Stefan Junker
89c9f9e606
The NIX_PATH assembly now walks over all keys in the given channel repositories and assembles a NIX_PATH entry from it. Previously it made assumptions about a set of hardcoded keys being available, which wasn't ideal as it didn't allow device-entries.
29 lines
849 B
Nix
29 lines
849 B
Nix
{ versionsPath }:
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let
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channelVersions = (import versionsPath);
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mkChannelSource = name:
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let
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channelVersion = builtins.getAttr name channelVersions;
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in builtins.fetchGit {
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# Descriptive name to make the store path easier to identify
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inherit name;
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inherit (channelVersion) url ref rev;
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};
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nixPath = builtins.foldl' (path: elemName:
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let
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elem = builtins.getAttr elemName channelVersions;
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elemPath = (mkChannelSource elemName);
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suffix = if builtins.hasAttr "suffix" elem then elem.suffix else "";
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in
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path + ":" + builtins.concatStringsSep "=" [ elemName elemPath ] + suffix
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) "" (builtins.attrNames channelVersions);
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pkgs = import (mkChannelSource "nixpkgs") {};
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in
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{
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inherit nixPath;
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channelSources = pkgs.writeText "channels.rc" ''
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export NIX_PATH=${nixPath}
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'';
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}
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