Git ssh signing darwin

also fix defaults woop

home-manager/common/programs/core.nix

@@ -86,10 +86,6 @@ with lib; {
         package = pkgs.gitAndTools.gitFull;
         userName = "Nathan McCarty";
         userEmail = "nathan@mccarty.io";
-        signing = {
-          key = lib.mkDefault "B7A40A5D78C08885";
-          signByDefault = config.nathan.programs.util.git.gpgSign;
-        };
         ignores = [
           "**/*~"
           "*~"

machines/extremophile/home.nix

@@ -14,4 +14,12 @@
     };
     config = { isDesktop = true; };
   };
+  # Setup git commit signing with ssh key
+  programs.git = {
+    extraConfig = {
+      commit.gpgSign = true;
+      gpg.format = "ssh";
+      user.signingKey = "~/.ssh/id_ed25519.pub";
+    };
+  };
 }