subtree example

subtree.sh

#Remove submodule
git submodule deinit ocv-raml
git rm ocv-raml

#Add new remote repository with specification
git remote add -f ocv-raml https://github.com/ThomasCookOnline/ocv-raml.git
#Copy paste all commits from spec to our repository
git read-tree --prefix=ocv-raml/ -u ocv-raml/master
#Commit new commits
git commit -m "Replace ocv-raml submodule by subtree"

#This command will be used for every update
git pull -s subtree ocv-raml master