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34 lines
1.1 KiB
Nix
34 lines
1.1 KiB
Nix
lib: prev:
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let
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# Removing recurseForDerivation prevents derivations of aliased attribute
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# set to appear while listing all the packages available.
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removeRecurseForDerivations =
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alias:
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if alias.recurseForDerivations or false then
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lib.removeAttrs alias [ "recurseForDerivations" ]
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else
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alias;
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# Disabling distribution prevents top-level aliases for non-recursed package
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# sets from building on Hydra.
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removeDistribute = alias: if lib.isDerivation alias then lib.dontDistribute alias else alias;
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# Make sure that we are not shadowing something from
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# writers.
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checkInPkgs =
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n: alias: if builtins.hasAttr n prev then throw "Alias ${n} is still in writers" else alias;
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mapAliases =
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aliases:
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lib.mapAttrs (
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n: alias: removeDistribute (removeRecurseForDerivations (checkInPkgs n alias))
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) aliases;
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in
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mapAliases {
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# Cleanup before 22.05, Added 2021-12-11
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writePython2 = "Python 2 is EOL and the use of writers.writePython2 is deprecated.";
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writePython2Bin = "Python 2 is EOL and the use of writers.writePython2Bin is deprecated.";
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}
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