could it be..
diff --git a/Jenkinsfile b/Jenkinsfile
index 65ecc46..1852d92 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -108,7 +108,7 @@
git add ./zipkin-api/*.yaml
git commit -m "force adds zipkin-api" || true
- rsync -avrh --delete --exclude=".git" --exclude=".gitmodules" --exclude="./zipkin-api-source" --exclude="./zipkin-api/*.yaml" "${builddir}/_site/" ./
+ rsync -avrh --delete --exclude=".git" --exclude=".gitmodules" --exclude="zipkin-api-source" --exclude='zipkin-api/*.yaml' "${builddir}/_site/" ./
git status
git diff