Add support for ghc-8.10.6

[jneira]

• The action reports for it:

Installing ghc version 8.10.6
  Attempting to install ghc 8.10.6 using apt-get
  /usr/bin/sudo -- sh -c add-apt-repository -y ppa:hvr/ghc && apt-get update && apt-get -y install ghc-8.10.6
  Get:1 https://packages.microsoft.com/ubuntu/20.04/prod focal InRelease [10.5 kB]
  Hit:2 http://azure.archive.ubuntu.com/ubuntu focal InRelease
  Get:3 http://azure.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
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  Get:5 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
  Get:6 https://packages.microsoft.com/ubuntu/20.04/prod focal/main amd64 Packages [91.7 kB]
  Get:7 http://ppa.launchpad.net/hvr/ghc/ubuntu focal InRelease [17.5 kB]
  Get:8 http://azure.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages [1163 kB]
  Get:9 http://azure.archive.ubuntu.com/ubuntu focal-updates/main Translation-en [251 kB]
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  Hit:20 http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu focal InRelease
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  Get:30 http://ppa.launchpad.net/hvr/ghc/ubuntu focal/main amd64 Packages [7352 B]
  Get:31 http://ppa.launchpad.net/hvr/ghc/ubuntu focal/main Translation-en [708 B]
  Fetched 5566 kB in 1s (3886 kB/s)
  Reading package lists...
  Hit:1 http://azure.archive.ubuntu.com/ubuntu focal InRelease
  Hit:2 http://azure.archive.ubuntu.com/ubuntu focal-updates InRelease
  Hit:3 http://azure.archive.ubuntu.com/ubuntu focal-backports InRelease
  Hit:4 https://packages.microsoft.com/ubuntu/20.04/prod focal InRelease
  Hit:5 http://security.ubuntu.com/ubuntu focal-security InRelease
  Hit:6 http://ppa.launchpad.net/hvr/ghc/ubuntu focal InRelease
  Hit:7 http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu focal InRelease
  Reading package lists...
  Reading package lists...
  Building dependency tree...
  Reading state information...
  E: Unable to locate package ghc-8.10.6
  E: Couldn't find any package by glob 'ghc-8.10.6'
  E: Couldn't find any package by regex 'ghc-8.10.6'
  Attempting to install ghc 8.10.6 using ghcup
  /opt/hostedtoolcache/ghcup/0.1.14/x64/ghcup install ghc 8.10.6
  [ Warn  ] New GHCup version available: 0.1.16.2. To upgrade, run 'ghcup upgrade'
  [ Error ] Unable to find a download for the requested version/distro.
  [ Error ] Also check the logs in "/home/runner/.ghcup/logs"
Error: All install methods for ghc 8.10.6 failed

[jneira]

why ghcup does not download the last yaml config including it?
locally it does:

[ Info  ] downloading: https://www.haskell.org/ghcup/data/ghcup-0.0.6.yaml as file D:\ghcup\cache\ghcup-0.0.6.yaml

//cc @hasufell

[hasufell]

[ Warn ] New GHCup version available: 0.1.16.2. To upgrade, run 'ghcup upgrade'

You're not running ghcup 0.1.16.2.

[jneira]

Oh i thought the ghcup version and the available executable versions were independent (well they are for some cases i suppose)
So we need a release with #65 included
//cc @jared-w

[hasufell]

Oh i thought the ghcup version and the available executable versions were independent

Nope. GHC upstream for example changed the layout of the bin/ directory. Only ghcup-0.1.16 and later are equipped to deal with that, so newer GHC versions aren't added to older files. But generally, we add GHC versions to older ghcups as well.

[hasufell]

Is this done?

Also, we need to create a new tag, no?

[jneira]

it needs the tag to be done, yeah

[hazelweakly]

Was going to do that yesterday but my laptop died and my charger cable broke (or the laptop finally is kicking the bucket... Either way) 😅

I should have tags up within the hour

[jneira]

Jobs are building on ghc-8.10.6 as a charm, thanks @jared-w!