#!/usr/bin/env bash

submodule=$1

test -z $submodule && echo "submodule required" 1>&2 && exit 1
test ! -f .gitmodules && echo ".gitmodules file not found" 1>&2 && exit 2

NAME=$(echo $submodule | sed 's/\/$//g')
test -z $(git config --file=.gitmodules submodule.$NAME.url) && echo "submodule not found" 1>&2 && exit 3

git submodule deinit $NAME
git rm --cached $NAME
rm -rf .git/modules/$NAME