diff --git a/releng/org.eclipse.emf.ecp.releng/scripts/verify-sources-exceptions b/releng/org.eclipse.emf.ecp.releng/scripts/verify-sources-exceptions
new file mode 100644
index 0000000..bbd4b27
--- /dev/null
+++ b/releng/org.eclipse.emf.ecp.releng/scripts/verify-sources-exceptions
@@ -0,0 +1,54 @@
+# Source Exceptions
+
+## Plugins
+org.eclipse.emfforms.coffee.model.viewmodel
+org.eclipse.emfforms.setup.base
+org.eclipse.emf.ecp.common.ui.nl
+org.eclipse.emf.ecp.core.nl
+org.eclipse.emf.ecp.diffmerge.model.edit.nl
+org.eclipse.emf.ecp.diffmerge.swt.nl
+org.eclipse.emf.ecp.edit.nl
+org.eclipse.emf.ecp.edit.swt.nl
+org.eclipse.emf.ecp.emfstore.ui.e4
+org.eclipse.emf.ecp.ide.editor.view.nl
+org.eclipse.emf.ecp.makeithappen.model.edit.nl
+org.eclipse.emf.ecp.makeithappen.wizards.nl
+org.eclipse.emf.ecp.ui.e3.nl
+org.eclipse.emf.ecp.ui.e4
+org.eclipse.emf.ecp.ui.nl
+org.eclipse.emf.ecp.ui.validation.nl
+org.eclipse.emf.ecp.ui.view.editor.controls.nl
+org.eclipse.emf.ecp.validation.nl
+org.eclipse.emf.ecp.view.categorization.model.edit.nl
+org.eclipse.emf.ecp.view.core.swt.nl
+org.eclipse.emf.ecp.view.custom.model.edit.nl
+org.eclipse.emf.ecp.view.custom.model.nl
+org.eclipse.emf.ecp.view.dynamictree.model.edit.nl
+org.eclipse.emf.ecp.view.group.model.edit.nl
+org.eclipse.emf.ecp.view.groupedgrid.model.edit.nl
+org.eclipse.emf.ecp.view.horizontal.model.edit.nl
+org.eclipse.emf.ecp.view.label.model.edit.nl
+org.eclipse.emf.ecp.view.model.edit.nl
+org.eclipse.emf.ecp.view.model.editor.nl
+org.eclipse.emf.ecp.view.model.nl
+org.eclipse.emf.ecp.view.rule.model.edit.nl
+org.eclipse.emf.ecp.view.stack.viewmodel
+org.eclipse.emf.ecp.view.table.model.edit.nl
+org.eclipse.emf.ecp.view.table.model.nl
+org.eclipse.emf.ecp.view.table.ui.nebula.grid.nl
+org.eclipse.emf.ecp.view.table.ui.swt.nl
+org.eclipse.emf.ecp.view.table.validation
+org.eclipse.emf.ecp.view.template.model.edit.nl
+org.eclipse.emf.ecp.view.treemasterdetail.model.edit.nl
+org.eclipse.emf.ecp.view.vertical.model.edit.nl
+
+## Features
+org.eclipse.emf.ecp.demo.e4.feature
+org.eclipse.emf.ecp.e4.feature
+org.eclipse.emf.ecp.emfforms.sdk.feature
+org.eclipse.emf.ecp.i18n.feature
+org.eclipse.emf.ecp.license.feature
+org.eclipse.emf.ecp.rap.sdk.feature
+org.eclipse.emf.ecp.sdk.e4.feature
+org.eclipse.emf.ecp.sdk.feature
+org.eclipse.emfforms.i18n.feature
\ No newline at end of file
diff --git a/releng/org.eclipse.emf.ecp.releng/scripts/verify-sources.py b/releng/org.eclipse.emf.ecp.releng/scripts/verify-sources.py
new file mode 100644
index 0000000..6a37cb6
--- /dev/null
+++ b/releng/org.eclipse.emf.ecp.releng/scripts/verify-sources.py
@@ -0,0 +1,61 @@
+#!python
+import os
+import sys
+
+SOURCE_POSTFIX = '.source'
+
+def get_missing_source_bundles(root_dir = '.', exceptions = []):
+  missing_source = []
+  source_jars = []
+  jars = []
+  for root, dirs, files in os.walk(root_dir):
+    for file in files:
+      # get rid of the version identifier and file extension. only the bundle name is relevant
+      stripped_name = file.split('_')[0]
+      if stripped_name.endswith(SOURCE_POSTFIX):
+        source_jars.append(stripped_name[:len(stripped_name) - len(SOURCE_POSTFIX)])
+      else:
+        jars.append(stripped_name)
+
+  for jar in jars:
+    if (jar not in source_jars) and (jar not in exceptions):
+      missing_source.append(jar)
+
+  return missing_source
+
+# Assumes that the scripts workding dir is the repository bundle's project base dir.
+# arguments
+# argv[0] - path to exceptions
+def main(argv):
+  print("Verify source bundles have been exported...")
+  with open(argv[0], mode="rt") as exceptions_file:
+    exceptions = [ex.strip() for ex in exceptions_file if ex.strip() and not ex.strip().startswith('#')]
+
+  plugins_missing_src = get_missing_source_bundles('./target/repository/plugins', exceptions)
+  features_missing_src = get_missing_source_bundles('./target/repository/features', exceptions)
+
+  if plugins_missing_src:
+    print('----------------------------------')
+    print('Plugins with missing source jars:')
+    print('----------------------------------')
+    plugins_missing_src.sort()
+    for b in plugins_missing_src:
+      print(b)
+    print('----------------------------------')
+
+  if features_missing_src:
+    print('----------------------------------')
+    print('Features with missing source jars:')
+    print('----------------------------------')
+    features_missing_src.sort()
+    for b in features_missing_src:
+      print(b)
+    print('----------------------------------')
+
+  if plugins_missing_src or features_missing_src:
+    print("There are missing source bundles! See output above.")
+    sys.exit(2)
+  print("...verification successful.")
+
+if __name__ == "__main__":
+  main(sys.argv[1:])
\ No newline at end of file
diff --git a/releng/org.eclipse.emf.ecp.repository.target/pom.xml b/releng/org.eclipse.emf.ecp.repository.target/pom.xml
index 934b853..49058c6 100644
--- a/releng/org.eclipse.emf.ecp.repository.target/pom.xml
+++ b/releng/org.eclipse.emf.ecp.repository.target/pom.xml
@@ -26,6 +26,28 @@
 					<xzCompress>false</xzCompress>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>exec-maven-plugin</artifactId>
+				<version>1.2.1</version>
+				<executions>
+					<execution>
+						<id>verify-source-bundles</id>
+						<phase>verify</phase>
+						<goals>
+							<goal>exec</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<executable>python</executable>
+					<workingDirectory>${project.basedir}</workingDirectory>
+					<arguments>
+						<argument>${project.basedir}/../org.eclipse.emf.ecp.releng/scripts/verify-sources.py</argument>
+						<argument>${project.basedir}/../org.eclipse.emf.ecp.releng/scripts/verify-sources-exceptions</argument>
+					</arguments>
+				</configuration>
+			</plugin>
 		</plugins>
 	</build>
 	
diff --git a/releng/org.eclipse.emf.ecp.repository/pom.xml b/releng/org.eclipse.emf.ecp.repository/pom.xml
index 08d2d44..2c08054 100644
--- a/releng/org.eclipse.emf.ecp.repository/pom.xml
+++ b/releng/org.eclipse.emf.ecp.repository/pom.xml
@@ -26,6 +26,28 @@
 					<xzCompress>false</xzCompress>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>exec-maven-plugin</artifactId>
+				<version>1.2.1</version>
+				<executions>
+					<execution>
+						<id>verify-source-bundles</id>
+						<phase>verify</phase>
+						<goals>
+							<goal>exec</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<executable>python</executable>
+					<workingDirectory>${project.basedir}</workingDirectory>
+					<arguments>
+						<argument>${project.basedir}/../org.eclipse.emf.ecp.releng/scripts/verify-sources.py</argument>
+						<argument>${project.basedir}/../org.eclipse.emf.ecp.releng/scripts/verify-sources-exceptions</argument>
+					</arguments>
+				</configuration>
+			</plugin>
 		</plugins>
 	</build>