shell one-liner to check a datomic client connection

datomic-client-conn-test.sh

#!/bin/sh

ENDPOINT=localhost:8998 \
ACCESS=accesskey \
SECRET=secret \
ALIAS=alias \
clj -Sdeps '{:deps {com.datomic/client-pro {:mvn/version "0.8.28"}}}' \
  -e "(require '[datomic.client.api :as d])" \
  -e '(defmacro E [sym] `(System/getenv ~(name sym)))' \
  -e '(-> (d/client {:server-type :peer-server
                     :endpoint (E ENDPOINT)
                     :access-key (E ACCESS)
                     :secret (E SECRET)})
        (d/connect {:db-name (E ALIAS)})
        d/db (d/pull [:db/id :db/ident] 0))'