forked from DGNum/liminix
41 lines
1.1 KiB
Nix
41 lines
1.1 KiB
Nix
# Generated by lon. Do not modify!
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let
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lock = builtins.fromJSON (builtins.readFile ./lon.lock);
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# Override with a path defined in an environment variable. If no variable is
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# set, the original path is used.
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overrideFromEnv =
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name: path:
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let
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replacement = builtins.getEnv "LON_OVERRIDE_${name}";
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in
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if replacement == "" then
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path
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else
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# this turns the string into an actual Nix path (for both absolute and
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# relative paths)
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if builtins.substring 0 1 replacement == "/" then
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/. + replacement
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else
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/. + builtins.getEnv "PWD" + "/${replacement}";
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fetchSource =
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args@{ fetchType, ... }:
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if fetchType == "git" then
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builtins.fetchGit {
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url = args.url;
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ref = args.branch;
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rev = args.revision;
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narHash = args.hash;
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}
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else if fetchType == "tarball" then
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builtins.fetchTarball {
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url = args.url;
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sha256 = args.hash;
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}
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else
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builtins.throw "Unsupported source type ${fetchType}";
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in
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builtins.mapAttrs (name: args: overrideFromEnv name (fetchSource args)) lock.sources
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