tea-create-pr: get rid of runtime nix eval

...instead use our treefmt wrapper derivation which is exactly the same
but doesn't require an eval at runtime

pkgs/flake-module.nix

@@ -24,7 +24,7 @@
     {
       packages =
         {
-          tea-create-pr = pkgs.callPackage ./tea-create-pr { };
+          tea-create-pr = pkgs.callPackage ./tea-create-pr { formatter = config.treefmt.build.wrapper; };
           zerotier-members = pkgs.callPackage ./zerotier-members { };
           zt-tcp-relay = pkgs.callPackage ./zt-tcp-relay { };
           moonlight-sunshine-accept = pkgs.callPackage ./moonlight-sunshine-accept { };

pkgs/tea-create-pr/default.nix

@@ -5,6 +5,8 @@
   git,
   tea,
   openssh,
+  # our formatter
+  formatter,
 }:
 writeShellApplication {
   name = "tea-create-pr";
@@ -14,6 +16,9 @@ writeShellApplication {
     git
     tea
     openssh
+
+    # our treefmt formatter wrapped with correct config
+    formatter
   ];
   text = builtins.readFile ./script.sh;
 }

pkgs/tea-create-pr/script.sh

@@ -29,7 +29,7 @@ if ! check_remote "$remoteUpstream"; then
   exit 1
 fi
 
-nix fmt -- --fail-on-change --no-cache
+treefmt --fail-on-change --no-cache
 
 upstream_url=$(git remote get-url "$remoteUpstream")
 set -x