git-pull-all: Fix failure on non-git directories

[babashka-scripts.git] / git-pull-all

#! /usr/bin/env bb
; -*- mode: clojure -*-

; Runs `git pull` on all the git repositories in a directory

(require '[babashka.process :as p] '[clojure.java.io :as io])

(def default-root ".")

(defn has-git-repo
  [dir]
  (first (filter #(= ".git" %)
           (map #(.getName %)
             (filter #(.isDirectory %) (.listFiles (io/file dir)))))))

(defn list-dirs
  [root]
  (filter #(has-git-repo %)
    (filter #(.isDirectory %) (.listFiles (io/file root)))))

(defn git-pull [dir] (p/process ["git" "-C" dir "pull" "--rebase"]))

(when (= *file* (System/getProperty "babashka.file"))
  (let [root (get (into [] *command-line-args*) 0 default-root)
        dirs (list-dirs root)
        pulls (->> root
                   list-dirs
                   (map git-pull)
                   doall)
        outputs (map #(->> %
                           p/check
                           :out
                           slurp)
                  pulls)]
    ;; Print corresponding directory name when pulling
    ;; Skip printing already up to date repos
    (doseq [[dir out] (filter #(not (.contains (second %) "is up to date."))
                        (map vector dirs outputs))]
      (println (str dir "\n" out)))))