Propogate back the status and report build exception

2 files changed, 32 insertions, 4 deletions

diff --git a/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/MirrorTask.java b/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/MirrorTask.java
index fd0477579..06699c1a5 100644
--- a/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/MirrorTask.java
+++ b/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/MirrorTask.java
@@ -28,13 +28,14 @@ public class MirrorTask extends AbstractRepositoryTask {
 			application.initializeRepos(null);
 			List ius = prepareIUs();
 			if (ius == null || ius.size() == 0)
-				throw new BuildException("Need to specify one or more IUs.");
+				throw new BuildException("Need to specify one or more IUs to mirror.");
 			application.setSourceIUs(ius);
 			IStatus result = application.run(null);
-			if (result.matches(IStatus.ERROR))
-				throw new ProvisionException(result);
+			if (result.matches(IStatus.ERROR)) {
+				throw new BuildException(TaskHelper.statusToString(result, null).toString());
+			}
 		} catch (ProvisionException e) {
-			throw new BuildException("Error occurred while transforming repository.", e);
+			throw new BuildException(e);
 		}
 	}
 
diff --git a/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/TaskHelper.java b/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/TaskHelper.java
new file mode 100644
index 000000000..7ef184e7c
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.repository.tools/src_ant/org/eclipse/equinox/p2/internal/repository/tools/tasks/TaskHelper.java
@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (c) 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.p2.internal.repository.tools.tasks;
+
+import org.eclipse.core.runtime.IStatus;
+
+public class TaskHelper {
+	public static StringBuffer statusToString(IStatus status, StringBuffer b) {
+		IStatus[] nestedStatus = status.getChildren();
+		if (b == null)
+			b = new StringBuffer();
+		b.append(status.getMessage());
+		for (int i = 0; i < nestedStatus.length; i++) {
+			b.append('\n');
+			b.append(statusToString(nestedStatus[i], b));
+		}
+		return b;
+	}
+}