# vim:et sts=2 sw=2 ft=zsh
local git_dir
git_dir=$(git-dir) || return 1

if [[ ${PWD} != $(git-root) ]]; then
  print "${0}: must be run from the root of the work tree" >&2
  return 1
elif ! command git config --file .gitmodules --get "submodule.${1}.path" &>/dev/null; then
  print "${0}: submodule not found: ${1}" >&2
  return 1
fi

command git config --file "${git_dir}/config" --remove-section "submodule.${1}" &>/dev/null
command git config --file .gitmodules --remove-section "submodule.${1}" &>/dev/null
command git add .gitmodules

command git rm --cached "${1}" &>/dev/null
rm -rf "${1}"
rm -rf "${git_dir}/modules/${1}"

return 0