Consider exposing :watch-fn compiler option?

[Ramblurr]

The cljs build api has a :watch-fn option that can be passed to execute a function after a successful build.

I've used this in the past to run some necessary project-specific side-effects.

Now that I'm trying to switch to lein and lein-cljsbuild, I tried to replicate this using the :notify-command option, but this doesn't work quite the same.

I specified :notify-command to be something like lein run -m clojure.main scripts/after-build.cljs. Then I booted cljs-build's auto and made a change to my file. If the change could be compiled properly, then it worked fine.

But if the change breaks compilation, then it goes into a compile loop attempting to compile over and over. Finally, when the build compiles again, it executes the notify-command once for every build attempt resulting in many invocations of the command.

Is there any chance lein-cljsbuils could add support for the :watch-fn compiler option?

[mneise]

@Ramblurr Would you mind providing a sample repo to reproduce this problem?

Even when the build fails lein-cljsbuild should call the command provided with :notify-command.