[Haskell-cafe] Self updating binary

[Michael Snoyman]

We implemented that trick for Windows in Stack, which you can see at:

https://github.com/commercialhaskell/stack/blob/c3e05b3b4c3649aa6c182eaf661102e170d459a9/src/Stack/Setup.hs#L1749

On Thu, Feb 16, 2017 at 3:31 PM, Ivan Perez <ivanperezdominguez at gmail.com>
wrote:

> Hi Pieter
>
> Not recently, but back when I tried this for keera-posture, I had
> difficulties with one binary substituting itself *on windows*. If the file
> was being executed, I could not erase it.
>
> (keera-posture did check a URL for new versions.)
>
> You can download a setup program that you can run without user
> intervention, closing your main program while it updates. Some installation
> building systems support unattended updates/installations.
>
> Otherwise, what you can do is to *rename* the current executable, store
> the new one in place of the old one, and erase old executables every time
> you start the app. Yes, it's a hack.
>
> It would be great if we could have automatic updates of programs from
> remote archives using the package manager like on linux :(
>
> Ivan
>
> On 15 February 2017 at 14:36, Pieter Laeremans <pieter at laeremans.org>
> wrote:
>
>> Hi there,
>>
>> Has anyone experience suggestions with writing self updating binaries
>> for windows ?
>> I have a small utility that I have to install on two "unmanaged" pc's,
>> I would like to let the program check an url, for new versions, download
>> a new versions,
>> some how check that the program is valid (with a build in key, or
>> certificate) and replace itself when necessary.
>>
>> Has anyone already done this in Haskell? Any suggestions, links ?
>>
>> Thanks,
>>
>> Pieter
>> --
>>   Pieter Laeremans
>>   pieter at laeremans.org
>> _______________________________________________
>> Haskell-Cafe mailing list
>> To (un)subscribe, modify options or view archives go to:
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
>> Only members subscribed via the mailman list are allowed to post.
>
>
>
> _______________________________________________
> Haskell-Cafe mailing list
> To (un)subscribe, modify options or view archives go to:
> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
> Only members subscribed via the mailman list are allowed to post.
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/haskell-cafe/attachments/20170216/c691a530/attachment.html>