with import ./config.nix; let dep = mkDerivation { name = "dep"; buildCommand = '' mkdir $out; echo bla > $out/bla ''; }; in mkDerivation { name = "structured"; __structuredAttrs = true; buildCommand = '' set -x [[ $int = 123456789 ]] [[ -z $float ]] [[ -n $boolTrue ]] [[ -z $boolFalse ]] [[ -n ''${hardening[format]} ]] [[ -z ''${hardening[fortify]} ]] [[ ''${#buildInputs[@]} = 7 ]] [[ ''${buildInputs[2]} = c ]] [[ -v nothing ]] [[ -z $nothing ]] mkdir ''${outputs[out]} echo bar > $dest json=$(cat .attrs.json) [[ $json =~ '"narHash":"sha256:1r7yc43zqnzl5b0als5vnyp649gk17i37s7mj00xr8kc47rjcybk"' ]] [[ $json =~ '"narSize":288' ]] [[ $json =~ '"closureSize":288' ]] [[ $json =~ '"references":[]' ]] ''; buildInputs = [ "a" "b" "c" 123 "'" "\"" null ]; hardening.format = true; hardening.fortify = false; outer.inner = [ 1 2 3 ]; int = 123456789; float = 123.456; boolTrue = true; boolFalse = false; nothing = null; dest = "${placeholder "out"}/foo"; "foo bar" = "BAD"; "1foobar" = "BAD"; "foo$" = "BAD"; exportReferencesGraph.refs = [ dep ]; }