Hi Daniel, It's the path I've eventually took as well. Many thanks, Sent from my iPad On 16/ago/2013, at 11:13, Daniel Díaz Casanueva wrote:

What I have always done to solve this is to create a custom Setup.hs. Something like:

Setup.hs ------------- import Distribution.Simple

main :: IO () main = doThisBeforeInstall >> defaultMain -------------

Then you specify in your .cabal file that the Build-Type is Custom.

Best regards, Daniel Díaz.

On Fri, Aug 16, 2013 at 11:58 AM, Alfredo Di Napoli wrote: Hello guys,

I'm pretty sure the answer is "no", but I was hoping to get some extra insight / best practices. The problem can be summarised by this SO question (not the OP, but I have the same problem):

http://stackoverflow.com/questions/15731170/cabal-how-to-add-text-file-as-a-...

As someone states, "data-files" in for run-time, whereas I need to tell cabal "please copy these files in place before trying to compile", so at compile-time.

Does something similar exist?

I think the best solution, unless someone prove me wrong, is to create a small startup script which copies the files for me (I *think* yesod is using something similar, namely a script called EmbeddedFiles.hs) and then triggers "cabal install" the usual way. Can you come up with a better way?

Thanks in advance!

Alfredo

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Thanks Dag, I'll give it a spin. Btw, I've successfully solved my problem with the following Setup.hs, I'm posting it here in case someone will find this useful in the future: #!/usr/bin/env runhaskell

import Distribution.Simple import Distribution.PackageDescription import Distribution.Package import Distribution.Simple import Distribution.Simple.LocalBuildInfo import Distribution.Simple.Setup import Distribution.Verbosity import Distribution.Simple.Utils import Paths_myproject main :: IO () main = defaultMainWithHooks myHooks where myHooks = simpleUserHooks { preBuild = copyResources } copyResources :: Args -> BuildFlags -> IO HookedBuildInfo copyResources args flags = do installDir <- getDataDir installDirectoryContents verbose "resources" (installDir ++ "/resources") return emptyHookedBuildInfo

where "myproject" should be the name of your project, as in myproject.cabal. On 16 August 2013 13:11, Dag Odenhall wrote:

You want extra-source-files. They'll be included in the tarball, and cabal always builds from the root of the package, so you can safely use relative paths.

On Fri, Aug 16, 2013 at 11:58 AM, Alfredo Di Napoli < alfredo.dinapoli@gmail.com> wrote:

...

Hello guys,

I'm pretty sure the answer is "no", but I was hoping to get some extra insight / best practices. The problem can be summarised by this SO question (not the OP, but I have the same problem):

http://stackoverflow.com/questions/15731170/cabal-how-to-add-text-file-as-a-...

As someone states, "data-files" in for run-time, whereas I need to tell cabal "please copy these files in place before trying to compile", so at compile-time.

Does something similar exist?

I think the best solution, unless someone prove me wrong, is to create a small startup script which copies the files for me (I *think* yesod is using something similar, namely a script called EmbeddedFiles.hs) and then triggers "cabal install" the usual way. Can you come up with a better way?

Thanks in advance!

Alfredo

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