upgrade to newest version of app builder

scripts/formula-deploy.sh

@@ -3,6 +3,7 @@
 # Deploys a new homebrew formula file to golift/homebrew-tap.
 # Requires SSH credentials in ssh-agent to work.
 # Run by Travis-CI when a new release is created on GitHub.
+# Do not edit this file.
 
 source .metadata.sh
 
@@ -16,6 +17,7 @@ git clone git@github.com:${HBREPO}.git homebrew_release_repo
 
 cp ${BINARY}.rb homebrew_release_repo/Formula
 pushd homebrew_release_repo
-git commit -m "Update ${BINARY} on Release: v${VERSION}-${ITERATION}" Formula/${BINARY}.rb
+git add Formula/${BINARY}.rb
+git commit -m "Update ${BINARY} on Release: v${VERSION}-${ITERATION}"
 git push
 popd