[Yesod] Is there a api which get yesod version? - web-devel - Haskell.org

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[Yesod] Is there a api which get yesod version?

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いとうかつとし

20 Dec 2010 20 Dec '10

12:28 a.m.

hi, i'd like to display like as "powered by Yesod ver 0.6.7" on footer of my application. Is there an api?

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Max Cantor

20 Dec 20 Dec

1:44 a.m.

It wouldn't be pretty, at all, but you might be able to throw something together with the cabal CPP macros that cabal will generate here: dist/build/autogen/cabal_macros.h max On Dec 20, 2010, at 1:28 PM, いとうかつとし wrote:

hi,

i'd like to display like as "powered by Yesod ver 0.6.7" on footer of my application. Is there an api?

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Michael Snoyman

5:37 p.m.

I'm surprised there isn't some kind of cabal CPP macro automatically included which has the version. As far as the original question: I'd be wary of adding a function with the Yesod version number, because I can almost guarantee that I will forget to update the string when I release new versions ;). Michael 2010/12/20 Max Cantor :

It wouldn't be pretty, at all, but you might be able to throw something together with the cabal CPP macros that cabal will generate here: dist/build/autogen/cabal_macros.h

max

On Dec 20, 2010, at 1:28 PM, いとうかつとし wrote:

...
hi,

i'd like to display like as "powered by Yesod ver 0.6.7" on footer of my application. Is there an api?

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

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Neil Mitchell

6:09 p.m.

Hi, Can't you use cabal's version field? Cabal will create Paths_yesod, and include a version number which you can link to. Thanks, Neil 2010/12/20 Michael Snoyman :

I'm surprised there isn't some kind of cabal CPP macro automatically included which has the version.

As far as the original question: I'd be wary of adding a function with the Yesod version number, because I can almost guarantee that I will forget to update the string when I release new versions ;).

Michael

2010/12/20 Max Cantor :

...
It wouldn't be pretty, at all, but you might be able to throw something together with the cabal CPP macros that cabal will generate here: dist/build/autogen/cabal_macros.h

max

On Dec 20, 2010, at 1:28 PM, いとうかつとし wrote:

...
hi,

i'd like to display like as "powered by Yesod ver 0.6.7" on footer of my application. Is there an api?

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

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Michael Snoyman

21 Dec 21 Dec

5:48 a.m.

Do you know of any prior art that does this? Having a package import files generated by cabal seems like it could cause problems. Michael 2010/12/21 Neil Mitchell :

Hi,

Can't you use cabal's version field? Cabal will create Paths_yesod, and include a version number which you can link to.

Thanks, Neil

2010/12/20 Michael Snoyman :

...
I'm surprised there isn't some kind of cabal CPP macro automatically included which has the version.

As far as the original question: I'd be wary of adding a function with the Yesod version number, because I can almost guarantee that I will forget to update the string when I release new versions ;).

Michael

2010/12/20 Max Cantor :

...
It wouldn't be pretty, at all, but you might be able to throw something together with the cabal CPP macros that cabal will generate here: dist/build/autogen/cabal_macros.h

max

On Dec 20, 2010, at 1:28 PM, いとうかつとし wrote:

...
hi,

i'd like to display like as "powered by Yesod ver 0.6.7" on footer of my application. Is there an api?

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

_______________________________________________ web-devel mailing list web-devel@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

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Felipe Almeida Lessa

6:58 a.m.

2010/12/21 Michael Snoyman :

Do you know of any prior art that does this? Having a package import files generated by cabal seems like it could cause problems.

Although Cabal's documentation only mentions 'getDataFileName' [1], the API states that the Paths module should "enable [the packages] to find their version number" [2]. So that's the intended use, even if not very well documented. Just remember to put the Paths in 'other-modules' [1]. [1] http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/authors.ht... [2] http://www.haskell.org/cabal/release/cabal-latest/doc/API/Cabal/Distribution... Cheers! =) -- Felipe.

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Felipe Almeida Lessa
Max Cantor
Michael Snoyman
Neil Mitchell
いとうかつとし