babashka.cli args->opts

cli_app.clj

(ns cli-app
  (:require [babashka.cli :as cli]))

(def spec {:hello {:desc "something"}
           :foo {:desc "foo"}
           :bar {:desc "bar"
                 :coerce []}})

(def cli-opts {:spec spec
               :args->opts (cons :foo (repeat :bar))})

(defn foo
  {:org.babashka/cli cli-opts}
  [m]
  (if (:help m)
    (do
      (println "Usage: foo [OPTIONS] FOO BAR+")
      (println)
      (println "Options:")
      (println (cli/format-opts {:spec spec}))
      (println))
    m))

(foo (cli/parse-opts *command-line-args* cli-opts))

;; $ bb /tmp/cli_app.clj --hello there arg1 arg2 arg3
;; {:hello "there", :foo "arg1", :bar ["arg2" "arg3"]}

;; $ bb /tmp/cli_app.clj --help
;; Usage: foo [OPTIONS] FOO BAR+

;; Options:
;; --hello something
;; --foo   foo
;; --bar   bar