git synch

gistfile1.txt

# Clear the folder first - please use this carefully
rm -rf $REPO_NAME  
# clone the reposotory
git clone --bare $ORIGIN_URL

# add a remote repository
cd $REPO_NAME
git remote add --mirror=fetch repo1 $REPO1_URL

# update the local copy from the first repository
git fetch origin --tags

# update the local copy with the second repository
git fetch repo1 --tags

# sync back the 2 repositories
git push origin --all
git push origin --tags