#
# Moves a Git submodule.
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
if ! is-true "$(git rev-parse --is-inside-work-tree 2> /dev/null)"; then
print "${0}: not a repository work tree: ${PWD}" >&2
return 1
elif [[ "${PWD}" != "$(git-root)" ]]; then
print "${0}: must be run from the root of the work tree" >&2
fi
local src="${1}"
local dst="${2}"
local url
url="$(git config --file "$(git-root)/.gitmodules" --get "submodule.${src}.url")"
if [[ -z "${url}" ]]; then
print "${0}: submodule not found: ${src}" >&2
mkdir -p "${dst:h}"
git-submodule-remove "${src}"
git submodule add "${url}" "${dst}"
return 0