Friendly REPL. Run with `clojure -Sdeps '{:deps {hello-clojure {:git/url "https://gist.github.com/mtnygard/9b2dd3c88b3309d82210b84f33ee954d" :sha "774314af2d28261af4a52ac270136d5ba21ff046"}}}' -m frenpl`

deps.edn

{:paths ["." "src" "test"]
 :deps {expound                    {:mvn/version "0.8.4"}
        clansi                     {:mvn/version "1.0.0"}
        cider/cider-nrepl          {:mvn/version "0.24.0"}
        refactor-nrepl             {:mvn/version "2.5.0"}
        com.bhauman/rebel-readline {:mvn/version "0.1.4"}}}

frenpl.clj

(ns frenpl
  "The user-friendly REPL"
  (:require clansi
            [clojure.java.io :as io]
            [expound.alpha :as expound]
            [clojure.spec.alpha :as s]
            [nrepl.server :as nrepl-server]
            [cider.nrepl :refer (cider-nrepl-handler)]
            [refactor-nrepl.middleware :as refactor]
            [rebel-readline.main]))

(def styles
  {\b :bg-blue
   \g :bg-green
   \w :bg-white})

(defn colorize-line [line]
  (->> line
       (map #(clansi/style "  " (get styles % :bg-default)))
       (apply str)))

(defn -main [& args]
  (with-open [r (io/reader (io/resource "logo.dat"))]
    (run! #(println (colorize-line %)) (line-seq r)))
  (set! s/*explain-out* (expound/custom-printer {:print-specs? false :show-valid-values? true}))
  (spit ".nrepl-port" "7888\n")
  (nrepl-server/start-server :port 7888 :handler (refactor/wrap-refactor cider-nrepl-handler))
  (println "\n\nNREPL server started on port 7888\n\n")
  (apply rebel-readline.main/-main args))

logo.dat

-----------wwwwwwwwww-----------
---------wwwwwbbbbwwwww---------
-------wwwbbbbbbbbbbbwwww-------
------wwbbbbbbbbbbbbbbbwww------
-----wwbbbbbbbbbbbbbbbbbbww-----
----wwbbbbbbbbbbbbbbbbbbbbww----
---wwwwwwwwbbbbbbbbbbbbbbbbww---
--wwwwwwwwwwwwwwwwwbbbbbbbbbww--
--wwwwgggwwwwwbbbbwwwbbbbbbbww--
-wwwwggggwwgwwbbbbbbwwbbbbbbbww-
-wwwgggggwwggwwbbbbbbwwbbbbbbww-
wwwgggggwwgggwwbbbbbbbwwbbbbbbw-
wwgggggwwgggggwwbbbbbbbwbbbbbbww
wwgggggwwgggggwwbbbbbbbwwbbbbbww
wggggggwgggggggwbbbbbbbwwbbbbbww
wggggggwgggggggwbbbbbbbbwbbbbbww
wggggggwggggggwwwbbbbbbbwbbbbbww
wggggggwgggggwwgwbbbbbbwwbbbbbww
wwgggggwwggggwggwwbbbbbwwbbbbbww
wwggggggwgggwwggwwbbbbbwbbbbbbw-
-wggggggwwggwggggwwbbbwwbbbbbww-
-wgggggggwwgwggggwwbbwwbbbbbwww-
-wwgggggggwwwgggggwwwwbbbbwwww--
--wwgggggggwwwwggwwwwwwwwwwwww--
--wwgggggggggwwwwwwgggwwwwggw---
---wwggggggggggggggggggggggww---
----wwggggggggggggggggggggww----
-----wwggggggggggggggggggww-----
------wwwggggggggggggggwww------
--------wwwggggggggggwww--------
----------wwwwwwwwwwww----------
-------------wwwwww-------------

Thanks for creating this gist! FYI that running this command locally emits a warning under Clojure v1.11.1.1429:

DEPRECATED: Libs must be qualified, change hello-clojure => hello-clojure/hello-clojure