git/git-pull-all

   1 #!/bin/sh
   2
   3 # A script to recursively pull git repositories behind origin.
   4
   5 # Copyright (c) 2022 Stefan Huber
   6 #
   7 # Permission is hereby granted, free of charge, to any person
   8 # obtaining a copy of this software and associated documentation
   9 # files (the "Software"), to deal in the Software without
  10 # restriction, including without limitation the rights to use,
  11 # copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 # copies of the Software, and to permit persons to whom the
  13 # Software is furnished to do so, subject to the following
  14 # conditions:
  15 #
  16 # The above copyright notice and this permission notice shall be
  17 # included in all copies or substantial portions of the Software.
  18 #
  19 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  21 # OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  23 # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  24 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26 # OTHER DEALINGS IN THE SOFTWARE.
  27
  28 set -e
  29 set -u
  30
  31 showHelp()
  32 {
  33         echo "Recursively pull git repositories behind origin."
  34         echo ""
  35         echo "Usage:"
  36         echo "  git-pull-all [OPTIONS]"
  37         echo "  git-pull-all [OPTIONS] DIR"
  38         echo ""
  39         echo "OPTIONS:"
  40         echo "  -a, --ask       ask user for each repo before pull"
  41         echo "  -h, --help      show this message"
  42         echo "  -n, --dry-run   do not actually perform pull"
  43         echo ""
  44         echo ""
  45         echo "Examples:"
  46         echo ""
  47         echo "Recursively find git repositories and invoke pull if"
  48         echo "branch is behind origin:"
  49         echo ""
  50         echo "  git-pull-all"
  51         echo ""
  52         echo "Find git repositories in home directory and print"
  53         echo "whether they are up to date:"
  54         echo ""
  55         echo "  git-pull-all -n ~"
  56
  57 }
  58
  59 if ! options=$(getopt -u -o ahn -l ask,help,dry-run -- "$@"); then
  60         showHelp >&2
  61         exit 1
  62 fi
  63 set -- $options
  64
  65 optDryRun=0
  66 optAsk=0
  67
  68 #Parse the arguments
  69 while [ $# -gt 0 ]; do
  70         case "$1" in
  71                 -h|--help) showHelp; exit 0 ;;
  72                 -n|--dry-run) optDryRun=1 ;;
  73                 -a|--ask) optAsk=1 ;;
  74                 --) shift; break ;;
  75                 -*) echo "Unrecognized option $1" >&2; showHelp >&2; exit 1 ;;
  76                 *) break ;;
  77         esac
  78         shift
  79 done
  80
  81 for REPODIR in $(find "$@" -name .git -type d 2> /dev/null); do
  82
  83         REPO=$(dirname ${REPODIR})
  84         echo "Run ${REPO} …"
  85
  86         if [ "${optAsk}" = 1 ]; then
  87                 read -p "  Process [y/N]? " -n1  response
  88                 echo ""
  89
  90                 [ "${response}" = "y" ] || continue
  91         fi
  92
  93         git -C ${REPO} remote update
  94
  95         if [ -z "$(git -C ${REPO} status -uno | grep 'Your branch is behind')" ] ; then
  96                 /usr/bin/echo -e "\e[1;32m  Already up to date\e[0m"
  97         else
  98                 if [ "${optDryRun}" = 1 ]; then
  99                         /usr/bin/echo -e "\e[1;31m  Skipping due to dry-run\e[0m"
 100                         continue
 101                 fi
 102                 git -C ${REPO} pull
 103         fi
 104
 105 done