notes12.txt

Submodules
    #Sharing Libraries

#a git repor inside a git repo

#add submodule git repo to current git repo
    git submodule add git@example.com:css.git

#creates
    .gitmodules     #config for Submodules
    css/            #new directory/Submodule itself

#Modifying Submodule Code
    cd css/
    git checkout master #checkout submodule branch
    #make changes
    git status
    git commit -am "update menu font."  #commit to submodule master branch
    git push    #push to submodule origin repo branch

    cd ..   #go back to main git repo
    git status
    git add css #add changes to css submodule 
    git commit -m "update menu font in css/"    #commit
    git push    #push

#Cloning Projects
    git clone git@example.com:aquarium.git
        #creates .gitmodules clownfish.html guppy.html index.html css/ js/
            #both css/ & js/ are empty directories
    git submodule init #Submodule init
    git submodule update    #pulls down repo code files


#Make changes to CSS Submodule
    cd css
    git status
    git checkout master
    git add example.css
    git commit -m "update menu font"

#Pushing submodules DON'T FORGET!
    git push --recurse-submodules=check #checks to make sure submodules were pushed. Will abort if not
    git push --recurse-submodules=on-demand #will automatically push for the submodule if parent is being pushed
        #make this a git alias
        git config alias.pushall "push --recurse-submodules=on-demand"