[Haskell-cafe] Picking up the CI buildnumber during build

Vanessa McHale vanessa.mchale at iohk.io
Fri May 4 12:51:04 UTC 2018

Hi Magnus,

I would use getEnv
or lookupEnv, along with Template Haskell and the runIO
function. This would allow you to embed environment variables at compile

On 05/04/2018 07:47 AM, Magnus Therning wrote:
> I'm looking for a way to pick up the CI buildnumber from the environment
> (e.g. $TRAVIS_BUILD_NUMBER) and use it as part of of the output of
> `my-tool --version`. I don't really know where to start looking, so I'm
> hoping someone on the list has already done something similar and can
> point me to a working example :)
> /M
> -- 
> Magnus Therning              OpenPGP: 0x927912051716CE39
> email: magnus at therning.org   jabber: magnus at therning.org
> twitter: magthe               http://therning.org/magnus
> I am always doing that which I cannot do, in order that I may learn
> how to do it.
>     — Pablo Picasso
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*Vanessa McHale*
Functional Compiler Engineer | Chicago, IL
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