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haskellPackages.logging-effect: fix dependency resolution #98205



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@zimbatm zimbatm commented Sep 18, 2020

Motivation for this change

This probably fixes another 10 packages that depend on this library.

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
logging-effect = markUnbroken (super.logging-effect.override {
unliftio-core = super.unliftio-core_0_2_0_1;
Comment on lines +1363 to +1365

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cdepillabout Sep 18, 2020

Is this for ZHF? If so, then it is basically fine as it is (assuming you will just commit straight to the release-20.09 branch).

If this isn't for ZHF, and you just want this fixed in master, can you do the following?

  1. Change the base branch on github to haskell-updates (and probably rebase on haskell-updates as well).

  2. Instead of using markUnbroken in this file, remove logging-effect from the broken-packages list in configuration-hackage2nix.nix.

    The hackage-packages.nix file gets regenerated daily on the haskell-updates branch. Since you've removed logging-effect from the list of broken packages, next time hackage-packages.nix is regenerated, it will be regenerated without the logging-effect package having broken = true;.

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zimbatm Sep 18, 2020
Author Member

Not directly but it will help with ZHF and can be backported to 20.09.

Now that I have played with the patch more, I think a better solution is to pin the version to logging-effect ==1.3.10 because otherwise, it will not work with those other libraries.

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peti Nov 13, 2020

Will there be more updates to this pull request?

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@zimbatm zimbatm commented Oct 30, 2020

The solution is actually to downgrade logging-effect to v1.3.10. Overriding unliftio-core is problematic because other packages might be using the newer version. But I don't know enough of the haskell ecosystem to fix that.

@zimbatm zimbatm closed this Nov 16, 2020
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