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35 lines
1.2 KiB
Nix
35 lines
1.2 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 = alias:
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if alias.recurseForDerivations or false then
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lib.removeAttrs alias ["recurseForDerivations"]
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else 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:
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if lib.isDerivation alias then
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lib.dontDistribute alias
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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 = n: alias: if builtins.hasAttr n prev
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then throw "Alias ${n} is still in writers"
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else alias;
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mapAliases = aliases:
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lib.mapAttrs (n: alias: removeDistribute
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(removeRecurseForDerivations
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(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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