guruma

;; (require '[clojure.string :as str] '[clojure.java.shell :as shell] '[taoensso.timbre :as timbre])

(defn with-free-port!
  "Attempts to kill any current port-binding process, then repeatedly executes
  nullary `bind-port!-fn` (which must return logical true on successful
  binding). Returns the function's result when successful, else throws an
  exception. *nix only.

  This idea courtesy of Feng Shen, Ref. http://goo.gl/kEolu."
  [port bind-port!-fn & {:keys [max-attempts sleep-ms]