really basic script to backup a ouple of git-repos , for instance to put in cron or rsnapshot or similar

git repo-backup.sh

#!/bin/bash
##host
githost="git@mitharas.de"
#----------

# get list of repos using git gl-info from https://cnlpete@github.com/cnlpete/gitolite-tools.git
#install git ls-info
curdir=`pwd`
cd /tmp
#git clone https://cnlpete@github.com/cnlpete/gitolite-tools.git gitolite-tools
#cd gitolite-tools
#make && sudo make install
cd $curdir

repos=`git gl-info ${githost} | awk '/.*R.*\w+/ {print $NF}' | tr -d '\r'`
for line in ${repos}
do
  echo ${line}
  if [ ! -d ${line}.git ]; then
    mkdir ${line}.git
    git clone --mirror -q ${githost}:${line} ${line}.git > /dev/null
  fi
  cd ${line}.git
  git remote update > /dev/null
  cd ..
done