Filter tests from fileset

built.boot

(require '[clojure.java.io :as io]
         '[boot.core :as c]
         '[boot.file :as f])

(defn make-test-manifest
  [test-dir]
  (->> test-dir
       io/file
       file-seq
       (filter #(.isFile %))
       (map #(f/relative-to (io/file test-dir) %))
       (map #(.getPath %))))

(c/deftask without-tests
  [d test-dir DIR str "Name of test directory"]
  (c/with-pre-wrap [fileset]
    (let [tests (make-test-manifest (or test-dir "test"))]
      (c/commit! (update fileset :tree #(reduce dissoc % tests))))))

(comment
  (set-env! :resource-paths #{"src" "test"})
  (boot (show :fileset true)
        (without-tests "test")
        (show :fileset true)))