solution: use gradle 7.2

Co-authored-by: Brian McGee <brian@41north.dev>

nix/mkEnv.nix

@@ -0,0 +1,29 @@
+{ lib, writeText, buildEnv }:
+
+{ name ? "dev-env"
+, # Environment variables to set
+  env ? { }
+, # Packages to add to the path
+  paths ? [ ]
+}:
+let
+  envToBash = name: value:
+    "export ${name}=${lib.escapeShellArg (toString value)}"
+  ;
+
+  exports = lib.concatStringsSep "\n"
+    (map (name: envToBash name env.${name}) (lib.attrNames env));
+
+  env-root = writeText "env-root" ''
+    export PATH=@env-root@/bin:$PATH
+
+    ${exports}
+  '';
+in
+buildEnv {
+  inherit name;
+  paths = paths;
+  postBuild = ''
+    sed "s|@env-root@|$out|g" ${env-root} > $out/.profile
+  '';
+}