use meta attribute set instead of jinja2 template variables

Author: NickLarsenNZ

template/default.nix

@@ -40,7 +40,7 @@
 , dockerTag ? null
 }:
 rec {
-  inherit cargo sources pkgs;
+  inherit cargo sources pkgs meta;
   build = cargo.allWorkspaceMembers;
   entrypoint = build+"/bin/stackable-${meta.operator.name}";
   crds = pkgs.runCommand "${meta.operator.name}-crds.yaml" {}

template/shell.nix.j2 renamed to template/shell.nix

@@ -1,12 +1,12 @@
 let
   self = import ./. {};
-  inherit (self) sources pkgs;
+  inherit (self) sources pkgs meta;
 
   beku = pkgs.callPackage (sources."beku.py" + "/beku.nix") {};
   cargoDependencySetOfCrate = crate: [ crate ] ++ pkgs.lib.concatMap cargoDependencySetOfCrate (crate.dependencies ++ crate.buildDependencies);
   cargoDependencySet = pkgs.lib.unique (pkgs.lib.flatten (pkgs.lib.mapAttrsToList (crateName: crate: cargoDependencySetOfCrate crate.build) self.cargo.workspaceMembers));
 in pkgs.mkShell rec {
-  name = "{[ operator.name }]";
+  name = meta.operator.name;
 
   packages = with pkgs; [
     ## cargo et-al