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-rw-r--r--pkgs/build-support/docker/default.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 37b25232b96..2a25ac04d40 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -845,6 +845,9 @@ rec {
         echo "         be better to only have one layer that contains a nix store."
 
         export NIX_REMOTE=local?root=$PWD
+        # A user is required by nix
+        # https://github.com/NixOS/nix/blob/9348f9291e5d9e4ba3c4347ea1b235640f54fd79/src/libutil/util.cc#L478
+        export USER=nobody
         ${nix}/bin/nix-store --load-db < ${closureInfo {rootPaths = contentsList;}}/registration
 
         mkdir -p nix/var/nix/gcroots/docker/