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38 lines
1.2 KiB
Nix
38 lines
1.2 KiB
Nix
6 years ago
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# Source: http://chriswarbo.net/projects/nixos/useful_hacks.html
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{ args, name }:
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let
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nixpkgs = import <nixpkgs> {};
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lib = nixpkgs.lib;
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in
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rec {
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# Store each arg in a separate variable, named numerically
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env = with lib.foldl' (result: arg: {
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# Increment the count, for the next arg (if any)
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count = result.count + 1;
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# Append a variable to the environment for this arg
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vars = result.vars // {
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"${name}${toString result.count}" = arg;
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};
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})
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# Start with variable 1 in an empty environment
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{ count = 1; vars = {}; }
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args;
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vars;
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code = ''
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### Auto-generated by nixListToBashArray
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${name}=()
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for N in $(seq 1 "${toString (lib.length args)}")
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do
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# Use a "variable variable" to look up "$name$N" as a variable name
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NIXLISTTOBASHARRAYTEMP="${name}$N"
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${name}=("''${${name}[@]}" "''${!NIXLISTTOBASHARRAYTEMP}")
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unset NIXLISTTOBASHARRAYTEMP
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done
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### End of auto-generated code
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'';
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}
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