Persist lein pids as hidden project files

[shaunlebron]

This will allow us to shutdown the processes when restarting Cuttle if it crashes or a user exits.

on load:

• check if each project has a .cuttle-lein-pid
• kill the process
• remove pid file

[oakmac]

This is an excellent idea and should simplify the shutdown code.

On Thursday, January 29, 2015, Shaun LeBron notifications@github.com
wrote:

This will allow us to shutdown the processes when restarting Cuttle if it
crashes or a user exits.

on load:

• check if each project has a .cuttle-lein-pid
• kill the process
• remove pid file

—
Reply to this email directly or view it on GitHub
#83.

[oakmac]

On second thought - it would be a really bad idea to persist pids after the application crashes. You run the risk of cancelling the pid of some other process when restarting Cuttle. But in general I like this idea while the application is running to simplify the shutdown code.

[shaunlebron]

We can inspect pids to be sure they are running lein with-profile +cuttle. And also it will keep us from have multiple Cuttle instances from trying to build the same project, though that's only really possible when running a release version alongside a dev version.