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-rw-r--r--docker.nix12
1 files changed, 11 insertions, 1 deletions
diff --git a/docker.nix b/docker.nix
index 203a06b53..52199af66 100644
--- a/docker.nix
+++ b/docker.nix
@@ -8,6 +8,7 @@
, extraPkgs ? []
, maxLayers ? 100
, nixConf ? {}
+, flake-registry ? null
}:
let
defaultPkgs = with pkgs; [
@@ -247,7 +248,16 @@ let
mkdir -p $out/bin $out/usr/bin
ln -s ${pkgs.coreutils}/bin/env $out/usr/bin/env
ln -s ${pkgs.bashInteractive}/bin/bash $out/bin/sh
- '';
+
+ '' + (lib.optionalString (flake-registry != null) ''
+ nixCacheDir="/root/.cache/nix"
+ mkdir -p $out$nixCacheDir
+ globalFlakeRegistryPath="$nixCacheDir/flake-registry.json"
+ ln -s ${flake-registry}/flake-registry.json $out$globalFlakeRegistryPath
+ mkdir -p $out/nix/var/nix/gcroots/auto
+ rootName=$(${pkgs.nix}/bin/nix --extra-experimental-features nix-command hash file --type sha1 --base32 <(echo -n $globalFlakeRegistryPath))
+ ln -s $globalFlakeRegistryPath $out/nix/var/nix/gcroots/auto/$rootName
+ '');
in
pkgs.dockerTools.buildLayeredImageWithNixDb {