25 lines
1.4 KiB
Nix
25 lines
1.4 KiB
Nix
{ runCommand, haskellPackages, lib, all-cabal-hashes, writeShellScript }:
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let
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# Checks if the version looks like a Haskell PVP version which is the format
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# Hackage enforces. This will return false if the version strings is empty or
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# we've overridden the package to ship an unstable version of the package
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# (sadly there's no good way to show something useful on hackage in this case).
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isPvpVersion = v: builtins.match "([0-9]+)(\\.[0-9]+)*" v != null;
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pkgLine = name: pkg:
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let
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version = pkg.version or "";
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in
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lib.optionalString (isPvpVersion version && (pkg.meta.hydraPlatforms or null) != lib.platforms.none)
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''"${name}","${version}","http://hydra.nixos.org/job/nixpkgs/trunk/haskellPackages.${name}.x86_64-linux"'';
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all-haskellPackages = builtins.toFile "all-haskellPackages" (lib.concatStringsSep "\n" (lib.filter (x: x != "") (lib.mapAttrsToList pkgLine haskellPackages)));
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in
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runCommand "hackage-package-list" { }
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# This command will make a join between all packages on hackage and haskellPackages.*.
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# It ignores packages marked as broken (according to hydraPlatforms)
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# It creates a valid csv file which can be uploaded to hackage.haskell.org.
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# The call is wrapped in echo $(...) to trim trailing newline, which hackage requires.
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''
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mkdir -p $out/bin
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echo -n "$(tar -t -f ${all-cabal-hashes} | sed 's![^/]*/\([^/]*\)/.*!"\1"!' | sort -u | join -t , - ${all-haskellPackages})" > $out/nixos-hackage-packages.csv
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''
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