#!/bin/ash -efu

git submodule init
git submodule status | cut -d' ' -f2 |
while read path; do
	url="$(git config --get "submodule.$path.url")"
	git remote add -f "$path" "$url"
	git merge -s ours --no-commit "$path"/master
	git read-tree --prefix="$path" -u "$path"/master
	git commit -m "Merge '$path' as our subdirectory"
	git config --remove-section "submodule.$path"
done