katja's git: dns.nix

update `example.nix`, `README.md`

diff --git a/README.md b/README.md
@@ -78,11 +78,6 @@ You can build an example zone in `example.nix` by running
 ## Use
 
 ### Importing
-
-There are two ways to import `dns.nix`.
-
-#### As a flake
-
 Add it as an input to your flake:
 
 ```nix

@@ -99,31 +94,12 @@ Add it as an input to your flake:
   };
 
   outputs = { self, nixpkgs, dns }: {
-    # Most functions from `dns.nix` are available in `dns.lib`.
-    # Functions that require `stdenv` (e.g. `writeZone`) are in
-    # `dns.util.<system>`.
+    # Functions from `dns.nix` are available in `dns.lib`.
     # ...
   };
 }
 ```
 
-#### Importing directly (legacy)
-
-Always get the latest version from GitHub:
-
-```nix
-let
-  dns = import (builtins.fetchTarball "https://github.com/kirelagin/dns.nix/archive/master.zip");
-in {
-  # ...
-}
-```
-
-To make your setup more reproducible, you should pin the version used by specifying
-a commit hash or using a submodule. This is all a little clumsy and nowadays it
-is probably best to simply switch to flakes.
-
-
 ### In your NixOS configuration
 
 _There is a chance that in the future we will either integrate this into

@@ -232,10 +208,6 @@ As another example, take a look at the `evalZone` function in `dns/default.nix`,
 which takes a name for a zone and a zone definition, defines a “fake” module
 similar to the one above, and then evaluates it.
 
-`dns.utils` provides `writeZone`, which is a helper function that additionally
-calls `toString` and writes the resulting string to a file.
-
-
 ## Contributing
 
 If you encounter any issues when using this library or have improvement ideas,

diff --git a/example.nix b/example.nix
@@ -5,8 +5,7 @@
 #
 
 let
-  dns = import ./.;
-  util = dns.util.${builtins.currentSystem};
+  dns = builtins.getFlake (toString ./.);
 
   testZone = with dns.lib.combinators; {
     SOA = {

@@ -62,6 +61,6 @@ let
       foo.subdomains.www.CNAME = [ "foo.test.com." ];
     };
   };
-in
+in 
 
-util.writeZone "test.com" testZone
+dns.lib.toString "test.com" testZone