Get all credentials of all GKE clusters in a project using fish, gcloud, jq, and xargs

gistfile1.txt

gcloud --project $project container clusters list --format json \
  | jq -r '.[] | "\(.name):\(.location)"' \
  | xargs -I @ bash -c \
    "name=\$(echo @ | cut -d ':' -f 1) \
    && region=\$(echo @ | cut -d ':' -f 2) \
    && gcloud --project $project container clusters get-credentials \$name --region \$region"