introducing HookBranchProvider to get informations about changed branches during a hook, see issue #668

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/api/GitHookBranchProvider.java

@@ -0,0 +1,119 @@
+/**
+ * Copyright (c) 2014, Sebastian Sdorra All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer. 2. Redistributions in
+ * binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. 3. Neither the name of SCM-Manager;
+ * nor the names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.repository.api;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableList.Builder;
+
+import org.eclipse.jgit.transport.ReceiveCommand;
+import org.eclipse.jgit.transport.ReceiveCommand.Type;
+
+import sonia.scm.repository.GitUtil;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class GitHookBranchProvider implements HookBranchProvider
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param commands
+   */
+  public GitHookBranchProvider(List<ReceiveCommand> commands)
+  {
+    Builder<String> createdOrModifiedBuilder = ImmutableList.builder();
+    Builder<String> deletedOrClosedBuilder = ImmutableList.builder();
+
+    for (ReceiveCommand command : commands)
+    {
+      Type type = command.getType();
+      String branch = GitUtil.getBranch(command.getRefName());
+
+      if ((type == Type.CREATE) || (type == Type.UPDATE)
+        || (type == Type.UPDATE_NONFASTFORWARD))
+      {
+        createdOrModifiedBuilder.add(branch);
+      }
+      else if (command.getType() == Type.DELETE)
+      {
+        deletedOrClosedBuilder.add(branch);
+      }
+    }
+
+    createdOrModified = createdOrModifiedBuilder.build();
+    deletedOrClosed = deletedOrClosedBuilder.build();
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public List<String> getCreatedOrModified()
+  {
+    return createdOrModified;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public List<String> getDeletedOrClosed()
+  {
+    return deletedOrClosed;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private final List<String> createdOrModified;
+
+  /** Field description */
+  private final List<String> deletedOrClosed;
+}

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitHookContextProvider.java

@@ -36,7 +36,9 @@ package sonia.scm.repository.spi;
 import org.eclipse.jgit.transport.ReceiveCommand;
 import org.eclipse.jgit.transport.ReceivePack;
 
+import sonia.scm.repository.api.GitHookBranchProvider;
 import sonia.scm.repository.api.GitHookMessageProvider;
+import sonia.scm.repository.api.HookBranchProvider;
 import sonia.scm.repository.api.HookFeature;
 import sonia.scm.repository.api.HookMessageProvider;
 
@@ -55,7 +57,8 @@ public class GitHookContextProvider extends HookContextProvider
 
   /** Field description */
   private static final Set<HookFeature> SUPPORTED_FEATURES =
-    EnumSet.of(HookFeature.MESSAGE_PROVIDER, HookFeature.CHANGESET_PROVIDER);
+    EnumSet.of(HookFeature.MESSAGE_PROVIDER, HookFeature.CHANGESET_PROVIDER,
+      HookFeature.BRANCH_PROVIDER);
 
   //~--- constructors ---------------------------------------------------------
 
@@ -70,6 +73,7 @@ public class GitHookContextProvider extends HookContextProvider
     List<ReceiveCommand> receiveCommands)
   {
     this.receivePack = receivePack;
+    this.receiveCommands = receiveCommands;
     this.changesetProvider = new GitHookChangesetProvider(receivePack,
       receiveCommands);
   }
@@ -90,6 +94,18 @@ public class GitHookContextProvider extends HookContextProvider
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public HookBranchProvider getBranchProvider()
+  {
+    return new GitHookBranchProvider(receiveCommands);
+  }
+
   /**
    * Method description
    *
@@ -117,8 +133,11 @@ public class GitHookContextProvider extends HookContextProvider
   //~--- fields ---------------------------------------------------------------
 
   /** Field description */
-  private GitHookChangesetProvider changesetProvider;
+  private final GitHookChangesetProvider changesetProvider;
 
   /** Field description */
-  private ReceivePack receivePack;
+  private final List<ReceiveCommand> receiveCommands;
+
+  /** Field description */
+  private final ReceivePack receivePack;
 }