no git depth limit

.travis.yml

@@ -1,4 +1,6 @@
 language: go
+git:
+  depth: false
 addons:
   apt:
     packages:

scripts/formula-deploy.sh

@@ -24,6 +24,6 @@ git clone git@github.com:golift/homebrew-mugs.git
 
 cp ${BINARY}.rb homebrew-mugs/Formula
 pushd homebrew-mugs
-git commit -m "Update ${BINARY} on Release: ${VERSION}" Formula/${BINARY}.rb
+git commit -m "Update ${BINARY} on Release: ${VERSION}-${ITERATION}" Formula/${BINARY}.rb
 git push
 popd