Based on https://github.com/mathiasbynens/dotfiles
git clone https://github.com/hannseman/dotfiles.git && cd dotfiles && source bootstrap.shSave env vars, etc in a .extra file, that looks something like this:
###
### Git credentials
###
GIT_AUTHOR_NAME="Your Name"
GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
git config --global user.name "$GIT_AUTHOR_NAME"
GIT_AUTHOR_EMAIL="[email protected]"
GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"
git config --global user.email "$GIT_AUTHOR_EMAIL"
GH_USER="nickname"
git config --global github.user "$GH_USER"