Process for removing a git submodule and merging the history back into the parent repo

remove_submodule.sh

#!/bin/bash

# Gratitude: https://stackoverflow.com/questions/1759587/how-to-un-submodule-a-git-submodule

origin=submodule_origin
url=git://url/to/submodule/origin
path=submodule_path

echo "git remote add $origin $url"
echo "git fetch $origin"
echo "git merge -s ours --no-commit --allow-unrelated-histories $origin/master"
echo "git rm --cached $path"

echo "-- GO AHEAD REMOVE FROM THE SUBMODULE FILE --"
echo "git add .gitmodules"
echo "rm -rf $path/.git"
echo "git add $path"
echo "git commit"
echo "git push"