75 lines
2.2 KiB
Nix
75 lines
2.2 KiB
Nix
{ pkgs, nixpkgs ? { }, libsets }:
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let
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revision = pkgs.lib.trivial.revisionWithDefault (nixpkgs.rev or "master");
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libDefPos = prefix: set:
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builtins.concatMap
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(name: [{
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name = builtins.concatStringsSep "." (prefix ++ [name]);
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location = builtins.unsafeGetAttrPos name set;
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}] ++ nixpkgsLib.optionals
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(builtins.length prefix == 0 && builtins.isAttrs set.${name})
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(libDefPos (prefix ++ [name]) set.${name})
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) (builtins.attrNames set);
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libset = toplib:
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builtins.map
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(subsetname: {
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subsetname = subsetname;
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functions = libDefPos [] toplib.${subsetname};
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})
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(builtins.map (x: x.name) libsets);
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nixpkgsLib = pkgs.lib;
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flattenedLibSubset = { subsetname, functions }:
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builtins.map
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(fn: {
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name = "lib.${subsetname}.${fn.name}";
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value = fn.location;
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})
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functions;
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locatedlibsets = libs: builtins.map flattenedLibSubset (libset libs);
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removeFilenamePrefix = prefix: filename:
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let
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prefixLen = (builtins.stringLength prefix) + 1; # +1 to remove the leading /
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filenameLen = builtins.stringLength filename;
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substr = builtins.substring prefixLen filenameLen filename;
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in substr;
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removeNixpkgs = removeFilenamePrefix (builtins.toString pkgs.path);
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liblocations =
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builtins.filter
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(elem: elem.value != null)
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(nixpkgsLib.lists.flatten
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(locatedlibsets nixpkgsLib));
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fnLocationRelative = { name, value }:
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{
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inherit name;
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value = value // { file = removeNixpkgs value.file; };
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};
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relativeLocs = (builtins.map fnLocationRelative liblocations);
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sanitizeId = builtins.replaceStrings
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[ "'" ]
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[ "-prime" ];
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urlPrefix = "https://github.com/NixOS/nixpkgs/blob/${revision}";
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jsonLocs = builtins.listToAttrs
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(builtins.map
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({ name, value }: {
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name = sanitizeId name;
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value =
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let
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text = "${value.file}:${builtins.toString value.line}";
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target = "${urlPrefix}/${value.file}#L${builtins.toString value.line}";
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in
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"[${text}](${target}) in `<nixpkgs>`";
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})
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relativeLocs);
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in
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pkgs.writeText "locations.json" (builtins.toJSON jsonLocs)
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