update ssh for root

users/_common/programs/ssh.nix

@@ -19,8 +19,7 @@
   programs.ssh = {
     enable = true;
     matchBlocks = {
-      github = {
-        hostname = "github.com";
+      "github.com" = {
         identityFile = age.secrets.nix2github.path;
       };
     };

users/root/configuration.nix

@@ -3,5 +3,13 @@
   users.users.root = {
     initialPassword = "password1";
   };
+
+  system.activationScripts.sshConfig = {
+    text = ''
+      mkdir -p /root/.ssh
+      ln -snf ${config.age.secrets.nix2github.path} /root/.ssh/nix2github
+      ln -snf /home/${settings.user.username}/.ssh/config /root/.ssh/config
+    '';
+  };
 }