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haskellPackages.monoid-extras: pin to < 0.6 #122564

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merged 2 commits into from May 11, 2021

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sternenseemann
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Motivation for this change

Fix diagrams-* libraries.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

The diagrams libraries universe still uses monoid-extras 0.5.1 and build
failures start cropping up when upgrading it. Since no other packages I
am aware of use this, we can pin it to 0.5.1 which still uses Option
instead of Maybe (the former of which is deprecated).

Patching this seems like a lot of work that'd break other stuff because
Option is seemingly part of the public API. Let's hope they sort all of
that out themselves before base 4.15 comes around in our main package
set.
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@cdepillabout cdepillabout left a comment

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This seems reasonable since monoid-extras isn't in Stackage.

@sternenseemann sternenseemann merged commit 3699b5b into NixOS:haskell-updates May 11, 2021
@sternenseemann sternenseemann deleted the diagrams-fixes branch May 11, 2021 12:51
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2 participants