git: Add git-pull-all

diff --git a/git/git-pull-all b/git/git-pull-all
new file mode 100755 (executable)
index 0000000..521c26c
--- /dev/null
+++ b/git/git-pull-all
@@ -0,0 +1,85 @@
+#!/bin/sh
+
+# A script to recursively pull git repositories behind origin.
+
+# Copyright (c) 2022 Stefan Huber
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
+# conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+set -e
+set -u
+
+function showHelp
+{
+       echo "Usage: $0 [-h|--help]"
+       echo "       $0 [OPTIONS]"
+       echo ""
+       echo "OPTIONS:"
+       echo "  -a, --ask          ask user for each repo"
+       echo "  -h, --help         show this message"
+       echo "  -n, --dry-run      do not actually perform pull"
+}
+
+if ! options=$(getopt -u -o ahn -l ask,help,dry-run -- "$@"); then
+       showHelp >&2
+       exit 1
+fi
+set -- $options
+
+optDryRun=0
+optAsk=0
+
+#Parse the arguments
+while [ $# -gt 0 ]; do
+       case "$1" in
+               -h|--help) showHelp; exit 0 ;;
+               -n|--dry-run) optDryRun=1 ;;
+               -a|--ask) optAsk=1 ;;
+               --) shift; break ;;
+               -*) echo "Unrecognized option $1" >&2; showHelp >&2; exit 1 ;;
+               *) break ;;
+       esac
+       shift
+done
+
+for REPODIR in $(find "$@" -name .git -type d 2> /dev/null); do
+
+       REPO=$(dirname ${REPODIR})
+       echo "Run ${REPO}…"
+
+       if [ "${optAsk}" = 1 ]; then
+               read -p "  Process [y/N]? " -n1  response
+               echo ""
+
+               [ "${response}" = "y" ] || continue
+       fi
+
+       git -C ${REPO} remote update
+
+       if [ -z "$(git -C ${REPO} status -uno | grep 'Your branch is behind')" ] ; then
+               echo -e "\e[1;32m Already up to date\e[0m"
+       else
+               [ "${optDryRun}" = 1 ] && continue
+               git -C ${REPO} pull
+       fi
+
+done