release.nix: Add ".update-on-nixos-rebuild".

We want to update the vuizvui channel alongside of the nixos channel in
"nixos-rebuild subcommand --upgrade", because we include machines and
NixOS modules.

Might be splitted off into the machine-specific channels later.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/release.nix b/release.nix
index 4d603941..4a1db9a1 100644
--- a/release.nix
+++ b/release.nix
@@ -38,6 +38,7 @@ in with pkgsUpstream.lib; with builtins; {
              \) -exec sed -i -re 's!<nixpkgs([^>]*)>!<vuizvui/nixpkgs\1>!g' {} +
         echo -n "$pkgsVer" > nixpkgs/.version-suffix
         echo -n ${nixpkgs.rev or nixpkgs.shortRev} > nixpkgs/.git-revision
+        touch .update-on-nixos-rebuild
       '';
     } // removeAttrs attrs [ "name" ]);