diff --git a/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitMergeDryRunCommand.java b/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitMergeDryRunCommand.java
new file mode 100644
index 0000000000..e49c520457
--- /dev/null
+++ b/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitMergeDryRunCommand.java
@@ -0,0 +1,25 @@
+package sonia.scm.repository.spi;
+
+import org.eclipse.jgit.merge.MergeStrategy;
+import org.eclipse.jgit.merge.ResolveMerger;
+import sonia.scm.repository.InternalRepositoryException;
+import sonia.scm.repository.Repository;
+
+import java.io.IOException;
+
+public class GitMergeDryRunCommand extends AbstractGitCommand implements MergeDryRunCommand {
+  GitMergeDryRunCommand(GitContext context, Repository repository) {
+    super(context, repository);
+  }
+
+  @Override
+  public boolean isMergeable(MergeDryRunCommandRequest request) {
+    try {
+      org.eclipse.jgit.lib.Repository repository = context.open();
+      ResolveMerger merger = (ResolveMerger) MergeStrategy.RECURSIVE.newMerger(repository, true);
+      return merger.merge(repository.resolve(request.getBranchToMerge()), repository.resolve(request.getTargetBranch()));
+    } catch (IOException e) {
+      throw new InternalRepositoryException(e);
+    }
+  }
+}
diff --git a/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitRepositoryServiceProvider.java b/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitRepositoryServiceProvider.java
index d60abd424d..dd6c1b5492 100644
--- a/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitRepositoryServiceProvider.java
+++ b/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitRepositoryServiceProvider.java
@@ -63,7 +63,8 @@ public class GitRepositoryServiceProvider extends RepositoryServiceProvider
     Command.INCOMING,
     Command.OUTGOING,
     Command.PUSH,
-    Command.PULL
+    Command.PULL,
+    Command.MERGE_DRY_RUN
   );
   //J+
 
@@ -240,7 +241,11 @@ public class GitRepositoryServiceProvider extends RepositoryServiceProvider
     return new GitTagsCommand(context, repository);
   }
 
-  //~--- fields ---------------------------------------------------------------
+  @Override
+  public MergeDryRunCommand getMergeDryRunCommand() {
+    return new GitMergeDryRunCommand(context, repository);
+  }
+//~--- fields ---------------------------------------------------------------
 
   /** Field description */
   private GitContext context;
diff --git a/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/spi/GitMergeDryRunCommandTest.java b/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/spi/GitMergeDryRunCommandTest.java
new file mode 100644
index 0000000000..891b8537dd
--- /dev/null
+++ b/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/spi/GitMergeDryRunCommandTest.java
@@ -0,0 +1,23 @@
+package sonia.scm.repository.spi;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class GitMergeDryRunCommandTest extends AbstractGitCommandTestBase {
+  @Test
+  public void shouldDetectNotMergeableBranches() {
+    GitMergeDryRunCommand command = createCommand();
+    MergeDryRunCommandRequest request = new MergeDryRunCommandRequest();
+    request.setBranchToMerge("test-branch");
+    request.setTargetBranch("master");
+
+    boolean mergeable = command.isMergeable(request);
+
+    Assert.assertFalse(mergeable);
+  }
+
+  private GitMergeDryRunCommand createCommand()
+  {
+    return new GitMergeDryRunCommand(createContext(), repository);
+  }
+}