Merge branch 'stable-5.9'

* stable-5.9:
  Fix stamping to produce stable file timestamps

Change-Id: Icd092cd9b883556fcbd115c17346a9d88dc172ce
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
diff --git a/org.eclipse.jgit/BUILD b/org.eclipse.jgit/BUILD
index 2083372..04873b0 100644
--- a/org.eclipse.jgit/BUILD
+++ b/org.eclipse.jgit/BUILD
@@ -38,7 +38,7 @@
         "cd $$TMP",
         "unzip -q $$ROOT/$<",
         "echo \"Implementation-Version: $$GEN_VERSION\n$$(cat META-INF/MANIFEST.MF)\" > META-INF/MANIFEST.MF",
-        "find . -exec touch '{}' ';'",
+        "find . -exec touch -t 198001010000 '{}' ';'",
         "zip -Xqr $$ROOT/$@ .",
         "rm -rf $$TMP",
     ]),