google-cloud-sdk: reduce closure size when using extra components

{ lib, google-cloud-sdk, runCommand, components }:

{ lib, google-cloud-sdk, symlinkJoin, components }:

comps_:

  defaultComponents = with components; [ alpha beta ];

  comps = [ google-cloud-sdk ] ++ filterPreInstalled (findDepsRecursive (defaultComponents ++ comps_));

in

# Components are installed by copying the `google-cloud-sdk` package, along

# with each component, over to a new location, and then patching that location

# with `sed` to ensure the proper paths are used.

# For some reason, this does not work properly with a `symlinkJoin`: the

# `gcloud` binary doesn't seem able to find the installed components.

runCommand "google-cloud-sdk-${google-cloud-sdk.version}"

{

  inherit (google-cloud-sdk) meta;

  inherit comps;

  passAsFile = [ "comps" ];

  doInstallCheck = true;

  disallowedRequisites = [ google-cloud-sdk ];

  installCheckPhase =

  installCheck =

    let

      compNames = builtins.map (drv: drv.name) comps_;

      compNames = builtins.map lib.getName comps_;

    in

    ''

      $out/bin/gcloud components list > component_list.txt

      $out/bin/gcloud components list --only-local-state --format 'value(id)' > component_list.txt

      for comp in ${builtins.toString compNames}; do

        if [ ! grep ... component_list.txt | grep "Not Installed" ]; then

        snapshot_file="$out/google-cloud-sdk/.install/$comp.snapshot.json"

        if ! [ -f "$snapshot_file"  ]; then

          echo "Failed to install component '$comp'"

          exit 1

        fi

        if grep --quiet '"is_hidden":true' "$snapshot_file"; then

          continue

        fi

        if ! grep --quiet "^$comp$" component_list.txt; then

          echo "Failed to install component '$comp'"

          exit 1

        fi

      done

    '';

}

  ''

    mkdir -p $out

in

# The `gcloud` entrypoint script has some custom logic to determine the "real" cloud sdk

# root. In order to not trip up this logic and still have the symlink joined root we copy

# over this file. Since this file also has a Python wrapper, we need to copy that as well.

symlinkJoin {

  name = "google-cloud-sdk-${google-cloud-sdk.version}";

  inherit (google-cloud-sdk) meta;

    # Install each component

    for comp in $(cat $compsPath); do

      echo "installing component $comp"

      cp -dRf $comp/. $out

      find $out -type d -exec chmod 744 {} +

    done

  paths = [

    google-cloud-sdk

  ] ++ comps;

    # Replace references to the original google-cloud-sdk with this one

    find $out/google-cloud-sdk -type f -exec sed -i -e "s#${google-cloud-sdk}#$out#" {} \;

  ''

  postBuild = ''

    sed -i ';' $out/google-cloud-sdk/bin/.gcloud-wrapped

    sed -i -e "s#${google-cloud-sdk}#$out#" "$out/google-cloud-sdk/bin/gcloud"

    ${installCheck}

  '';

}