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27 lines
860 B
Nix
27 lines
860 B
Nix
lib: let
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inherit (builtins) splitVersion head fromJSON readFile mapAttrs map listToAttrs foldl' attrNames;
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inherit (lib) unique;
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ncVersions = ["29" "30" "31"];
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getMajorVersion = version: head (splitVersion version);
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readJSON = path: fromJSON (readFile path);
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getVersionData = data: {
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inherit (data) url version;
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sha256 = data.hash;
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};
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getByNcVersion = ncVersion: mapAttrs (app: data: {"${getMajorVersion data.version}" = getVersionData data;}) (readJSON ./${ncVersion}.json);
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byNcVersion = map getByNcVersion ncVersions;
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mergeVersions = a: b: let
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allApps = unique (attrNames a ++ attrNames b);
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mergeApp = app: (a.${app} or {}) // (b.${app} or {});
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in
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listToAttrs (map (app: {
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name = app;
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value = mergeApp app;
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})
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allApps);
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in
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foldl' (acc: apps: mergeVersions acc apps) {} byNcVersion
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