From bf6ee33244e6058742365656a32dca364cf8e70d Mon Sep 17 00:00:00 2001
From: Michael Marineau <michael.marineau@coreos.com>
Date: Thu, 30 Jan 2014 13:29:58 -0800
Subject: [PATCH] fix(vm_image_util): If DIGESTS wasn't generated don't copy
 it.

Failed to test my last change with uploads disabled :(

Also, it needs to be return 0, not return.
---
 build_library/vm_image_util.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build_library/vm_image_util.sh b/build_library/vm_image_util.sh
index f6b1da68d0..883dec1a79 100644
--- a/build_library/vm_image_util.sh
+++ b/build_library/vm_image_util.sh
@@ -635,6 +635,8 @@ vm_upload() {
     local digests="$(_dst_dir)/$(_dst_name .DIGESTS)"
     upload_image -d "${digests}" "${VM_GENERATED_FILES[@]}"
 
+    [[ -e "${digests}" ]] || return 0
+
     # FIXME(marineam): Temporary alternate name for .DIGESTS
     # This used to be derived from the first file listed in
     # ${VM_GENERATED_FILES[@]}", usually $VM_DST_IMG or similar.
@@ -656,7 +658,7 @@ vm_upload() {
         legacy_digests="${VM_GENERATED_FILES[0]}.DIGESTS"
     fi
 
-    [[ "${legacy_digests}" != "${digests}" ]] || return
+    [[ "${legacy_digests}" != "${digests}" ]] || return 0
 
     local legacy_uploads=( "${legacy_digests}" )
     cp "${digests}" "${legacy_digests}"