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# defeats the recursion checks of nix and will cause it to
# loop infinitely. well, almost, anyways.
#
# annoyingly, nix doesn't have tail recursion, so actually
# it'll eventually terminate with a stack overflow.
let
pkgs = import <nixpkgs> {};
writeTextVerbose = file: content: pkgs.stdenv.mkDerivation {
name = file;
src = pkgs.hello;
buildPhase = ''
echo ${pkgs.lib.escapeShellArg content} > $out
'';
installPhase = ''
echo wrote file to $name
'';
};
storefile = v: writeTextVerbose "nixfile" ''
{
x = ${toString v};
}
'';
loop = a:
let file = import (storefile a);
in if file.x == 1 then loop a else "done";
in loop 1
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