implement new hook api for mercurial repositories

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/HgCommandContext.java

@@ -36,18 +36,13 @@ package sonia.scm.repository.spi;
 //~--- non-JDK imports --------------------------------------------------------
 
 import com.aragost.javahg.Repository;
-import com.aragost.javahg.RepositoryConfiguration;
 
 import com.google.common.base.Strings;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import sonia.scm.repository.HgConfig;
-import sonia.scm.repository.HgEnvironment;
 import sonia.scm.repository.HgHookManager;
 import sonia.scm.repository.HgRepositoryHandler;
-import sonia.scm.repository.spi.javahg.HgFileviewExtension;
+import sonia.scm.web.HgUtil;
 
 //~--- JDK imports ------------------------------------------------------------
 
@@ -55,8 +50,6 @@ import java.io.Closeable;
 import java.io.File;
 import java.io.IOException;
 
-import java.nio.charset.Charset;
-
 /**
  *
  * @author Sebastian Sdorra
@@ -67,12 +60,6 @@ public class HgCommandContext implements Closeable
   /** Field description */
   private static final String PROPERTY_ENCODING = "hg.encoding";
 
-  /**
-   * the logger for HgCommandContext
-   */
-  private static final Logger logger =
-    LoggerFactory.getLogger(HgCommandContext.class);
-
   //~--- constructors ---------------------------------------------------------
 
   /**
@@ -98,7 +85,6 @@ public class HgCommandContext implements Closeable
    *
    *
    * @param hookManager
-   * @param config
    * @param hanlder
    * @param repository
    * @param directory
@@ -147,33 +133,8 @@ public class HgCommandContext implements Closeable
   {
     if (repository == null)
     {
-      RepositoryConfiguration repoConfiguration =
-        RepositoryConfiguration.DEFAULT;
-
-      HgEnvironment.prepareEnvironment(repoConfiguration.getEnvironment(),
-        hanlder, hookManager);
-
-      repoConfiguration.addExtension(HgFileviewExtension.class);
-      repoConfiguration.setEnablePendingChangesets(pending);
-
-      try
-      {
-        Charset charset = Charset.forName(encoding);
-
-        if (logger.isTraceEnabled())
-        {
-          logger.trace("set encoding {} for mercurial", encoding);
-        }
-
-        repoConfiguration.setEncoding(charset);
-      }
-      catch (IllegalArgumentException ex)
-      {
-        logger.error("could not set encoding for mercurial", ex);
-      }
-
-      repoConfiguration.setHgBin(hanlder.getConfig().getHgBinary());
-      repository = Repository.open(repoConfiguration, directory);
+      repository = HgUtil.open(hanlder, hookManager, directory, encoding,
+        pending);
     }
 
     return repository;

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/HgHookChangesetProvider.java

@@ -0,0 +1,170 @@
+/**
+ * Copyright (c) 2010, 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.spi;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.aragost.javahg.Repository;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.repository.HgHookManager;
+import sonia.scm.repository.HgRepositoryHandler;
+import sonia.scm.repository.RepositoryHookType;
+import sonia.scm.repository.spi.javahg.HgLogChangesetCommand;
+import sonia.scm.web.HgUtil;
+
+import static sonia.scm.repository.HgRepositoryHookEvent.REV_TIP;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class HgHookChangesetProvider implements HookChangesetProvider
+{
+
+  /**
+   * the logger for HgHookChangesetProvider
+   */
+  private static final Logger logger =
+    LoggerFactory.getLogger(HgHookChangesetProvider.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param repositoryName
+   * @param hookManager
+   * @param startRev
+   * @param type
+   */
+  public HgHookChangesetProvider(HgRepositoryHandler handler,
+    String repositoryName, HgHookManager hookManager, String startRev,
+    RepositoryHookType type)
+  {
+    this.handler = handler;
+    this.repositoryName = repositoryName;
+    this.hookManager = hookManager;
+    this.startRev = startRev;
+    this.type = type;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   *
+   * @return
+   */
+  @Override
+  public HookChangesetResponse handleRequest(HookChangesetRequest request)
+  {
+    if (response == null)
+    {
+      Repository repository = null;
+
+      try
+      {
+        repository = open();
+
+        HgLogChangesetCommand cmd = HgLogChangesetCommand.on(repository,
+                                      handler.getConfig());
+
+        response = new HookChangesetResponse(
+          cmd.rev(startRev.concat(":").concat(REV_TIP)).execute());
+      }
+      catch (Exception ex)
+      {
+        logger.error("could not retrieve changesets", ex);
+      }
+      finally
+      {
+        if (repository != null)
+        {
+          repository.close();
+        }
+      }
+    }
+
+    return response;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  private Repository open()
+  {
+    File directory = handler.getConfig().getRepositoryDirectory();
+    File repositoryDirectory = new File(directory, repositoryName);
+
+    // use HG_PENDING only for pre receive hooks
+    boolean pending = type == RepositoryHookType.PRE_RECEIVE;
+
+    // TODO get repository encoding
+    return HgUtil.open(handler, hookManager, repositoryDirectory, null,
+      pending);
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private HgRepositoryHandler handler;
+
+  /** Field description */
+  private HgHookManager hookManager;
+
+  /** Field description */
+  private String repositoryName;
+
+  /** Field description */
+  private HookChangesetResponse response;
+
+  /** Field description */
+  private String startRev;
+
+  /** Field description */
+  private RepositoryHookType type;
+}

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/HgHookContextProvider.java

@@ -0,0 +1,158 @@
+/**
+ * Copyright (c) 2010, 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.spi;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import sonia.scm.repository.HgHookManager;
+import sonia.scm.repository.HgRepositoryHandler;
+import sonia.scm.repository.RepositoryHookType;
+import sonia.scm.repository.api.HookFeature;
+import sonia.scm.repository.api.HookMessageProvider;
+import sonia.scm.repositorya.api.HgHookMessageProvider;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.EnumSet;
+import java.util.Set;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class HgHookContextProvider extends HookContextProvider
+{
+
+  /** Field description */
+  private static final Set<HookFeature> SUPPORTED_FEATURES =
+    EnumSet.of(HookFeature.CHANGESET_PROVIDER, HookFeature.MESSAGE_PROVIDER);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param repositoryName
+   * @param hookManager
+   * @param startRev
+   * @param type
+   */
+  public HgHookContextProvider(HgRepositoryHandler handler,
+    String repositoryName, HgHookManager hookManager, String startRev,
+    RepositoryHookType type)
+  {
+    this.handler = handler;
+    this.repositoryName = repositoryName;
+    this.hookManager = hookManager;
+    this.startRev = startRev;
+    this.type = type;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public HookChangesetProvider getChangesetProvider()
+  {
+    return new HgHookChangesetProvider(handler, repositoryName, hookManager,
+      startRev, type);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public HgHookMessageProvider getHgMessageProvider()
+  {
+    if (hgMessageProvider == null)
+    {
+      hgMessageProvider = new HgHookMessageProvider();
+    }
+
+    return hgMessageProvider;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public Set<HookFeature> getSupportedFeatures()
+  {
+    return SUPPORTED_FEATURES;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  protected HookMessageProvider createMessageProvider()
+  {
+    return getHgMessageProvider();
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private HgRepositoryHandler handler;
+
+  /** Field description */
+  private HgHookMessageProvider hgMessageProvider;
+
+  /** Field description */
+  private HgHookManager hookManager;
+
+  /** Field description */
+  private String repositoryName;
+
+  /** Field description */
+  private String startRev;
+
+  /** Field description */
+  private RepositoryHookType type;
+}

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repositorya/api/HgHookMessage.java

@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) 2010, 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.repositorya.api;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.Serializable;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public final class HgHookMessage implements Serializable
+{
+
+  /** Field description */
+  private static final long serialVersionUID = 1804492842452344326L;
+
+  //~--- constant enums -------------------------------------------------------
+
+  /**
+   * Enum description
+   *
+   */
+  public static enum Severity { NOTE, ERROR; }
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param severity
+   * @param message
+   */
+  public HgHookMessage(Severity severity, String message)
+  {
+    this.severity = severity;
+    this.message = message;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public String getMessage()
+  {
+    return message;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Severity getSeverity()
+  {
+    return severity;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private String message;
+
+  /** Field description */
+  private Severity severity;
+}

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repositorya/api/HgHookMessageProvider.java

@@ -0,0 +1,98 @@
+/**
+ * Copyright (c) 2010, 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.repositorya.api;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.collect.Lists;
+
+import sonia.scm.repository.api.HookMessageProvider;
+import sonia.scm.repositorya.api.HgHookMessage.Severity;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class HgHookMessageProvider implements HookMessageProvider
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @param message
+   */
+  @Override
+  public void sendError(String message)
+  {
+    getMessages().add(new HgHookMessage(Severity.ERROR, message));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param message
+   */
+  @Override
+  public void sendMessage(String message)
+  {
+    getMessages().add(new HgHookMessage(Severity.NOTE, message));
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public List<HgHookMessage> getMessages()
+  {
+    if (messages == null)
+    {
+      messages = Lists.newArrayList();
+    }
+
+    return messages;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private List<HgHookMessage> messages;
+}

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/web/HgHookCallbackServlet.java

@@ -49,11 +49,13 @@ import org.slf4j.LoggerFactory;
 import sonia.scm.repository.HgContext;
 import sonia.scm.repository.HgHookManager;
 import sonia.scm.repository.HgRepositoryHandler;
-import sonia.scm.repository.HgRepositoryHookEvent;
 import sonia.scm.repository.RepositoryHookType;
-import sonia.scm.repository.RepositoryManager;
 import sonia.scm.repository.RepositoryNotFoundException;
 import sonia.scm.repository.RepositoryUtil;
+import sonia.scm.repository.spi.HgHookContextProvider;
+import sonia.scm.repository.spi.HookEventFacade;
+import sonia.scm.repositorya.api.HgHookMessage;
+import sonia.scm.repositorya.api.HgHookMessage.Severity;
 import sonia.scm.security.CipherUtil;
 import sonia.scm.security.Tokens;
 import sonia.scm.util.HttpUtil;
@@ -64,6 +66,7 @@ import sonia.scm.util.Util;
 import java.io.IOException;
 import java.io.PrintWriter;
 
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -118,18 +121,18 @@ public class HgHookCallbackServlet extends HttpServlet
    * Constructs ...
    *
    *
-   * @param repositoryManager
+   *
+   * @param hookEventFacade
    * @param handler
    * @param hookManager
    * @param contextProvider
-   * @param securityContextProvider
    */
   @Inject
-  public HgHookCallbackServlet(RepositoryManager repositoryManager,
+  public HgHookCallbackServlet(HookEventFacade hookEventFacade,
     HgRepositoryHandler handler, HgHookManager hookManager,
     Provider<HgContext> contextProvider)
   {
-    this.repositoryManager = repositoryManager;
+    this.hookEventFacade = hookEventFacade;
     this.handler = handler;
     this.hookManager = hookManager;
     this.contextProvider = contextProvider;
@@ -228,7 +231,6 @@ public class HgHookCallbackServlet extends HttpServlet
    *
    *
    * @param request
-   * @param response
    * @param credentials
    */
   private void authenticate(HttpServletRequest request, String credentials)
@@ -278,9 +280,14 @@ public class HgHookCallbackServlet extends HttpServlet
         contextProvider.get().setPending(true);
       }
 
-      repositoryManager.fireHookEvent(HgRepositoryHandler.TYPE_NAME,
-        repositoryName,
-        new HgRepositoryHookEvent(handler, hookManager, repositoryName, node, type));
+      HgHookContextProvider context = new HgHookContextProvider(handler,
+                                        repositoryName, hookManager, node,
+                                        type);
+
+      hookEventFacade.handle(HgRepositoryHandler.TYPE_NAME,
+        repositoryName).fireHookEvent(type, context);
+
+      printMessages(response, context);
     }
     catch (RepositoryNotFoundException ex)
     {
@@ -356,6 +363,52 @@ public class HgHookCallbackServlet extends HttpServlet
     }
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param resonse
+   * @param context
+   *
+   * @throws IOException
+   */
+  private void printMessages(HttpServletResponse resonse,
+    HgHookContextProvider context)
+    throws IOException
+  {
+    List<HgHookMessage> msgs = context.getHgMessageProvider().getMessages();
+
+    if (Util.isNotEmpty(msgs))
+    {
+      PrintWriter writer = null;
+
+      try
+      {
+        writer = resonse.getWriter();
+
+        for (HgHookMessage msg : msgs)
+        {
+          writer.append('_');
+
+          if (msg.getSeverity() == Severity.ERROR)
+          {
+            writer.append("e[SCM] Error: ");
+          }
+          else
+          {
+            writer.append("n[SCM] ");
+          }
+
+          writer.println(msg.getMessage());
+        }
+      }
+      finally
+      {
+        Closeables.close(writer, false);
+      }
+    }
+  }
+
   /**
    * Method description
    *
@@ -437,8 +490,8 @@ public class HgHookCallbackServlet extends HttpServlet
   private HgRepositoryHandler handler;
 
   /** Field description */
-  private HgHookManager hookManager;
+  private HookEventFacade hookEventFacade;
 
   /** Field description */
-  private RepositoryManager repositoryManager;
+  private HgHookManager hookManager;
 }

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/web/HgUtil.java

@@ -35,15 +35,29 @@ package sonia.scm.web;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import com.aragost.javahg.Repository;
+import com.aragost.javahg.RepositoryConfiguration;
+
+import com.google.common.base.Strings;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import sonia.scm.SCMContext;
 import sonia.scm.repository.HgConfig;
+import sonia.scm.repository.HgEnvironment;
+import sonia.scm.repository.HgHookManager;
 import sonia.scm.repository.HgPythonScript;
+import sonia.scm.repository.HgRepositoryHandler;
+import sonia.scm.repository.spi.javahg.HgFileviewExtension;
 import sonia.scm.util.Util;
 
 //~--- JDK imports ------------------------------------------------------------
 
 import java.io.File;
 
+import java.nio.charset.Charset;
+
 /**
  *
  * @author Sebastian Sdorra
@@ -54,6 +68,11 @@ public final class HgUtil
   /** Field description */
   public static final String REVISION_TIP = "tip";
 
+  /**
+   * the logger for HgUtil
+   */
+  private static final Logger logger = LoggerFactory.getLogger(HgUtil.class);
+
   //~--- constructors ---------------------------------------------------------
 
   /**
@@ -62,6 +81,56 @@ public final class HgUtil
    */
   private HgUtil() {}
 
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param handler
+   * @param hookManager
+   * @param directory
+   * @param encoding
+   * @param pending
+   *
+   * @return
+   */
+  public static Repository open(HgRepositoryHandler handler,
+    HgHookManager hookManager, File directory, String encoding, boolean pending)
+  {
+    String enc = encoding;
+
+    if (Strings.isNullOrEmpty(enc))
+    {
+      enc = handler.getConfig().getEncoding();
+    }
+
+    RepositoryConfiguration repoConfiguration = RepositoryConfiguration.DEFAULT;
+
+    HgEnvironment.prepareEnvironment(repoConfiguration.getEnvironment(),
+      handler, hookManager);
+
+    repoConfiguration.addExtension(HgFileviewExtension.class);
+    repoConfiguration.setEnablePendingChangesets(pending);
+
+    try
+    {
+      Charset charset = Charset.forName(enc);
+
+      logger.trace("set encoding {} for mercurial", enc);
+
+      repoConfiguration.setEncoding(charset);
+    }
+    catch (IllegalArgumentException ex)
+    {
+      logger.error("could not set encoding for mercurial", ex);
+    }
+
+    repoConfiguration.setHgBin(handler.getConfig().getHgBinary());
+
+    return Repository.open(repoConfiguration, directory);
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**

scm-plugins/scm-hg-plugin/src/main/resources/sonia/scm/python/scmhooks.py

@@ -55,6 +55,9 @@ def callHookUrl(ui, repo, hooktype, node):
     conn = opener.open(req)
     if conn.code >= 200 and conn.code < 300:
       ui.debug( "scm-hook " + hooktype + " success with status code " + str(conn.code) + "\n" )
+      for line in conn:
+        if line.startswith("_e") or line.startswith("_n"):
+          ui.warn(line[2:]);
       abort = False
     else:
       ui.warn( "ERROR: scm-hook failed with error code " + str(conn.code) + "\n" )