21.05 beta release

nixos/modules/misc/version.nix

@@ -76,7 +76,7 @@ in
     defaultChannel = mkOption {
       internal = true;
       type = types.str;
-      default = "https://nixos.org/channels/nixos-unstable";
+      default = "https://nixos.org/channels/nixos-21.05";
       description = "Default NixOS channel to which the root user is subscribed.";
     };
 

nixos/release.nix

@@ -12,7 +12,7 @@ let
 
   version = fileContents ../.version;
   versionSuffix =
-    (if stableBranch then "." else "pre") + "${toString nixpkgs.revCount}.${nixpkgs.shortRev}";
+    (if stableBranch then "." else "beta") + "${toString (nixpkgs.revCount - 291486)}.${nixpkgs.shortRev}";
 
   # Run the tests for each platform.  You can run a test by doing
   # e.g. ‘nix-build -A tests.login.x86_64-linux’, or equivalently,