Bug 559453 - [Releng] Use reproducible version qualifier

Change-Id: I4f7866af3464332199d4d5b01146c1fc832702a8
Signed-off-by: Mickael Istria <mistria@redhat.com>
diff --git a/pom.xml b/pom.xml
index c603724..1cf3197 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,6 +32,9 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
+    <!-- Current target version of m2e, used to deduce some URL at verify and publish.
+    This should usually be sync'd with the main feature version -->
+    <m2e.version>1.15.0</m2e.version>
     <m2e-maven-runtime.version>1.15.0-SNAPSHOT</m2e-maven-runtime.version>
 
     <tycho-version>1.6.0</tycho-version>
@@ -246,6 +249,7 @@
             	<generate>true</generate>
             </sourceReferences>
             <jgit.ignore>pom.xml</jgit.ignore>
+            <timestampProvider>jgit</timestampProvider>
           </configuration>
           <dependencies>
             <dependency>
@@ -253,6 +257,11 @@
               <artifactId>tycho-sourceref-jgit</artifactId>
               <version>${tycho-extras-version}</version>
             </dependency>
+            <dependency>
+              <groupId>org.eclipse.tycho.extras</groupId>
+              <artifactId>tycho-buildtimestamp-jgit</artifactId>
+              <version>${tycho-extras-version}</version>
+            </dependency>
           </dependencies>
         </plugin>
         <plugin>
@@ -271,6 +280,12 @@
           <groupId>org.eclipse.tycho</groupId>
           <artifactId>tycho-p2-plugin</artifactId>
           <version>${tycho-version}</version>
+          <configuration>
+	        <baselineRepositories>
+	          <repository><url>https://download.eclipse.org/technology/m2e/releases/</url></repository>
+	          <repository><url>http://download.eclipse.org/technology/m2e/snapshots/${m2e.version}/latest/</url></repository>
+	        </baselineRepositories>
+           </configuration>
         </plugin>
         <plugin>
           <groupId>org.eclipse.tycho</groupId>