restore old DEFAULT_ALLOWED_IMPURE_PREFIXES
restore old DEFAULT_ALLOWED_IMPURE_PREFIXES

shlevy/nix,zimbatm/nix,ttuegel/nix,pikajude/nix,shlevy/nix,ehmry/nix,wmertens/nix,garbas/nix,peti/nix,rycee/nix,ysangkok/nix,ttuegel/nix,dezgeg/nix,vcunat/nix,dtzWill/nix,ehmry/nix,pikajude/nix,layus/nix,garbas/nix,dezgeg/nix,peti/nix,layus/nix,NixOS/nix,bennofs/nix,peti/nix,NixOS/nix,rycee/nix,ysangkok/nix,vizanto/nix,bennofs/nix,zimbatm/nix,bennofs/nix,vizanto/nix,peti/nix,vcunat/nix,dezgeg/nix,dtzWill/nix,zimbatm/nix,shlevy/nix,shlevy/nix,NixOS/nix,ttuegel/nix,ehmry/nix,layus/nix,dtzWill/nix,garbas/nix,ysangkok/nix,layus/nix,vizanto/nix,vcunat/nix,dezgeg/nix,NixOS/nix,wmertens/nix,pikajude/nix,bennofs/nix,ehmry/nix,NixOS/nix,garbas/nix,rycee/nix,shlevy/nix,wmertens/nix,dtzWill/nix,wmertens/nix,garbas/nix,vcunat/nix,peti/nix,zimbatm/nix,vizanto/nix,dezgeg/nix,rycee/nix,dtzWill/nix,ehmry/nix,ehmry/nix,ttuegel/nix,rycee/nix,layus/nix