source common.sh drvPath=$($TOP/src/nix-instantiate/nix-instantiate simple.nix) echo "derivation is $drvPath" outPath=$($TOP/src/nix-store/nix-store -rvv "$drvPath") echo "output path is $outPath" text=$(cat "$outPath"/hello) if test "$text" != "Hello World!"; then exit 1; fi