git submodule 좋은듯 하면서 조금은 불편하네...

init

http://git-scm.com/book/ko/v1/Git-도구-서브모듈

// add
git submodule add git://github.com/chneukirchen/rack.git rack

// init
git submodule init

pull

http://stackoverflow.com/questions/1030169/easy-way-pull-latest-of-all-submodules

// git 1.6.1+
git submodule foreach git pull

// git 1.7.3+
git pull --recurse-submodules
// or
git submodule update --recursive

remove

http://stackoverflow.com/questions/1260748/how-do-i-remove-a-git-submodule

1. Delete the relevant section from the .gitmodules file.
2. Stage the .gitmodules changes git add .gitmodules
3. Delete the relevant section from .git/config.
4. Run git rm --cached path_to_submodule (no trailing slash).
5. Run rm -rf .git/modules/path_to_submodule
6. Commit git commit -m "Removed submodule <name>"
7. Delete the now untracked submodule files
   rm -rf path_to_submodule