59 lines
2.2 KiB
Nix
59 lines
2.2 KiB
Nix
{
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outputs = { self, nixpkgs, ... }: let
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system = "x86_64-linux";
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pkgs = nixpkgs.legacyPackages.${system};
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inherit (builtins) genericClosure hasAttr length map;
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inherit (pkgs) runCommandLocal writeText;
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inherit (pkgs.lib) concatLines concatLists concatMap filter isDerivation isList mapAttrsToList;
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in {
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lib = rec {
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drvOutputs = drv:
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if hasAttr "outputs" drv
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then map (output: drv.${output}) drv.outputs
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else [ drv ];
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drvDeps = attrs:
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mapAttrsToList (k: v:
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if isDerivation v then (drvOutputs v)
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else if isList v then concatMap drvOutputs (filter isDerivation v)
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else []
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) attrs;
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wrap = drv: { key = drv.outPath; inherit drv; };
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buildtimeDerivations = drv0: map (obj: obj.drv) (genericClosure {
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startSet = map wrap (drvOutputs drv0);
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operator = obj: map wrap (concatLists (drvDeps obj.drv.drvAttrs));
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});
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drvMaintainers = drv:
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if ! hasAttr "meta" drv then []
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else if ! hasAttr "maintainers" drv.meta then []
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else drv.meta.maintainers;
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nobodyMaintains = drv:
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hasAttr "meta" drv &&
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hasAttr "maintainers" drv.meta &&
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(length drv.meta.maintainers) == 0;
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maintainerToString = m: "${m.name} (${m.email})";
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drvToString = drv: "${drv.name}";
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};
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bundlers."x86_64-linux" = with self.lib; rec {
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default = adopt;
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maintainers = drv: let
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drvs = buildtimeDerivations drv;
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maintainers = concatMap drvMaintainers drvs;
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maintainerNames = map maintainerToString maintainers;
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maintainerNamesList = writeText "maintainers" (concatLines maintainerNames);
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uniqNames = runCommandLocal "uniq-maintainers.txt" {} ''
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<${maintainerNamesList} sort | uniq -c > $out
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'';
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in uniqNames;
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adopt = drv: let
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drvs = buildtimeDerivations drv;
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drvsNoMain = filter nobodyMaintains drvs;
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drvNames = map drvToString drvsNoMain;
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drvNamesList = writeText "no-maintainers" (concatLines drvNames);
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uniqNames = runCommandLocal "no-maintainers.txt" {} ''
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<${drvNamesList} sort -u > $out
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'';
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in uniqNames;
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};
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};
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}
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