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2021-05-14 13:23:11 × gemmaro quits (~Thunderbi@240f:74:d1f0:1:1bf:3730:3a54:b192) (Ping timeout: 250 seconds)
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2021-05-14 13:39:22 <maerwald> wat
2021-05-14 13:40:26 bone-baboon joins (bone-baboo@gateway/vpn/privateinternetaccess/bone-baboon)
2021-05-14 13:40:28 <maerwald> Guest_27: ghcup is non-interactive. There's a shell script bootstrapping it, which is interactive though unless you set BOOTSTRAP_HASKELL_NONINTERACTIVE
2021-05-14 13:41:33 <maerwald> note that when you set that variable, no attempt is made to adjust the PATH
2021-05-14 13:41:48 <maerwald> so in your ansible script you will have to add ~/.ghcup/bin to PATH
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2021-05-14 13:44:11 × frozenErebus quits (~frozenEre@37.231.244.249) (Ping timeout: 240 seconds)
2021-05-14 13:46:14 <Guest_27> awesome! thanks
2021-05-14 13:46:29 <Guest_27> And it should work on ubuntu 20.04 right?
2021-05-14 13:46:41 × ddellac__ quits (ddellacost@gateway/vpn/mullvad/ddellacosta) (Ping timeout: 240 seconds)
2021-05-14 13:47:00 <maerwald[m]> If it doesn't then it's a bug
2021-05-14 13:47:10 <Guest_27> thanks guys
2021-05-14 13:47:42 <geekosaur> ghcup is working for me on 20.04
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2021-05-14 13:48:15 <maerwald[m]> There is one report of it not working, but i haven't been able to reproduce
2021-05-14 13:48:16 × Gurkenglas quits (~Gurkengla@unaffiliated/gurkenglas) (Ping timeout: 260 seconds)
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2021-05-14 13:48:47 <maerwald[m]> In docker it's working
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2021-05-14 13:54:02 <bone-baboon> I am using Haskell with Cabal's new commands (ex. new-build) to build Haskell programs. In project <project-name>.cabal files I am using ghc-options: -Weverything -Werror. Is there a way to have Cabal execute GHC's type checking as well as the -Weverything -Werror but not compile the program? I am looking for a flag like `--no-compile`.
2021-05-14 13:54:15 <bone-baboon> I think this would be useful with a code watching setup that runs the checks and provides and notification about the success of the checks. Having a flag like `--no-compile` would provide faster feedback as it would not need to compile the program.
2021-05-14 13:55:07 <Uniaika> bone-baboon: ghcid
2021-05-14 13:55:21 <Uniaika> use this
2021-05-14 13:55:57 <geekosaur> -fno-code, but what you asked for is what ghcid already does
2021-05-14 13:57:04 × star_cloud quits (~star_clou@ec2-34-220-44-120.us-west-2.compute.amazonaws.com) (Ping timeout: 245 seconds)
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2021-05-14 13:58:21 × stree quits (~stree@68.36.8.116) (Ping timeout: 260 seconds)
2021-05-14 13:58:59 <xenon-> hi. how do I detect windows os using #ifdef? I found this on stackage, but it is several years old thread. #ifdef mingw32_HOST_OS
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2021-05-14 14:04:58 <bone-baboon> Uniaika: Thanks
2021-05-14 14:05:09 <bone-baboon> geekosaur: Thanks
2021-05-14 14:05:34 <Uniaika> xenon-: yeah I think it's the same
2021-05-14 14:05:55 <xenon-> is there nothing more generic than that? if, say, in the future, ghc switches from mingw to something else
2021-05-14 14:06:28 <boxscape> it looks like the hostname package uses `#ifdef WINDOWS` https://hackage.haskell.org/package/hostname-1.0/docs/src/Network-HostName.html , but I can't comment on whether or not that works
2021-05-14 14:07:03 <boxscape> ...that's also actually pretty old now that I look at it
2021-05-14 14:07:49 × star_cloud quits (~star_clou@ec2-34-220-44-120.us-west-2.compute.amazonaws.com) (Excess Flood)
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2021-05-14 14:10:36 <xenon-> same definition is used in base, so I'll go with that.
2021-05-14 14:10:43 <xenon-> https://hackage.haskell.org/package/base-4.15.0.0/docs/src/System-IO.html
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2021-05-14 14:11:48 <boxscape> huh using #if defined() rather than #ifdef
2021-05-14 14:12:17 <xenon-> yeah I noticed that too
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2021-05-14 14:28:59 <xenon-> (#ifdef WINDOWS does not work BTW, so that's probably something hostname package defined on its own)
2021-05-14 14:29:24 <boxscape> ah, interesting
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