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75 lines
2.3 KiB
Nix
75 lines
2.3 KiB
Nix
# This is currently only used for legacy modules ported to v1.
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# The dream-lock concept might be deprecated together with this module at some
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# point.
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{lib, ...}: let
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l = builtins // lib;
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fetchSource = {
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source,
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extract ? false,
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fetchers,
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}: let
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fetcher = fetchers."${source.type}";
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fetcherArgs = l.removeAttrs source ["dir" "hash" "type"];
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fetcherOutputs = fetcher.outputs fetcherArgs;
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maybeArchive = fetcherOutputs.fetched (source.hash or null);
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in
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if source ? dir
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then "${maybeArchive}/${source.dir}"
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else maybeArchive;
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fetchDreamLockSources = {
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# sources attrset from dream lock
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defaultPackageName,
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defaultPackageVersion,
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sources,
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fetchers,
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sourceRoot ? null,
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...
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}: let
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l = lib // builtins;
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fetchedSources =
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l.mapAttrs
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(name: versions:
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l.mapAttrs
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(version: source:
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if source.type == "unknown"
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then "unknown"
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else if source.type == "path"
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then let
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path =
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if l.isStorePath (l.concatStringsSep "/" (l.take 4 (l.splitString "/" source.path)))
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then source.path
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else if name == source.rootName && version == source.rootVersion
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then throw "source for ${name}@${version} is referencing itself"
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else if source.rootName != null && source.rootVersion != null
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then "${fetchedSources."${source.rootName}"."${source.rootVersion}"}/${source.path}"
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else if sourceRoot != null
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then "${sourceRoot}/${source.path}"
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else throw "${name}-${version}: cannot determine path source";
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in
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l.path {
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inherit path;
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name = l.strings.sanitizeDerivationName "${name}-${version}-source";
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}
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else if fetchers ? "${source.type}"
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then
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fetchSource {
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inherit fetchers;
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source =
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source
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// {
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pname = source.pname or name;
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version = source.version or version;
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};
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}
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else throw "unsupported source type '${source.type}'")
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versions)
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sources;
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# attrset: pname -> path of downloaded source
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in
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fetchedSources;
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in
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fetchDreamLockSources
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