{ stdenv }:

{ name, src, constituents ? [], meta ? {}, ... }@args:

stdenv.mkDerivation {
  inherit name src constituents;
  _hydraAggregate = true;

  phases = [ "unpackPhase" "installPhase" ];
  installPhase = ''
    mkdir -p "$out/tarballs" "$out/nix-support"

    tar cJf "$out/tarballs/nixexprs.tar.xz" \
      --owner=0 --group=0 --mtime="1970-01-01 00:00:00 UTC" \
      --transform='s!^\.!${name}!' .

    echo "channel - $out/tarballs/nixexprs.tar.xz" \
      > "$out/nix-support/hydra-build-products"

    echo $constituents > "$out/nix-support/hydra-aggregate-constituents"
    for i in $constituents; do
      if [ -e "$i/nix-support/failed" ]; then
        touch "$out/nix-support/failed"
      fi
    done
  '';

  meta = meta // {
    isHydraChannel = true;
  };
} // removeAttrs args [ "name" "channelName" "src" "constituents" "meta" ]