Updating running apps

[Marty Knapp]

Trevor's GLX Frameworks does this, though I couldn't tell you how!

Marty Knapp
> I have some apps that when checking for updates, then offer a "Install
> & Relaunch" option.
> This seems really cool to me, but I haven't worked out how to do it in
> my Rev apps.
> If I am only updating separate sub-stacks, then I can work it out, but
> if I want to update the actual application file what can I do?
>
> I can get the existing app to download the new version, but then what?
> Can a running app replace itself on disk?
> Then how to tell it to quit & re-launch?
>
> On a Mac, I guess I could spit out an AppleScript to quit the app,
> re-locate the downloaded app, then restart it but the apps I have
> don't seem to start an AppleScript when doing this.
>
> Any suggestions?
>
> Cheers,
> Sarah
>
> P.S. When I say Andre announce revSparkle I got all excited as I
> thought he was offering hooks into the Sparkle updater framework
> <http://sparkle.andymatuschak.org/>, but it was a different Sparkle
> :-(
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