        ResultSet rs =
+            stmt.executeQuery(
+                "SELECT "
+                    + "super_project_project_name, "
+                    + "super_project_branch_name, "
+                    + "submodule_project_name, "
+                    + "submodule_branch_name "
+                    + "FROM submodule_subscriptions")) {
+      while (rs.next()) {
+        Project.NameKey superproject = new Project.NameKey(rs.getString(1));
+        Branch.NameKey superbranch = new Branch.NameKey(superproject, rs.getString(2));
+
+        Project.NameKey submodule = new Project.NameKey(rs.getString(3));
+        Branch.NameKey subbranch = new Branch.NameKey(submodule, rs.getString(4));
+
+        allowSubmoduleSubscription(subbranch, superbranch);
+      }
+    }
+  }
+}