Cut up a git repo into smaller repos

cut-up-git-repos.sh

# clone url of current repo
curremote="git@github.com:xyz/123.git"
newremote="ssh://git@git.xyz.com/123.git"
# new cloned directory of current repo - doesn't matter the name
newdirname="my-new-agent-repo"
# original directory of files in current repo
keepdir="my-current-agent"
# clone and checkout branches
#git clone --mirror $curremote $newdirname
git clone $curremote $newdirname
cd $newdirname
# checkout branches
git checkout origin/rc -b rc
git checkout origin/dev -b dev
# remove original remote to github
git remote rm origin
# remove all history except for the directory to keep - command takes a while
git filter-branch -f --subdirectory-filter $keepdir -- --all
# add new remote
git remote add origin $newremote
# push up branches
git push --all
git push --tags