86 lines
2.4 KiB
Nix
86 lines
2.4 KiB
Nix
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{ pkgs ? (import ./.. { }), nixpkgs ? { }}:
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let
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revision = pkgs.lib.trivial.revisionWithDefault (nixpkgs.revision or "master");
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libDefPos = set:
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builtins.map
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(name: {
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name = name;
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location = builtins.unsafeGetAttrPos name set;
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})
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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."${subsetname}";
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})
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(builtins.filter
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(name: builtins.isAttrs toplib."${name}")
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(builtins.attrNames toplib));
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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/${revision}";
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xmlstrings = (nixpkgsLib.strings.concatMapStrings
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({ name, value }:
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''
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<section><title>${name}</title>
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<para xml:id="${sanitizeId name}">
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Located at
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<link
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xlink:href="${urlPrefix}/${value.file}#L${builtins.toString value.line}">${value.file}:${builtins.toString value.line}</link>
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in <literal><nixpkgs></literal>.
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</para>
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</section>
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'')
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relativeLocs);
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in pkgs.writeText
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"locations.xml"
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''
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="5">
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<title>All the locations for every lib function</title>
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<para>This file is only for inclusion by other files.</para>
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${xmlstrings}
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</section>
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''
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