When you're building an API, it's really helpful to be able to force your
clients to upgrade to the latest version. This is Rack middleware that simply
adds a Client-Version header to every response with the value of the
CLIENT_VERSION environment variable. Your clients can use it to determine
whether they should force the user to upgrade to the latest version.
You know the drill:
# Gemfile
gem 'client_version'$ bundle installSet the CLIENT_VERSION environment variable to whatever the latest version of
your client is.
If you're using Rails, you're all set; we've hooked into your middleware stack
for you. Otherwise just add ClientVersion to your middleware stack.
Hyper made this. We're a bunch of folks who love building things. You should tweet us if you can't get it to work. In fact, you should tweet us anyway. If you're using Client Version, we probably want to hire you.