source common.sh drvs=$($nixinstantiate fixed.nix -A good) echo $drvs $nixstore -r $drvs drvs=$($nixinstantiate fixed.nix -A good2) echo $drvs $nixstore -r $drvs drvs=$($nixinstantiate fixed.nix -A bad) echo $drvs if $nixstore -r $drvs; then false; fi if $nixinstantiate fixed.nix -A reallyBad; then false; fi # While we're at it, check attribute selection a bit more. test $($nixinstantiate fixed.nix -A good.1 | wc -l) = 1