Update script now works when checking out a tag
Update script now works when checking out a tag

[#130536105]

Signed-off-by: Urvashi Reddy <3d94a25c24eb5a1c566963b366976de393e5819d@pivotal.io>

cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release