53 lines
1.5 KiB
Nix
53 lines
1.5 KiB
Nix
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# This file provides all the buildable and cacheable packages and
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# package outputs in your package set. These are what gets built by CI,
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# so if you correctly mark packages as
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#
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# - broken (using `meta.broken`),
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# - unfree (using `meta.license.free`), and
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# - locally built (using `preferLocalBuild`)
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#
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# then your CI will be able to build and cache only those packages for
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# which this is possible.
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{pkgs ? import <nixpkgs> {}}:
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with builtins; let
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isReserved = n: n == "lib" || n == "overlays" || n == "modules";
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isDerivation = p: isAttrs p && p ? type && p.type == "derivation";
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isBuildable = p: !(p.meta.broken or false) && p.meta.license.free or true;
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isCacheable = p: !(p.preferLocalBuild or false);
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shouldRecurseForDerivations = p: isAttrs p && p.recurseForDerivations or false;
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nameValuePair = n: v: {
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name = n;
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value = v;
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};
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concatMap = builtins.concatMap or (f: xs: concatLists (map f xs));
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flattenPkgs = s: let
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f = p:
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if shouldRecurseForDerivations p
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then flattenPkgs p
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else if isDerivation p
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then [p]
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else [];
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in
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concatMap f (attrValues s);
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outputsOf = p: map (o: p.${o}) p.outputs;
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nurAttrs = import ./default.nix {inherit pkgs;};
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nurPkgs =
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flattenPkgs
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(listToAttrs
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(map (n: nameValuePair n nurAttrs.${n})
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(filter (n: !isReserved n)
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(attrNames nurAttrs))));
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in rec {
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buildPkgs = filter isBuildable nurPkgs;
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cachePkgs = filter isCacheable buildPkgs;
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buildOutputs = concatMap outputsOf buildPkgs;
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cacheOutputs = concatMap outputsOf cachePkgs;
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}
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