Refine addblob.sh to upload blobs to s3 (fixup)

Call bosh upload-blobs after all blobs were added

addblob.sh

@@ -2,6 +2,11 @@
 set -x
 set -e # exit on non-zero status
 
+echo "Current blobs"
+bosh blobs
+
+NEW_BLOBS_WERE_ADDED="false"
+
 # params
 # $1: src
 # $2: target
@@ -13,11 +18,11 @@ function addBlobOnChecksumChange() {
   src_checksum=$(cat "${src}"  | sha256sum |  cut -d " " -f1)
   if [ "${blob_checksum}" != "sha256:${src_checksum}" ] || [ "$blob_object_id" = "null" ]; then
     bosh add-blob ${src} ${target}
-    # See https://bosh.io/docs/release-blobs/#saving-blobs
-    bosh upload-blobs
+    NEW_BLOBS_WERE_ADDED="true"
   else
     echo "skipping blob creation for ${target} with existing checksum: ${src_checksum}"
   fi
+
 }
 
 addBlobOnChecksumChange src/github.com/k3s-io/k3s/k3s k3s/k3s
@@ -26,3 +31,7 @@ chmod ugo+x src/github.com/kubernetes/kubectl/kubectl
 addBlobOnChecksumChange src/github.com/kubernetes/kubectl/kubectl kubectl/kubectl
 
 
+if [ "${NEW_BLOBS_WERE_ADDED}" == "true" ] ; then
+  # See https://bosh.io/docs/release-blobs/#saving-blobs
+  bosh upload-blobs
+fi