From 03b7156e84abe736c9c5c93ed5743998ef2c81ab Mon Sep 17 00:00:00 2001
From: Michael Marineau <michael.marineau@coreos.com>
Date: Fri, 20 Jun 2014 17:28:45 -0700
Subject: [PATCH] update_metadata: continue if there are no updates to commit.

---
 update_metadata | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/update_metadata b/update_metadata
index f17dd9c42d..22add59158 100755
--- a/update_metadata
+++ b/update_metadata
@@ -29,6 +29,12 @@ update_overlay() {
 
     pushd "${repo_path}" >/dev/null
     git add -A metadata/md5-cache
+
+    if git diff --quiet --cached; then
+        info "Nothing to update in ${repo_name}"
+        return 0
+    fi
+
     if [[ ${FLAGS_commit} -eq ${FLAGS_TRUE} ]]; then
         git commit -m "chore(metadata): Regenerate cache" metadata/md5-cache
     else