git-pull-all

   1 #! /usr/bin/env bb
   2 ; -*- mode: clojure -*-
   3
   4 ; Runs `git pull` on all the git repositories in a directory
   5
   6 (require '[babashka.process :as p] '[clojure.java.io :as io])
   7
   8 (def default-root ".")
   9
  10 (defn has-git-repo
  11   [dir]
  12   (first (filter #(= ".git" %)
  13            (map #(.getName %)
  14              (filter #(.isDirectory %) (.listFiles (io/file dir)))))))
  15
  16 (defn list-dirs
  17   [root]
  18   (filter #(has-git-repo %)
  19     (filter #(.isDirectory %) (.listFiles (io/file root)))))
  20
  21 (defn git-pull [dir] (p/process ["git" "-C" dir "pull" "--rebase"]))
  22
  23 (when (= *file* (System/getProperty "babashka.file"))
  24   (let [root (get (into [] *command-line-args*) 0 default-root)
  25         dirs (list-dirs root)
  26         pulls (->> root
  27                    list-dirs
  28                    (map git-pull)
  29                    doall)
  30         outputs (map #(->> %
  31                            p/check
  32                            :out
  33                            slurp)
  34                   pulls)]
  35     ;; Print corresponding directory name when pulling
  36     ;; Skip printing already up to date repos
  37     (doseq [[dir out] (filter #(not (.contains (second %) "is up to date."))
  38                         (map vector dirs outputs))]
  39       (println (str dir "\n" out)))))